{"app_store_id":1672644102,"slug":"king-of-fm-2-dx-synth-e-piano-1672644102","name":"King of FM 2: DX Synth/E Piano","subtitle":"#1 DX7 Sounds & Electric Piano","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/c4/85/fa/c485fade-c8ee-1891-411a-00bd9265fd26/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/king-of-fm-2-dx-synth-e-piano/id1672644102?uo=4","price":0,"currency":"USD","rating":4.883,"rating_count":1889,"in_app_purchases":false,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Music","version_date":"2026-10-18T17:22:13Z","updated_at":"2026-10-24T04:14:13.092Z","stale":false,"missing_since":null,"one_liner":"Free FM synth app with 300+ presets inspired by 80s DX7 and SY77 sounds, usable standalone or as a plugin.","verified_maker":false,"maker_site":null,"file_size_bytes":380991488,"minimum_os":"15.0","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/65/06/72/650672e8-a122-be84-9c16-dfd9a9c46eea/4576b08a-efd1-443a-9655-0f28d4694fb7_Simulator_Screenshot_-_iPhone_8_Plus_-_2023-04-21_at_14.48.59.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/85/fe/67/85fe67ac-51d6-b760-d4e5-a2b68c0e5871/fb46f3f4-ab5b-4540-a393-34ed112afef9_Simulator_Screenshot_-_iPhone_8_Plus_-_2023-04-21_at_14.49.30.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/77/70/d3/7770d339-f3da-69b6-cbf8-8ebfe0454bed/1c34412b-152c-4dca-a74b-24f1578da240_Simulator_Screenshot_-_iPhone_8_Plus_-_2023-04-21_at_14.50.55.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/10/00/31/10003133-77a9-336b-68de-0525a3aff9b5/c916f2db-05e4-4e3c-990e-92259253a9c5_Simulator_Screenshot_-_iPhone_8_Plus_-_2023-04-21_at_14.49.55.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/db/61/89/db6189ea-e63f-c942-eddb-7347ef4cfa88/1f4b8c45-fdba-48a1-99b2-144f0a3eecbe_Simulator_Screenshot_-_iPhone_8_Plus_-_2023-04-21_at_14.49.46.png/406x228bb.png"],"developer_name":"AudioKit Pro, LLC","editors_choice":false,"url":"https://apptierlist.com/apps/king-of-fm-2-dx-synth-e-piano-1672644102/","api_url":"https://apptierlist.com/api/v1/apps/king-of-fm-2-dx-synth-e-piano-1672644102","schema_version":"1.0","generated_at":"2026-10-24T09:03:44.988Z","data_as_of":"2026-10-24T04:27:12.861Z","description":"Classic & New presets, inspired by retro 80s FM Synthesizers used on countless hits! \nIt's like getting a DX7 & SY77 in the palm of your hand.\nThis is a FREE Premium app: No ads. No subscriptions. \nFull app, Everything is included!\n\nINCLUDES 300+ UNIQUE AND LAYERED SYNTH INSTRUMENT SOUNDS!\nPLUS, Includes sounds from FM Player (This app is the NEW Version of FM Player 2)\n\nThis app contains Analog Matthew's exclusive “Holy Grail” DX7 samples used by Herbie Hancock in the studio. Plus, this app is used by producers for Sting, Jay-Z, Alicia Keys, John Legend, and more!\n\n\"Dope! It's in my bag for every session\" - Henny tha Bizness, Grammy-winning Producer\n“Sounds authentically like the original hardware” – Electronic Musician magazine\n\"Proves the iPad can be a great sounding, viable synth.” – MATRIXSYNTH.com\n\n\"KING OF FM is possibly the BEST FREE iOS MUSIC APP, EVER!\" - The GarageBand Guide\n\nPROFESSIONAL! This app can be used as a live instrument controlled with a MIDI Keyboard. \nEXPRESSIVE! The main \"E Piano\" and \"Full Tines\" sounds have 20+ layers for maximum expressiveness.\nPlaying live with keyboard supports MIDI Mod Wheel, Pitch Wheel, Program Change, Velocity sensitive sounds, and Sustain Pedal support – All included!\n\n“This app filled my eyes with tears when I first played through the sounds. It brought back memories of my youth, I was transported to a time when anything and everything was possible.” - A grateful musician\n\nAWESOME FEATURES:\n• Standalone iPhone/iPad & Mac app & Plus iOS & Mac AUv3 Plugin\n• Over 300+ Presets and over 10,000+ individual samples to inspire you\n• FX: Phaser, Chorus, Reverb, Ping-pong delay, Crush, Stereo Fatten, and more!\n• Compact! Over 2+ gigabytes of sounds compressed to under 400 mb\n• Audio recording: Record your sounds then export wav files! No other apps needed\n• Use as an iOS Plug-in in hosts like GarageBand, AUM, Cubasis, Beatmaker 3, and more\n• Use as a Mac Plug-in in hosts like Ableton, Logic, GarageBand and more\n• MICROTONALITY, World and Western scales all included\n• Includes full lifetime license for both iPhone, iPad, and Intel &Silicon Mac\n\n*** We are all volunteers, we do not get paid anything to make this app. We would be humbled if you checked it out. 100% of any proceeds from other apps go to support the AudioKit open-source project ***\n\nMake some music, and share it. Tag us. We want to hear YOU!\n\nLEARN MORE:\naudiokitpro.com/kingfm\n\nKING OF FM is the reboot of FM Player. For the first time, these award-winning sounds are available for iPhone & Mac. It’s no longer the sound of the past. These sounds are being used on hit records now. This app is the sound of TODAY!\n\n• ACCESSIBILITY!\nMajor accessibility improvements have been added throughout the app to make KING OF FM a much more enjoyable instrument for blind and visually impaired musicians.