# tc.audio vs Kotoren

The clearest difference is rating: Kotoren at 5.0 against tc.audio's 4.3. Kotoren also leads on review sentiment (95% vs 77%). tc.audio's advantage is in-app purchases (none vs 1) and ratings volume (23 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kotoren sells 1 one-off in-app purchase. tc.audio asks for nothing beyond the download.

Kotoren holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: tc.audio has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 77% of tc.audio's written reviews are positive against 95% of Kotoren's.

tc.audio ships an update every 2 months, Kotoren every 5 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | tc.audio | Kotoren |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (23 ratings)](https://appshunter.io/ios/app/tcaudio/id1221238676/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kotoren-repeat-player/id1596617639/reviews)** |
| Number of ratings | **23** | 4 |
| Positive reviews | 76.7% of reviews | **94.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 23 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YOHAN KIM](https://appshunter.io/developer/1062312301) | [Masato Murata](https://appshunter.io/developer/1596617641) |

## What reviewers say

### tc.audio

[App page](https://appshunter.io/ios/app/tcaudio/id1221238676)

Adjust playback speed, pitch, and loop sections of audio files. Ideal for learning music or languages by allowing focused listening and repetition.

**Highlights:** Playback speed control, Repeat and loop playback, Pitch alteration (semitone transposition), Seek and playback navigation, Shuffle play

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kotoren

[App page](https://appshunter.io/ios/app/kotoren-repeat-player/id1596617639)

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.

**Highlights:** Graph visualization of audio, Phrase splitting and interval setting, A-B repeat functionality, Adjustable playback speed, Playback mode customization, Silence skipping

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is tc.audio free?

tc.audio is free to download, with no in-app purchases.

### Is Kotoren free?

Kotoren is free to download, with in-app purchases available.

### Which has better reviews, tc.audio or Kotoren?

Kotoren is rated higher. tc.audio averages 4.3 out of 5 from 23 ratings, while Kotoren averages 5.0 from 4 ratings.

### Do tc.audio or Kotoren have ads?

Both tc.audio and Kotoren show ads.

### Which is updated more often, tc.audio or Kotoren?

tc.audio ships an update every 2 months, and Kotoren every 5 weeks. Most recently, tc.audio was updated on September 18, 2026 and Kotoren on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*