Audipo vs Kotoren
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audipo
This app allows you to adjust the playback speed of audio files, from 0.25x to 4.0x, without changing the pitch. It's useful for music practice, language learning, audiobooks, and more, with features like multiple seek bars and section repeat.
- Adjustable playback speed (0.25x-4.0x)
- Pitch-preserving speed changes
- Multiple seek bars for navigation
- Audio track marking
- Partial repeat playback
- Ad-free experience (Pro)
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Audipo is a versatile music player capable of altering the playback speed of music files. This app proves to be valuable for various purposes such as music transcription, musical practice, language learning, dance rehearsals, and enjoying lengthy audio content. It can even be utilized as an audiobook player and for playing recorded radio broadcasts. Key Features: - Adjust audio playback speed within the range of 0.25x to 4.0x . * This application enables speed adjustments (both acceleration and deceleration) without altering the pitch. - Enhanced audio controls designed for prolonged audio tracks. Utilize multiple seek bars for precise navigation within lengthy audio content. - Marking feature integrated into the audio track. You have the ability to place markers anywhere within the audio timeline. These markers facilitate repeated playback from your chosen positions. - Partial repeat playback functionality. Effortlessly repeat specific sections of a music file. Pro Version (Available via in-app purchase): - Ad-Free Experience - Continuous Playback - Resumable Playback - Apple Music Compatibility (Please note that speed changes are not supported in iOS 15.4 and 15.4.1) - Headset Button Integration This music player significantly benefits users seeking to listen to specific portions of music on loop (e.g., for music transcription purposes). Furthermore, it proves useful for accelerating playback (e.g., for audiobooks or radio content) or slowing it down (e.g., language learning). A purchase will be applied to your iTunes account on confirmation. Subscriptions will automatically renew unless canceled within 24-hours before the end of the current period. You can cancel anytime with your iTunes account settings. For more information, see our Terms of Use and Privacy Policy. Terms of Use: https://devcice.com/audipoios/terms_of_use.html Privacy Policy: https://devcice.com/audipoios/privacypolicy.html
Kotoren
This audio player is designed for language learning and music practice, allowing users to easily repeat specific sections of audio. It visualizes audio as a graph for precise selection and offers adjustable playback speeds and repeat modes.
- Graph visualization of audio
- Phrase splitting and interval setting
- A-B repeat functionality
- Adjustable playback speed
- Playback mode customization
- Silence skipping
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Kotoren is an audio/podcast player. It is designed for language learning and music practice, but it can also be used to listen to music. Audio is displayed as a graph, so you can touch or swipe to select and listen to any point. This makes it easy to repeatedly listen to parts of the audio. ■ Main Features - Automatically split audio into phrases and display as a graph - Set an interval after the playback of a phrase. It can be set in seconds or as a ratio to the phrase’s playback time. - Skip silence between phrases (manually or automatically) - Support A-B repeat - Change playback speed from 0.2x to 2.0x - Change playback mode: Normal, Repeat one, Repeat all, Pause (Pause at the end of the current track. This is useful for listening to the last part repeatedly) - Rewind or Fast Forward 1/2/3/4/5 seconds - Text input field for dictation - Learning record: Title, Playback time, Learning days, etc. ■ Notes - This app does not include language teaching materials. - If there is no silence between phrases, silence/phrase skip and related features are not available. - Some files cannot be played (ex. Apple Music, iCloud, DRM protected files).
Screenshots
Verdict
The clearest difference is ratings volume: Audipo at 1.9K against Kotoren's 4. Kotoren's advantage is review sentiment (95% vs 72%) and rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Audipo sells 3 in-app purchases, starting at $1.99 per month and Kotoren sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Kotoren holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Audipo has 1.9K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 72% of Audipo's written reviews are positive against 95% of Kotoren's.
Audipo ships an update every 2 months, Kotoren every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Audipo | Kotoren |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.9K ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 72.0% of reviews | 94.6% of reviews — better |
| Number of ratings | 1.9K — better | 4 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | hidekazu seto | Masato Murata |
Customer experience
Audipo
Kotoren
Bugs and requests
Audipo
Reported bugs
3 issues- Playback issues after OS updates
- Inability to save or export modified audio
- Inconsistent behavior when pausing/resuming
Requested features
6 requests- Add pitch shifting capability
- Implement forward/rewind buttons
- Allow importing from cloud storage
- Provide more detailed instructions
- Add support for playlists and albums
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- Implement Bluetooth playback controls
Kotoren
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Audipo
- Audipo Pro$1.991 Month
- Audipo Pro$5.491 Year
- Audipo Pro version$4.99
Kotoren
- Remove Ads$3.99









