AudioKit Synth One Synthesizer 1.9.2 - App Store

---

About AudioKit Synth One Synthesizer

“A big step forward for mobile music” - CDM (Create Digital Music) "Groundbreaking iOS synth app" - Cult of Mac "Must-download for every iPad owner" - MacBreak *** "2018 App of the Year, Runner up" - Stuff.tv *** ***...

“A big step forward for mobile music” - CDM (Create Digital Music) "Groundbreaking iOS synth app" - Cult of Mac "Must-download for every iPad owner" - MacBreak *** "2018 App of the Year, Runner up" - Stuff.tv *** *** “Best iOS Music Apps of 2018” - Cult of Mac *** *** “Best of 2018: iOS Apps for Musicians” - Ask.Audio *** "AudioKit Synth One is a free feature-packed synth for your iPad, including 300+ presets created by professional sound designers behind M83, Tycho, and Rihanna" - Engadget *** “Best Music Apps of 2018” - Music Radar *** LEARN OUR INCREDIBLE STORY: Audiokitpro.com/synth *** Optimized for newer iPads & iPhones for best performance. Note: Requires iPhone 6 or higher screen size. App will not work on older iPhone 5/SE/Touch devices "A Stunning Endeavor... Sounds Amazing!" - Francis Preve, Electronic Musician Magazine “Amazing & Brilliant... Sounds fantastic!” - The Sound Test Room "A great example of human endeavor" - Gaz Williams, Sonic State "Sounds amazing... the start of something huge." - Ask.Audio AudioKit Synth One is the first completely free & open-source professional iOS Synthesizer app in history. No Ads. No IAP. It will always be free. "Powerful... Awesome" - Synthtopia.com "An amazing synth app for your iPad that’s as close to sorcery as it gets" - GarageBand Guide "Must Have iOS Synthesizer" - Synth Anatomy "Synth One is a robust piece of free software" - The Verge "It WOWS you... immediately fun to start tweaking!" - discchord "A damn fine synth" - Computer Music Magazine "Open-source and seriously powerful" - Future Music Magazine "A labour of love that everyone can enjoy" - Music Radar "Extremely exciting passion project" - Music Tech Magazine "Make your own imposing synthesizer sounds and teach yourself the basics of music production" - Lifehacker Learn more: audiokitpro.com/synth Created by over 100+ volunteers around the world (including sound designers for M83, Rihanna, Kanye West, Neon Trees, Mike Posner, Tycho, and more), this app includes MIDI support (play it with a MIDI keyboard or controller), sequencer, vintage-inspired analog filters, expressive arpeggiators, warm analog delays, and, over 300+ presets to get you started! Email us your music & bugs: hello@audiokitpro.com SYNTH ONE FEATURES: This synthesizer is completely free, fully functional, and ad-free. There are no IAP or anything to buy -- It’s the ultimate free iPad music instrument app! . Hybrid Analog/FM Poly Synthesizer . Over 300+ Presets crafted by famous sound designers . Audiobus 3 & Inter-app Audio (IAA) . Ableton Link . Five Oscillators (2 DCO, FM, Sub, Noise) . 2 LFOs with over a dozen routing possibilities . Vintage-Style 16-Step Sequencer . Classic poly arpeggiator . MIDI in (Control with a MIDI Keyboard or AudioBus/IAA) . Touchable ADSR Envelopes for Amp & Filter . FM Oscillator w/ Mod . Mono glide and legato . Dedicated Sine/Square -12/24 Sub Osc . 4-Pole Vintage Low-Pass Filter . High-Pass/Band Pass Filters . Beautiful Costello Reverb . Multi-tap (ping-pong) delay . TouchPads . Preset & Bank Import/Export & More... BONUS: Full Source code is now available! AudiokitPro.com/Synth Plus, it’s completely open-source. Use the code to learn how to build your own synth app or modify the app yourself! OFFICIAL VIDEO: https://youtu.be/hwDNgCYowYs "Amazing noises that will make your ears squee with glee" - Stuff Magazine "Pick of the Week" - MacBreak On the roadmap: . MPE Support (Play w/ a Roli Seaboard) . AUv3 Plug-in support

