# Project vs 三根毛

The clearest difference is in-app purchases: 三根毛 at none against Project's 18. 三根毛 also leads on ads (none vs shown). Project's advantage is update cadence (monthly vs every 2 months) and chart position (#177 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Project sells 18 one-off in-app purchases. 三根毛 asks for nothing beyond the download.

Project ships an update monthly, 三根毛 every 2 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Project | 三根毛 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.5K ratings)](https://appshunter.io/ios/app/project-muse/id1094656747/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 72.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#177** | — |
| Size | 1.2 GB | 254 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Rinzz Co. Ltd.](https://appshunter.io/developer/948116526) | [YUE CHENG WU](https://appshunter.io/developer/1837857381) |

## What reviewers say

### Project

[App page](https://appshunter.io/ios/app/project-muse/id1094656747)

**Currently charting:** #177 Top Grossing · Music (US App Store)

Experience an innovative music game where every tap triggers original electronic sounds. Engage in rhythm gameplay with unique multi-track challenges, diverse music styles, and customizable characters. Compete with friends and players worldwide in this visually rich experience.

**Highlights:** Rhythm gameplay with real-time pronunciation, Original independent electronic music, Multi-track music challenges, Diverse and updated music styles, Customizable characters and skins, Global player competition, Potential visual improvement for amblyopia

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| New Journey - Coins Pack | $0.99 | one-time |
| Green Light - Package A | $0.99 | one-time |
| New Player Bonus | $0.99 | one-time |
| Lucky Coin Package | $0.99 | one-time |
| Unlimited Energy | $1.99 | one-time |
| Skin package | $2.99 | one-time |
| Fall Harvest Day Anecdote | $2.99 | one-time |
| The Holy Night Expedition | $2.99 | one-time |
| Lucky Snowy Cloud Nation | $2.99 | one-time |
| Forest Rhapsody | $2.99 | one-time |
| Journey To Another World | $2.99 | one-time |
| Cherry Blossom Dreams | $2.99 | one-time |
| Time Gala: Mystery Tracker | $2.99 | one-time |
| Eve Ritual: King Project | $2.99 | one-time |
| Summer Escape Plan | $2.99 | one-time |
| On The Way - Coins Pack | $3.99 | one-time |
| VIP PACK | $5.99 | one-time |
| Sparks Fly - Coins Pack | $8.99 | one-time |

**What reviewers like**

- 🎨 Beautiful visuals and character designs
- 🎵 Catchy and enjoyable music
- 🕹️ Fun and challenging gameplay
- 👍 Addictive and engaging experience

**What reviewers complain about**

- 🐛 Bugs and glitches (note sync issues, crashes, freezes)
- 💰 Excessive in-app purchases and paywalls
- 🔇 Sound issues (music cutting out)
- 🤯 Difficulty spike for newer players

**Reported bugs**

- Levels/songs getting locked after updates
- Inconsistent note registration on 4-lane sections
- SOS feature not working as intended
- Progress/data loss after reinstalling the app

**Requested features**

- Practice mode for individual song sections
- More frequent content updates
- Ability to restore previously purchased content
- Improved calibration and note detection


### 三根毛

[App page](https://appshunter.io/ios/app/id6780201611)

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

**In-app purchases:** none


## Frequently asked questions

### Is Project free?

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

### Is 三根毛 free?

三根毛 is free to download, with no in-app purchases.

### Do Project or 三根毛 have ads?

Project shows ads; 三根毛 does not.

### Which is updated more often, Project or 三根毛?

Project ships an update monthly, and 三根毛 every 2 months. Most recently, Project was updated on October 15, 2026 and 三根毛 on October 7, 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.*