# Twirdora vs O2Jam

The clearest difference is price: Twirdora at Free against O2Jam's $1.99. O2Jam's advantage is update cadence (every 2 days vs every 5 weeks) and chart position (#192 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Twirdora is free to download; O2Jam costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Twirdora ships an update every 5 weeks, O2Jam every 2 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Twirdora | O2Jam |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (12 ratings)](https://appshunter.io/ios/app/twirdora/id1552561749/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free | — |
| Best chart rank | — | **#192** |
| Size | 526 MB | 316 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [潇迪 刘](https://appshunter.io/developer/1552523557) | [Superturbine Technology Inc.](https://appshunter.io/developer/1874231213) |

## What reviewers say

### Twirdora

[App page](https://appshunter.io/ios/app/twirdora/id1552561749)

Experience a unique rhythm game with innovative tap, hold, and rotate mechanics. Enjoy a wide range of difficulty levels and high-quality tracks from diverse genres. Explore engaging gameplay systems and enjoy beautifully crafted artworks.

**Highlights:** Brand new expressive gameplay mechanics, Charts for all-level players, High-quality tracks in varied genres, Carefully designed gameplay systems, Delicately created artworks, Free to play

**Features:** Vision Pro support

**In-app purchases:** none


### O2Jam

[App page](https://appshunter.io/ios/app/o2jam-fruitland-lite/id6447247271)

**Currently charting:** #192 Top Paid · Music (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Twirdora free?

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

### Is O2Jam free?

O2Jam costs $1.99, with no in-app purchases.

### Do Twirdora or O2Jam have ads?

Neither Twirdora nor O2Jam shows ads.

### Which is updated more often, Twirdora or O2Jam?

Twirdora ships an update every 5 weeks, and O2Jam every 2 days. Most recently, Twirdora was updated on November 3, 2026 and O2Jam on November 3, 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.*