Version History Thanks Everyone! NEW SOUNDS: ++ NEW: Wabi Sabi Waves preset Bank Sound Designer Taeo has generously donated 170 presets You can support his work at https://wabisabiwaves.gumroad.com/ ++ Fixes Bluetooth MIDI Popup 1.9.2 Jan 22 Thanks Everyone! Synth One will always be FREE! No ads, no fees, no subscriptions. Just download and play. ++ Fixed: Bonus presets won't be re-added if you already have them ++ Fixed: If you were seeing duplicate presets in Bank A, those will now be cleaned up automatically PLUS, INCLUDES 1.9 UPDATE: ∙ The 80+ "Bonus" presets in Bank A are now unlocked for all users, no email required! (135 total presets in Bank A. Previously available only to users who signed up by email) ∙ Removed all requests for email sign-up, app reviews, and sharing. Provides a cleaner, distraction-free experience ∙ Optimized! Takes 30% less space. Streamlined the app for a smaller, more efficient size! ∙ Updated codebase to use modern Swift and the latest version of Xcode for improved stability and long-term support ∙ Removed outdated third-party libraries, including OneSignal, AppCenter, and MailChimp We appreciate everyone in the Synth One community. Enjoy making music! – Analog Matthew and rest of Synth One team 1.9.1 07/09/2025 Thanks everyone! Synth One and Synth One J6 will always be free. No ads, no fees, no subscriptions. Just download and play. NEW UPDATE, Thanks to Analog Matthew: ∙ The 80+ "Bonus" presets in Bank A are now unlocked for all users, no email required! (135 total presets in Bank A. Previously available only to users who signed up by email) ∙ Removed all requests for email sign-up, app reviews, and sharing. Provides a cleaner, distraction-free experience ∙ Optimized! Takes 30% less space. Streamlined the app for a smaller, more efficient size! ∙ Updated codebase to use modern Swift and the latest version of Xcode for improved stability and long-term support ∙ Removed outdated third-party libraries, including OneSignal, AppCenter, and MailChimp We appreciate everyone in the Synth One community. Enjoy making music! – Analog Matthew and rest of Synth One team 1.9 07/01/2025 THANKS! FREE Learning Synthesis & Synth One manual in this update! + Full Free Synth Tutorial iBook by award-winning sound designer Francis Preve + Preset bank called "Synth Tutorials" are a companion to that book + We are all volunteer musicians & coders. Thanks for your help! + Download is in the "About" page. Or you can find it on the Books app and iTunes: http://books.apple.com/us/book/id1544368523 Please note that we all are volunteers. We are all musician/developers who love making apps. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.8.1 04/02/2021 THANKS! New PRESETS in this update: + New bank of 42 presets called "Synth Tutorials" by Francis Preve + Full Free Synth One Tutorial iBook coming soon, these presets are a companion to that book + We are all volunteer musicians & coders. Thanks for your help! Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.8 11/15/2020 THANKS EVERYONE! New update! + We are still working on Synth One + Updates for the next iOS version. + We are all volunteer musicians & coders. Thanks for your help! Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.7.1 09/01/2020 THANKS EVERYONE! New update! + Backwards compatible to iOS 10.3 + Also, we made a free app called AudioKit Retro Piano - It's completely Free for you! :) + We are all volunteer musicians & coders. Thanks for your help! + Special thanks to volunteers coder Marcus Hobbs & Matthias Frick who added most of these features! Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.7 06/17/2020 THANKS EVERYONE! Hope you're staying creative and healthy, + Updates for latest iOS + Also, we made a free app called AudioKit Retro Piano - It's completely Free for you! :) + We are all volunteer musicians & coders. Thanks for your help! + Special thanks to volunteers coder Marcus Hobbs & Matthias Frick who added most of these features! Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.6.1 06/14/2020 HEY EVERYONE! Thanks for being super awesome! NEW STUFF: + Do you have to pound your midi keyboard to get a note to play loudly? Do you barely press a key and have it play too loud? Well now you can adjust S1's sensitivity to MIDI Velocity in the Settings pop-over. Enable “Velocity-sensitive MIDI” and adjust the sensitivity knob to make your performance as expressive as possible for your keyboard. Also great with ROLI keyboards. + Fixed a bug that broke reordering your presets + Fixed a bug that hid the text of the name when saving presets. + Playing the Arp in down mode now plays keys in the order pressed (thanks to Francis Preve for this idea) + We are all volunteer musicians & coders. Thanks for your help! + Special thanks to volunteer coder Marcus Hobbs who added most of these features! Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.6 02/15/2020 THANKS FOR THE NOTES! Quick fix: + Fixes Ableton Link in iPhone & iPad version + We've heard your friendly emails, and we're going to add IAA / Audiobus support back to D1 and FM2 in their next updates. We're still improving AudioKit apps for you! + We are all volunteer musicians & coders. Thanks for your help! Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. The more people that know about the apps, the more musicians can enjoy them! Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.5.1 01/21/2020 YOU'RE AWESOME! New updates: + Inter-app Audio is fixed! (Use Synth One in GarageBand and other hosts) + Master tuning is fixed (Like A 432 tuning? You got it!) + Several misc fixes and updates! + We've heard your friendly emails, and we're going to add IAA / Audiobus support back to D1 and FM2 in their next updates. We're still improving AudioKit apps for you! + We are all volunteer musicians & coders. Thanks for your help! Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. The more people that know about the apps, the more musicians can enjoy them! Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.5 01/14/2020 AMAZING! Thank you. New Feature: + YOU CAN NOW RECORD IN THE APP!!! There's a new record button on the main screen. Thanks to Matthias Frick for leading this development. Use it to record your musical creations and export them. :) + We are all volunteer musicians & coders. Thank you for your help! + BTW, you can also record Synth One in GarageBand using Inter-app Audio (IAA) Synth one is getting better every day! That's the power of open-source. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. The more people that know about the apps, the more musicians can enjoy them! Tell one musician you care about. That's all it takes. Together we can change the world. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.4 12/03/2019 YOU ARE AWESOME! We are always improving Synth One for you :) + Fixes MIDI Channel In, Great when playing Synth One in a live setting! + Fixes Ableton Link in iOS 13/iPadOS + We are all volunteer musicians & coders. Thank you for your help! Plus, 1.3 updates: + Fixes startup crashes. This update should fix iOS 13 for most everyone + If it is still crashing after downloading, please restart your phone or iPad. NOTE: If you're having trouble loading Synth One in Audiobus, start Synth One before adding it with AudioBus. Previous 1.2.x fixes: + MIDI Input fixed for External Controllers & IAA + ICYMI : Dark Mode support. Welcome to the dark side - Synth One now supports Dark Mode. Just go to "Keys" and set the appearance to "System" and Synth One will follow you through the darkest of times. The night is calling. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.3.1 10/31/2019 THANKS! We're fixing more and more! Synth One :) + Fixes more startup crashes. This update should fix iOS 13 for most everyone + If it is still crashing after downloading, please restart your phone or iPad. + Thank you for your support and help! NOTE: If you're having trouble loading Synth One in Audiobus, start Synth One before adding it with AudioBus. Previous 1.2.x fixes: + MIDI Input fixed for External Controllers & IAA + ICYMI : Dark Mode support. Welcome to the dark side - Synth One now supports Dark Mode. Just go to "Keys" and set the appearance to "System" and Synth One will follow you through the darkest of times. The night is calling. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.3.0 10/27/2019 Thanks for your wonderful support! We're always improving Synth One :) + Fix crashing when starting Synth One on certain iOS 13 devices + If it is still crashing after downloading, please restart your phone or iPad. + Thank you for your support and help! NOTE: If you're having trouble loading Synth One in Audiobus, start Synth One before adding it with AudioBus. Previous 1.2.x fixes: + MIDI Input fixed for External Controllers & IAA + ICYMI : Dark Mode support. Welcome to the dark side - Synth One now supports Dark Mode. Just go to "Keys" and set the appearance to "System" and Synth One will follow you through the darkest of times. The night is calling. