polytone vs Lethe
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
polytone
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.
- First-person perspective
- Tap on music notes
- Unique visual elements
- Curated music collections
- Immersive rhythm experience
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polytone is a rhythm game that puts you front and center in a virtual journey. Tap on the square-shape music notes as they fly towards you along the music. Unique visual elements and curated music collections are our ways to provide you a brand new rhythm game experience. Powered by "CRIWARE". CRIWARE is a trademark of CRI Middleware Co., Ltd.
Lethe
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.
- Theatrical music gameplay
- Artistic sand painting scrolls
- Original high-quality music
- Puzzle-solving mechanics
- Immersive fantasy story
- Unity 3D integrated system
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"This game has the best artistic quality and effects I've ever seen."- Japanese music master Onoken. "A brand new game experience. It will change music games forever!"- Taiwan's top musician Vanros Kloud. Lethe is a theatrical music game designed with beautifully artistic scenes, sand painting scrolls, and high quality music. Players can discover the lost memories of the "Lethe" continent by gathering elven energy and solving puzzles. The pictorial operations help you release the mysteries and riddles that bind and separate Taya and Omari. ---Game Features--- Brand new gameplay where you open a musical scroll and dive into a unique world of magic and sound. As you journey through this world, more and more music will be unlocked and an immersive world of adventure will open up to be discovered. Play to the tunes of original musicians from around the world, such as Onoken, Vanros Kloud, Sakuzyo, and celebrated newcomer Kage. Rise above traditional visual experiences through a perfectly developed Unity 3D integrated game system. Grants you a real sense of music performance. Every scene of this game is hand painted and fuelled by the mystical power of music and emotion. You will become immersed in an epic fantasy drama set in the style of a timeless fairy tale. ---Awards--- Indieplay Best Music Sound Effects Jinyuan Best Music Sound Effects Jinyuan Best Art Design CGDA Best Mobile Game Design & Innovation Award TIGA Best Game Nominations Very Big Indie Pitch - The Fourth Best Game (The only Asian product nominated) IMGA Highest Award Nomination IMGA Most Anticipated Game Award IMGA Best Audio Award Taipei Game Show Best Art Award
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | polytone | Lethe |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (154 ratings) — better | 3.8 (13 ratings) |
| Positive reviews | 74.0% of reviews — better | 64.9% of reviews |
| Number of ratings | 154 — better | 13 |
| Update frequency | Every 3 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | #63 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 7.0 — better |
| Further details — not scored | ||
| Size | 2.0 GB | 1.3 GB |
| Age rating | 17+ | 4+ |
| Developer | Haonan Li | Changyou.com HK Limited |
Customer experience
polytone
Lethe
In-app purchases
polytone
- Reflex$0.99
- 120 Vertices$1.00
- All Tracks ver.1.3$1.49
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- All Tracks ver.1.7$1.49
- Trance Journey vol.1$1.99
- polytone Welcome Bundle 1$2.49
- polytone MusicFes$2.49
- 500 Vertices$4.00
- 1000 Vertices$8.00
- 2000 Vertices$16.00
Lethe
- Chapter "Wither"$2.99









