{"app_store_id":1371050497,"slug":"audiokit-synth-one-synthesizer-1371050497","name":"AudioKit Synth One Synthesizer","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/20/94/2a/20942aab-5265-fc1b-ea02-a434d5d77366/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/audiokit-synth-one-synthesizer/id1371050497?uo=4","price":0,"currency":"USD","rating":4.90919,"rating_count":26826,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":"2026-10-15T02:21:53.110Z","primary_genre":"Music","version_date":"2026-01-22T00:20:12Z","updated_at":"2026-10-16T06:27:51.815Z","stale":false,"missing_since":null,"one_liner":"A free iPad synthesizer app with hybrid analog and FM synthesis, a 16-step sequencer, arpeggiator, and MIDI input.","verified_maker":false,"maker_site":null,"file_size_bytes":35668992,"minimum_os":"13.0","content_rating":"4+","language_count":7,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/29/22/40/29224022-148e-3fb7-16a8-f2e92de2e81a/mzl.jvmiblok.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/25/b6/5b/25b65b51-0636-a9c8-ffa1-d49c90c9009f/mzl.jftnkoll.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/a0/e8/98/a0e898f0-e46c-caea-fa94-7bcdef177c61/mzl.aynwblmv.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/7c/7b/c2/7c7bc2b2-6025-934d-c9c9-0022f2f0b060/mzl.qvihwgpv.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/f3/16/12/f316123a-4512-79c8-69a9-b077320e473b/mzl.zfvskqly.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/1d/a8/28/1da828cc-239f-bf60-a2d4-84e313f8db50/mzl.ozwijhlu.png/406x228bb.png"],"developer_name":"AudioKit Pro, LLC","editors_choice":null,"url":"https://apptierlist.com/apps/audiokit-synth-one-synthesizer-1371050497/","api_url":"https://apptierlist.com/api/v1/apps/audiokit-synth-one-synthesizer-1371050497","schema_version":"1.0","generated_at":"2026-10-22T08:18:24.929Z","data_as_of":"2026-10-22T07:33:12.571Z","description":"“A big step forward for mobile music” - CDM (Create Digital Music)\n\"Groundbreaking iOS synth app\" - Cult of Mac\n\"Must-download for every iPad owner\" - MacBreak\n\n*** \"2018 App of the Year, Runner up\" – Stuff.tv ***\n*** “Best iOS Music Apps of 2018” – Cult of Mac ***\n*** “Best of 2018: iOS Apps for Musicians” – Ask.Audio ***\n\n\"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\n\n*** “Best Music Apps of 2018” – Music Radar ***\n\nLEARN OUR INCREDIBLE STORY:\nAudiokitpro.com/synth\n\n*** Optimized for newer iPads & iPhones for best performance. \nNote: Requires iPhone 6 or higher screen size. App will not work on older iPhone 5/SE/Touch devices\n\n\"A Stunning Endeavor... Sounds Amazing!\" \n- Francis Preve, Electronic Musician Magazine\n\n“Amazing & Brilliant... Sounds fantastic!”\n– The Sound Test Room\n\n\"A great example of human endeavor\" \n- Gaz Williams, Sonic State\n\n\"Sounds amazing... the start of something huge.\" \n- Ask.Audio\n\nAudioKit Synth One is the first completely free & open-source professional iOS Synthesizer app in history. No Ads. No IAP. It will always be free.\n\n\"Powerful... Awesome\" - Synthtopia.com\n\"An amazing synth app for your iPad that’s as close to sorcery as it gets\" - GarageBand Guide\n\"Must Have iOS Synthesizer\" - Synth Anatomy\n\"Synth One is a robust piece of free software\" - The Verge\n\"It WOWS you... immediately fun to start tweaking!\" - discchord\n\"A damn fine synth\" - Computer Music Magazine\n\"Open-source and seriously powerful\" - Future Music Magazine\n\"A labour of love that everyone can enjoy\" - Music Radar\n\"Extremely exciting passion project\" - Music Tech Magazine\n\"Make your own imposing synthesizer sounds and teach yourself the basics of music production\" - Lifehacker\n\nLearn more: \naudiokitpro.com/synth\n\nCreated 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!\n\nEmail us your music & bugs: hello@audiokitpro.com\n\nSYNTH ONE FEATURES:\nThis 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!\n\n• Hybrid Analog/FM Poly Synthesizer\n• Over 300+ Presets crafted by famous sound designers\n• Audiobus 3 & Inter-app Audio (IAA)\n• Ableton Link\n• Five Oscillators (2 DCO, FM, Sub, Noise)\n• 2 LFOs with over a dozen routing possibilities\n• Vintage-Style 16-Step Sequencer\n• Classic poly arpeggiator\n• MIDI in (Control with a MIDI Keyboard or AudioBus/IAA)\n• Touchable ADSR Envelopes for Amp & Filter\n• FM Oscillator w/ Mod\n• Mono glide and legato\n• Dedicated Sine/Square -12/24 Sub Osc\n• 4-Pole Vintage Low-Pass Filter\n• High-Pass/Band Pass Filters\n• Beautiful Costello Reverb\n• Multi-tap (ping-pong) delay\n• TouchPads\n• Preset & Bank Import/Export & More...\n\nBONUS: Full Source code is now available!\nAudiokitPro.com/Synth\n\nPlus, it’s completely open-source. Use the code to learn how to build your own synth app or modify the app yourself!