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.2.3 10/26/2019 Thanks everyone, We're always improving Synth One! + MIDI Input fixed for External Controllers & IAA + Stability fixes for iOS 13/iPadOS + We understand there still some device configurations that cause Synth One to crash on open in iPadOS, we're currently working on it. Thank you for your support and help! + ICYMI : Dark Mode support. Welcome to the dark side - Synth One now supports Dark Mode. Just go to "Keys" and set the appearance to "System" and Synth One will follow you through the darkest of times. The night is calling. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.2.2 10/24/2019 Thanks Everyone! You're INCREDIBLE. We're always improving Synth One! + Updates for iOS 13 & iPad OS + Plus Light & Dark Mode support. Welcome to the dark side - Synth One now supports Dark Mode. Just go to "Keys" and set the appearance to "System" and Synth One will follow you through the darkest of times. The night is calling. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.2.1 10/22/2019 Thanks Everyone! You're Awesome. We're always improving Synth One! + NEW Free Preset Bank by Spidericemidas. AWESOME FREE BANK! + Done button added to popups for Ableton Link, Bluetooth, and Send Email + Updates for future versions of iOS Thanks to all of you for spreading the word, making presets, and donating your time to make this app. For musicians, by musicians. AudioKit Synth One! In case you missed it – Version 1.1 Adds new keyboard! + NEW microtonal keyboard mode: Key colors match pitch wheel colors on "Tune" panel for intuitive performance + Marcus Hobbs has blessed you all with a microtonal keyboard that transports you to ultraharmonic dimesions Go to the "Keys" button above the keyboard, and choose the "microtonal" keyboard. + Tons of other fixes and improvements. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.2 09/12/2019 Thanks everyone! We're always improving Synth One for you! Quick fixes: + Fixes Synth One from crashing on load on some iPhones + Ableton Link fixed yesterday In case you missed it – Version 1.1 Adds new keyboard! + NEW microtonal keyboard mode: Key colors match pitch wheel colors on "Tune" panel for intuitive performance + Marcus Hobbs has blessed you all with a microtonal keyboard that transports you to ultraharmonic dimesions Go to the "Keys" button above the keyboard, and choose the "microtonal" keyboard. + Tons of other fixes and improvements. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.1.2 08/08/2019 Thanks everyone! We're always improving Synth One for you! Quick fix: + Ableton Link fixed in this build In case you missed it – Version 1.1 Adds new keyboard! + NEW microtonal keyboard mode: Key colors match pitch wheel colors on "Tune" panel for intuitive performance + Marcus Hobbs has blessed you all with a microtonal keyboard that transports you to ultraharmonic dimesions Go to the "Keys" button above the keyboard, and choose the "microtonal" keyboard. + Tons of other fixes and improvements. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.1.1 08/07/2019 Thanks everyone! You're SUPER AMAZING! + NEW microtonal keyboard mode: Key colors match pitch wheel colors on "Tune" panel for intuitive performance + Marcus Hobbs has blessed you all with a microtonal keyboard that transports you to ultraharmonic dimesions Go to the "Keys" button above the keyboard, and choose the "microtonal" keyboard. + Tons of other fixes and improvements. Synth one is getting better every day! That's the power of open-source. Any help spreading the word about this app would be appreciated. The more people that know about the apps, the more musicians can enjoy them! Thank you! Share Once: Tell one musician you care about. That's all it takes. Together we can change the world. Go. Create. Share. -- Matthew & the AudioKit Team Please note that we all are volunteers. AudioKit does not have any sponsors or investors. We are all musician/developers who love making apps. We love hearing your music! Send it to us. For friendly conversation or to say hello, please email hello@audiokitpro.com The full & complete source code is available: https://github.com/AudioKit/AudioKitSynthOne 1.1.0 07/26/2019 THANKS EVERYONE! Here's even more bug fixes! We

---

Previous Versions

Here you can find the changelog of AudioKit Synth One Synthesizer since it was posted on our website on 2021-12-17 22:49:42. The latest version is 1.9.2 and it was updated on 2026-10-14 03:14:18. See below the changes in each version.

---

Related Apps

Here you can find apps that are similar with AudioKit Synth One Synthesizer.

---

Disclaimer