# polytone vs IOSU!

The clearest difference is rating: polytone at 4.9 against IOSU!'s 4.1. polytone also leads on review sentiment (74% vs 63%). IOSU!'s advantage is in-app purchases (none vs 37) and iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. polytone sells 37 one-off in-app purchases. IOSU! asks for nothing beyond the download.

polytone holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 153 and 353 respectively. Written reviews point the same way: 74% of polytone's written reviews are positive against 63% of IOSU!'s.

## The numbers

| Metric | polytone | IOSU! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (153 ratings)](https://appshunter.io/ios/app/polytone-rhythm-game/id1039246228/reviews)** | [4.1 (353 ratings)](https://appshunter.io/ios/app/iosu/id1458578980/reviews) |
| Number of ratings | 153 | **353** |
| Positive reviews | **74.0% of reviews** | 63.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2.0 GB | 32 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Haonan Li](https://appshunter.io/developer/1039246227) | [Float32 Inc](https://appshunter.io/developer/467707684) |

## 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 (37)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Earth and Sea | $0.99 | one-time |
| In Circles | $0.99 | one-time |
| Passion | $0.99 | one-time |
| Reflex | $0.99 | one-time |
| At the Distant World of Stars | $0.99 | one-time |
| F*****g High (SK Remix) | $0.99 | one-time |
| Terminal Shore | $0.99 | one-time |
| Pixel Heart | $0.99 | one-time |
| Eternalisms | $0.99 | one-time |
| world electronica BOFU 2016 | $0.99 | one-time |
| Thunder | $0.99 | one-time |
| 1nn0c3n+ | $0.99 | one-time |
| F*****g High | $0.99 | one-time |
| Channel 88 | $0.99 | one-time |
| Brave The Elements | $0.99 | one-time |
| Contrast | $0.99 | one-time |
| DistorteD MoonlighT | $0.99 | one-time |
| Next Anthem... | $0.99 | one-time |
| Firmament | $0.99 | one-time |
| Vainglory | $0.99 | one-time |
| EVERYTHING | $0.99 | one-time |
| Colosseum | $0.99 | one-time |
| Let Me Drive | $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 |
| All Tracks ver.1.5 | $2.49 | one-time |
| All Tracks ver.1.9 | $2.49 | one-time |
| Selection from WAVES | $2.49 | one-time |
| polytone Welcome Bundle 1 | $2.49 | one-time |
| polytone MusicFes | $2.49 | one-time |
| all tracks 1.0 (iOS Special) | $3.99 | one-time |
| 500 Vertices | $4.00 | one-time |
| 1000 Vertices | $8.00 | one-time |
| 2000 Vertices | $16.00 | one-time |
| 4000 Vertices | $32.00 | one-time |


### IOSU!

[App page](https://appshunter.io/ios/app/iosu/id1458578980)

Enjoy rhythm games by playing your own beatmap files. Supports 4-key and 5x5 key modes, with more to come. Easily upload your custom beatmaps wirelessly from your PC or Mac.

**Highlights:** Play custom beatmap files, 4 Keys mode, 5x5 Keys mode, Wireless beatmap upload, PC/Mac file transfer

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Best osu!mania port available for iOS
- 📥 Easy .osz file import and drag-and-drop functionality
- 🎯 Accurate beatmap emulation and auto-mapping
- 🎨 Multiple game modes (4k, 7k, 5x5)
- ⚡ Smooth performance and responsive gameplay

**What reviewers complain about**

- 📱 Forced portrait mode limits playability
- 🔗 Broken URL/server for beatmap uploads
- 🎵 Only one default song included
- ⚙️ Lack of customization options
- 🎯 Inconsistent hit registration

**Reported bugs**

- URL server returns 'no' or 'forbidden' error when uploading beatmaps
- Cannot add beatmaps after reinstalling app
- Some beatmaps fail to load completely
- Hold note patterns render incorrectly
- Notes appear late or underneath hit zone at song start

**Requested features**

- Landscape mode support
- Custom scroll speed adjustment
- Skin customization and import
- Audio delay/offset adjustment
- Hit sounds


## Frequently asked questions

### Is polytone free?

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

### Is IOSU! free?

IOSU! is free to download, with no in-app purchases.

### Which has better reviews, polytone or IOSU!?

polytone is rated higher. polytone averages 4.9 out of 5 from 153 ratings, while IOSU! averages 4.1 from 353 ratings.

### Do polytone or IOSU! have ads?

Neither polytone nor IOSU! shows ads.

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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.*