\nThis is an area we care deeply about, and we'll continue improving it.\n\n** This app has no official affiliation with Yamaha or the DX7, DX7II, or SY77. \nKING OF FM is a free project to bring the joy of music-making to the world. We appreciate Yamaha's beautiful instruments.\n\n** This app has no official endorsement with any artist or producer named in the description (including Herbie Hancock, Jay-Z, Drake, etc). We are humbled they have used our apps. They have received no payment or otherwise compensation for using our apps. :)","facts":{"developer_id":1307785645,"developer_url":"https://audiokitpro.com/kingfm","first_released":"2023-05-02T07:00:00Z","support_url":"https://audiokitpro.com/kingfm","privacy_url":"https://audiokitpro.com/privacy-policy/","website_url":"https://audiokitpro.com/kingfm","app_version":"2.0.2","release_notes":"Thanks everyone! Quick fixes to improve background battery usage and other improvements","rating_current_version":4.883,"rating_count_current_version":1889,"star_counts":[10,7,31,98,1743],"genres":["Music","Education"],"languages":["EN"],"content_advisories":null,"device_families":["mac","iphone","ipad","ipod"],"made_for_iphone_duo":false,"chart":null},"freshness":{"apple_read_at":"2026-10-24T04:14:13.092Z","catalog_read_at":"2026-10-24T04:14:13.092Z","reviews_checked_at":null,"summary_written_at":"2026-10-22T01:11:14.942Z","placed_at":"2026-10-22T01:02:13.025Z","scored_at":"2026-10-24T04:27:12.861Z"},"editorial":{"one_liner":"Free FM synth app with 300+ presets inspired by 80s DX7 and SY77 sounds, usable standalone or as a plugin.","what_is":"King of FM 2: DX Synth/E Piano is a music app for iPhone, iPad and Mac that provides FM synthesizer sounds inspired by the DX7 and SY77. It includes over 300 presets, effects such as chorus, reverb and ping-pong delay, and audio recording with WAV export. It runs as a standalone app or as an AUv3 plugin in host apps such as GarageBand, AUM and Cubasis.","good_for":["Playing FM synth sounds live from a MIDI keyboard","Adding FM electric piano or synth layers in a DAW","Recording sounds and exporting them as WAV files"],"pricing":"King of FM 2: DX Synth/E Piano is free, with no in-app purchases on the App Store.","faq":[{"q":"Does it run on Mac?","a":"Yes. The listing describes a standalone Mac app and a Mac AUv3 plugin usable in hosts such as Ableton, Logic and GarageBand."},{"q":"Does it support MIDI controllers?","a":"It can be played live with a MIDI keyboard, with support for mod wheel, pitch wheel, program change, velocity sensitivity and sustain pedal."},{"q":"Is it affiliated with Yamaha?","a":"No. It has no official affiliation with Yamaha or the DX7, DX7II or SY77."}],"model":"claude-haiku-5-5","created_at":"2026-10-22T01:11:14.942Z"},"memberships":[{"list":"piano-playing","list_name":"piano playing","list_status":"active","list_url":"https://apptierlist.com/best/piano-playing/","position":10,"tier":"B","score":78.5,"components":{"rating":97.8,"votes":73.5,"rank":42.8,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-22T01:02:13.025Z"}],"main_list":"piano-playing","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":192094,"at":"2026-10-22T01:11:14.942Z","kind":"tier_changed","list":"piano-playing","app_store_id":1672644102,"app":"king-of-fm-2-dx-synth-e-piano-1672644102","from":null,"to":"B","reason":"score 78.7","job":"rescore"},{"id":191996,"at":"2026-10-22T01:02:13.025Z","kind":"membership_added","list":"piano-playing","app_store_id":1672644102,"app":"king-of-fm-2-dx-synth-e-piano-1672644102","from":null,"to":"active","reason":"Its main E Piano and Full Tines sounds have 20+ layers and are played live from a MIDI keyboard. It is marketed as an electric piano and a DX7-style keyboard in","job":"shadow"},{"id":181528,"at":"2026-10-20T02:10:11.588Z","kind":"app_added","list":null,"app_store_id":1672644102,"app":"king-of-fm-2-dx-synth-e-piano-1672644102","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":"piano-playing","list_name":"piano playing","status":"active","review_status":"checked","position":10,"tier":"B","score":78.5,"components":{"rating":97.8,"votes":73.5,"rank":42.8,"recency":100},"ranks":[{"country":"de","rank":47}],"verdicts":[{"verdict":"keep","reason":"Its main E Piano and Full Tines sounds have 20+ layers and are played live from a MIDI keyboard. It is marketed as an electric piano and a DX7-style keyboard in","verifier":"claude-sonnet-5-5","decided_at":"2026-10-22T01:02:13.025Z","attempts":1,"current":true},{"verdict":"keep","reason":"A playable on-screen keyboard instrument centered on electric piano and synth keyboard sounds. It is a dedicated keyboard app rather than a general music maker, so people looking to play a keyboard on their phone would plausibly compare it.","verifier":"list check","decided_at":"2026-10-22T01:02:13.025Z","attempts":1,"current":true}]}]},"data_version":42669,"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/king-of-fm-2-dx-synth-e-piano-1672644102/"}}