# polytone vs Lethe

The clearest difference is price: polytone at Free against Lethe's $0.99. polytone also leads on rating (4.9 vs 3.8) and ratings volume (154 vs 13). Lethe's advantage is update cadence (every 4 weeks vs every 3 months) and chart position (#63 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

polytone is free to download; Lethe costs $0.99 up front. polytone sells 10 one-off in-app purchases and Lethe sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

polytone holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: polytone has 154 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 74% of polytone's written reviews are positive against 65% of Lethe's.

polytone ships an update every 3 months, Lethe every 4 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | polytone | Lethe |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (154 ratings)](https://appshunter.io/ios/app/polytone-rhythm-game/id1039246228/reviews)** | [3.8 (13 ratings)](https://appshunter.io/ios/app/lethe/id1166097026/reviews) |
| Number of ratings | **154** | 13 |
| Positive reviews | **74.0% of reviews** | 64.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#63** |
| Size | 2.0 GB | 1.3 GB |
| Requires iOS | 15.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Haonan Li](https://appshunter.io/developer/1039246227) | [Changyou.com HK Limited](https://appshunter.io/developer/530468875) |

## What reviewers say

### polytone

[App page](https://appshunter.io/ios/app/polytone-rhythm-game/id1039246228)

Experience music like never before in this immersive first-person rhythm game. Tap on incoming musical notes in time with the beat. Discover unique visuals and curated music for a fresh rhythm gaming adventure.

**Highlights:** First-person perspective, Tap on music notes, Unique visual elements, Curated music collections, Immersive rhythm experience

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reflex | $0.99 | one-time |
| 120 Vertices | $1.00 | one-time |
| All Tracks ver.1.3 | $1.49 | one-time |
| All Tracks ver.1.7 | $1.49 | one-time |
| Trance Journey vol.1 | $1.99 | one-time |
| polytone Welcome Bundle 1 | $2.49 | one-time |
| polytone MusicFes | $2.49 | one-time |
| 500 Vertices | $4.00 | one-time |
| 1000 Vertices | $8.00 | one-time |
| 2000 Vertices | $16.00 | one-time |


### Lethe

[App page](https://appshunter.io/ios/app/lethe/id1166097026)

**Currently charting:** #63 Top Paid · Music (US App Store)

Experience a theatrical music game with stunning artistic scenes and original music. Solve puzzles and uncover a fantasy story by interacting with musical scrolls and gathering elven energy. Immerse yourself in a unique world of magic, sound, and emotion.

**Highlights:** Theatrical music gameplay, Artistic sand painting scrolls, Original high-quality music, Puzzle-solving mechanics, Immersive fantasy story, Unity 3D integrated system

**Features:** iMessage stickers, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chapter "Wither" | $2.99 | one-time |


## Frequently asked questions

### Is polytone free?

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

### Is Lethe free?

Lethe costs $0.99, and also offers in-app purchases.

### Which has better reviews, polytone or Lethe?

polytone is rated higher. polytone averages 4.9 out of 5 from 154 ratings, while Lethe averages 3.8 from 13 ratings.

### Do polytone or Lethe have ads?

Neither polytone nor Lethe shows ads.

### Which is updated more often, polytone or Lethe?

polytone ships an update every 3 months, and Lethe every 4 weeks. Most recently, polytone was updated on November 6, 2026 and Lethe on November 6, 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.*