Kotoren vs Marker Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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).
Marker Player
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Marker Player is a media player that lets you add markers to your audio and video files, so you can instantly jump to any marked position or use A–B loop playback for repeated practice. You can also adjust the playback speed and, for audio files, change the pitch without changing the tempo. Whether you're practicing a musical instrument, transcribing songs by ear, or studying a foreign language, Marker Player provides the tools you need for efficient and focused learning.
Screenshots
Verdict
The clearest difference is in-app purchases: Marker Player at none against Kotoren's 1. Kotoren's advantage is update cadence (every 5 weeks vs every 6 months). On price, ads, device support and iOS requirement 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. Kotoren sells 1 one-off in-app purchase. Marker Player asks for nothing beyond the download.
Kotoren ships an update every 5 weeks, Marker Player every 6 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.
| Parameter | Kotoren | Marker Player |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 94.6% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 weeks — better | Every 6 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 23 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Masato Murata | Yasuto Saito |
In-app purchases
Kotoren
- Remove Ads$3.99
Marker Player
No in-app purchases