\n\nOFFICIAL VIDEO: https://youtu.be/hwDNgCYowYs\n\n\"Amazing noises that will make your ears squee with glee\" - Stuff Magazine\n\"Pick of the Week\" - MacBreak\n\nOn the roadmap:\n• MPE Support (Play w/ a Roli Seaboard)\n• AUv3 Plug-in support","facts":{"developer_id":1307785645,"developer_url":"http://audiokitpro.com/synth","first_released":"2018-07-07T18:11:14Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"1.9.2","release_notes":"Thanks Everyone! NEW SOUNDS:\n++ NEW: Wabi Sabi Waves preset Bank\nSound Designer Taeo has generously donated 170 presets\nYou can support his work at\nhttps://wabisabiwaves.gumroad.com/\n++ Fixes Bluetooth MIDI Popup","rating_current_version":4.90919,"rating_count_current_version":26826,"star_counts":null,"genres":["Music","Education"],"languages":["EN","FR","JA","PT","ZH","ZH","TR"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-16T06:27:51.815Z","catalog_read_at":null,"reviews_checked_at":"2026-10-15T02:21:53.110Z","summary_written_at":"2026-10-14T07:19:53.700Z","placed_at":"2026-10-14T02:49:49.158Z","scored_at":"2026-10-22T07:33:12.571Z"},"editorial":{"one_liner":"A free iPad synthesizer app with hybrid analog and FM synthesis, a 16-step sequencer, arpeggiator, and MIDI input.","what_is":"AudioKit Synth One is a synthesizer app for iPad in the Music genre, listed as free. The listing describes five oscillators, two LFOs, analog-style filters, ADSR envelopes, a 16-step sequencer, a poly arpeggiator, and over 300 presets. It also states MIDI input, Audiobus 3, Inter-app Audio, and Ableton Link support.","good_for":["Playing synth sounds on an iPad with a MIDI keyboard or controller","Sketching sequences and arpeggios with a 16-step sequencer","Learning basic sound design by editing oscillators, filters and envelopes"],"pricing":"AudioKit Synth One Synthesizer is free to download on the App Store.","faq":[{"q":"Does the app cost money or contain in-app purchases?","a":"The app is free, with no ads and no in-app purchases. It states that nothing needs to be bought to use its features."},{"q":"Which devices does it support?","a":"It is optimized for newer iPads and iPhones. It also says the app will not work on iPhone 5, SE, or iPod Touch devices, and requires an iPhone 6 or higher screen size."},{"q":"Can I connect my own MIDI keyboard or use it with other apps?","a":"Yes. The listing states MIDI in support for controlling the synth with a MIDI keyboard or controller, plus Audiobus 3 and Inter-app Audio (IAA) support."}],"model":"claude-haiku-5-5","created_at":"2026-10-14T07:19:53.700Z"},"memberships":[{"list":"music-creation","list_name":"music creation","list_status":"active","list_url":"https://apptierlist.com/best/music-creation/","position":58,"tier":null,"score":62.4,"components":{"rating":98.1,"votes":86.3,"rank":0,"recency":65.1},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-14T02:49:49.158Z"}],"main_list":null,"claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":142248,"at":"2026-10-17T05:38:13.391Z","kind":"tier_changed","list":"music-creation","app_store_id":1371050497,"app":"audiokit-synth-one-synthesizer-1371050497","from":"C","to":null,"reason":"rank shift: #43, below the tiered top 40","job":"rescore"},{"id":101711,"at":"2026-10-15T09:58:36.040Z","kind":"tier_changed","list":"music-creation","app_store_id":1371050497,"app":"audiokit-synth-one-synthesizer-1371050497","from":"D","to":"C","reason":"score 62.6 to 62.5","job":"rescore"},{"id":90835,"at":"2026-10-15T02:03:53.108Z","kind":"tier_changed","list":"music-creation","app_store_id":1371050497,"app":"audiokit-synth-one-synthesizer-1371050497","from":"C","to":"D","reason":"score 62.2 to 62.6","job":"rescore"},{"id":75330,"at":"2026-10-14T02:51:10.858Z","kind":"tier_changed","list":"music-creation","app_store_id":1371050497,"app":"audiokit-synth-one-synthesizer-1371050497","from":null,"to":"C","reason":"score 62.2","job":"rescore"},{"id":75192,"at":"2026-10-14T02:49:49.158Z","kind":"membership_added","list":"music-creation","app_store_id":1371050497,"app":"audiokit-synth-one-synthesizer-1371050497","from":null,"to":"active","reason":"placed by the category system","job":"shadow"},{"id":65334,"at":"2026-10-12T19:11:52.327Z","kind":"app_added","list":null,"app_store_id":1371050497,"app":"audiokit-synth-one-synthesizer-1371050497","from":null,"to":null,"reason":"discovered","job":"import"}],"explain":{"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"music-creation","list_name":"music creation","status":"active","review_status":"checked","position":58,"tier":null,"score":62.4,"components":{"rating":98.1,"votes":86.3,"rank":0,"recency":65.1},"ranks":[],"verdicts":[{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true}]}]},"data_version":40701,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/apps/audiokit-synth-one-synthesizer-1371050497/"}}