# FastMusic > Adjustable music and audiobook playback speed with background and repeat functions. (iPhone/iPad app by Kazutoshi Baba.) - Source: https://appshunter.io/ios/app/fastmusic/id578152469 (this page in markdown: same URL + `.md`) - Developer: [Kazutoshi Baba](https://appshunter.io/developer/578152472) - Category: Music, Education - Price: Free - Rating: 3.70/5 from 3 App Store ratings · 57 written reviews indexed - Age rating: 4+ - Requires: iOS 7.0 · 1 MB - Languages: American English, Japanese - Released: 2012-11-21 - Data updated: 2026-06-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/fastmusic/id578152469/reviews.md ## What is FastMusic? ### I redesigned all new design and operability. New FastMusic. ### --- What is FastMusic? --- FastMusic can be used to speed listening a Music. Freely change the speed of music on your iPod and easily play it back anytime, anywhere. This is particularly recommended for those who Language studies or often listen to audio books. --- Features --- ・ Speed listening (0.1X - 3.0X) ・ Playing in Background ・ Repeat Play ・ Shuffle Play ・ Sleep Timer ・ Audio Book support …and more various functions can let you enjoy music play. --- Notes --- This application cannot be used with DRM (digital rights management) protected files. Music which has been bought from the iTunes Store may be DRM protected. ## Key features - Adjustable playback speed (0.1x - 3.0x) - Background playback - Repeat play - Shuffle play - Sleep timer - Audiobook support ## Recent user reviews (10 of 57) All indexed reviews: https://appshunter.io/ios/app/fastmusic/id578152469/reviews.md ### 5/5 — 〜〜♪ *2023-11-12, version 2.3* 好きな曲をぴあのでひきたいから かったんやけど…！ けっこー便利んりん！ ### 1/5 — 期待外れ *2020-03-22, version 2.3* オーディオブックの再生が出来ません。 速聴再生を期待していたのにガッカリです。 ### 1/5 — 表示されない *2019-11-16, version 2.3* iOS12.4.2に更新したせいか使えません。1曲も表示されない…。 今まで活躍してもらっていたので、とても残念です。 ### 1/5 — 👎 *2019-07-15, version 2.3* Doesn’t work it won’t access my music library or any other source of music. ### 1/5 — 私もアイフォン 内の音楽取り入れれず真っ黒でしたiOS12 *2018-12-14, version 2.3* 私もアイフォン 内の音楽取り入れれず真っ黒でしたiOS12 ### 2/5 — iOS12.1で曲にアクセスできない *2018-11-01, version 2.3* プレイリスト、曲、オーディオブック全てが空白のままで開けませんでした。 ### 1/5 — シンプルで使い易いが… *2018-07-17, version 2.3* シンプルで使いやすいアプリだと思います。 しかし110%と100%の再生速度が同じです。改善していただけると助かります。 ### 4/5 — 使いやすいけど *2018-04-06, version 2.3* 使いやすいけどたまにアプリが落ちるの直して欲しいです ### 4/5 — タイマー使用後、ボリュームがオフになる *2018-02-28, version 2.3* 標準のミュージックプレーヤーより、遥かに使いやすい。倍速再生も容易なので、英会話教材などに便利。 残念なのは、タイマー使用後、ボリュームがオフになってしまい、スリーブタイマー設定だと、朝まで着信や通知に気付け無いので改善して欲しい。 ### 3/5 — 110%は100%と速さが同じ *2017-12-13, version 2.3* 110%は100%と速さが同じだった。他のアプリで110%が早く感じたので計測したら、110と100で差がなかった。1年以上たってからからの事実です。改善お願いします。あと、5%刻みで変更できると有難い。 ## Frequently asked questions about FastMusic ### What is FastMusic used for? FastMusic allows you to change the playback speed of your music and audiobooks, ranging from 0.1x to 3.0x. It also offers background playback, repeat play, shuffle, and a sleep timer for an enhanced listening experience. ### Can FastMusic play DRM-protected files? No, FastMusic cannot be used with DRM (digital rights management) protected files. Music purchased from the iTunes Store may be DRM protected and therefore incompatible. ### What devices does FastMusic support? FastMusic is available for iPhone and iPod devices. It is designed for iOS users who want more control over their audio playback. ### How often is FastMusic updated? The latest version of FastMusic is 2.3, which was last updated on October 6, 2014. Users can expect a stable experience with its current feature set. ### What is the user rating for FastMusic? FastMusic has a rating of 3.7 stars based on 3 ratings. This indicates a generally positive but mixed reception from its user base. ### Does FastMusic have ads? No, FastMusic does not contain advertisements. Users can enjoy an uninterrupted listening experience without any ad interruptions. ### Is FastMusic suitable for language learning? Yes, FastMusic is highly recommended for language studies. The ability to slow down or speed up audio content makes it an excellent tool for practicing pronunciation and comprehension. ### What are the main benefits of using FastMusic? The primary benefits include precise control over playback speed, background listening capabilities, and features like repeat and sleep timers. It's particularly useful for enhancing learning or enjoying audiobooks at a preferred pace. ## Version history (last 5 releases) ### 2.3 — 2014-10-06 This app has been updated by Apple to display the Apple Watch app icon. - bug fixes - iOS8 later support ### 2.2.1 — 2013-10-04 - Bug fixes ### 2.2 — 2013-09-17 - iOS7 Support ### 2.1 — 2013-08-22 New features & Bug Fixes - add display lyrics in tag(UNSYNCEDLYRICS) - bug fixes ### 2.0 — 2013-07-19 New features & Bug Fixes - Change to the new design - Improvement of operability - Improvement of playback function - Improvement of Speed listening - Add Sleep Timer - various bugs fixes ## Apps similar to FastMusic | App | Rating | Price | Category | | --- | --- | --- | --- | | [Speed Changer \| Transcribe+](https://appshunter.io/ios/app/speed-changer-transcribe-plus/id1048119179) | 4.5 (342) | Free | Music | | [Neon - Music with Effects](https://appshunter.io/ios/app/neon-music-with-effects/id1621934170) | 5.0 (4) | Free | Music | | [Amazing Slow Downer Lite](https://appshunter.io/ios/app/amazing-slow-downer-lite/id310204778) | 2.7 (107) | Free | Music | | [Nu-Music Player](https://appshunter.io/ios/app/nu-music-player/id982811087) | 4.2 (56) | Free | Music | | [Music Speed Changer-Transpose](https://appshunter.io/ios/app/music-speed-changer-transpose/id6447086413) | 4.5 (141) | Free | Music | | [TimePitch-Pitch, Speed Changer](https://appshunter.io/ios/app/timepitch-pitch-speed-changer/id1039713963) | 4.6 (1,937) | Free | Music | ## More apps by Kazutoshi Baba - [Dual Music - Listening and Background music -](https://appshunter.io/ios/app/dual-music-listening-and-background-music/id658408034) All apps by Kazutoshi Baba: https://appshunter.io/developer/578152472 ## Related topics [fast music](https://appshunter.io/ios/topics/fast-music) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*