# Cytoid vs IOSU!

The clearest difference is rating: Cytoid at 4.7 against IOSU!'s 4.1. Cytoid also leads on ratings volume (1.5K vs 353). IOSU!'s advantage is iOS requirement (9.0 vs 14.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cytoid holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 1.5K and 353 respectively. Written reviews point the same way: 65% of Cytoid's written reviews are positive against 63% of IOSU!'s.

## The numbers

| Metric | Cytoid | IOSU! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/cytoid/id1266582726/reviews)** | [4.1 (353 ratings)](https://appshunter.io/ios/app/iosu/id1458578980/reviews) |
| Number of ratings | **1.5K** | 353 |
| Positive reviews | **64.9% of reviews** | 63.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | Free |
| Size | 513 MB | 32 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Man To Tang](https://appshunter.io/developer/1266582725) | [Float32 Inc](https://appshunter.io/developer/467707684) |

## What reviewers say

### Cytoid

[App page](https://appshunter.io/ios/app/cytoid/id1266582726)

This is an open-source rhythm game where players can create, share, and play custom levels. It features a redesigned UI, a built-in community for downloading levels, and various gameplay enhancements for a smoother experience.

**Highlights:** Create and share custom rhythm game levels, Browse and download over 4000 user-created levels, Reworked rating system for competitive play, Seasonal and collaboration events with exclusive rewards, Unlockable characters, New storyboarding features for creators, Improved music/note synchronization

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Customizable, lots of charts to play
- 🚀 Beginner friendly
- 🚀 Community-driven
- 🚀 Interesting gameplay mechanics
- 🚀 High quality music and visuals

**What reviewers complain about**

- 🐛 Crashes and freezing issues
- 🐛 Timing issues and strict note accuracy
- 🐛 Login and account problems
- 🐛 Compatibility issues on older devices
- 🐛 Lack of in-game features (pause button, hit feedback, etc.)

**Reported bugs**

- Crashes on startup
- Login/account issues
- Timing and note registration problems

**Requested features**

- In-game level/chart editor
- More customization options (skins, hitsounds, etc.)
- Improved search and organization for community charts
- Multiplayer or social features


### 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 Cytoid free?

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

### Is IOSU! free?

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

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

Cytoid is rated higher. Cytoid averages 4.7 out of 5 from 1.5K ratings, while IOSU! averages 4.1 from 353 ratings.

### Do Cytoid or IOSU! have ads?

Neither Cytoid 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.*