# Bix Challenge vs circloO

The clearest difference is rating: circloO at 4.8 against Bix Challenge's 3.3. circloO also leads on ratings volume (2.4K vs 23) and review sentiment (89% vs 75%). Bix Challenge's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Bix Challenge sells 5 one-off in-app purchases and circloO sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

circloO holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: circloO has 2.4K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 75% of Bix Challenge's written reviews are positive against 89% of circloO's.

Bix Challenge ships an update every 2 weeks, circloO every 2 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Bix Challenge | circloO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (23 ratings)](https://appshunter.io/ios/app/bix-challenge/id294848792/reviews) | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/circloo-physics-platformer/id1612957699/reviews)** |
| Number of ratings | 23 | **2.4K** |
| Positive reviews | 74.8% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 63 MB |
| Requires iOS | 11.0 | **10** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Padadaz](https://appshunter.io/developer/288177711) | [Florian van Strien](https://appshunter.io/developer/1603079263) |

## What reviewers say

### Bix Challenge

[App page](https://appshunter.io/ios/app/bix-challenge/id294848792)

Draw shapes to fill a percentage of the screen and trap moving balls. Unleash special powers when you successfully capture them. Compete to see how far you can advance in this engaging puzzle game.

**Highlights:** Draw shapes to fill screen, Trap moving balls, Unleash special powers, Progress through levels, Compete with other players

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Golden Balls | $0.99 | one-time |
| Disable Ads | $2.99 | one-time |
| Pile of Golden Balls | $4.99 | one-time |
| Bag of Golden Balls | $9.99 | one-time |
| Chest of Golden Balls | $19.99 | one-time |

**What reviewers like**

- 👍 Good time waster
- 🤩 Addictive and fun
- 😊 Wonderful game
- 🎮 Retro game feel

**What reviewers complain about**

- 🐛 Glitchy controls
- 🤬 Too many ads
- 😞 Crashes and bugs
- 🤯 Difficult to progress

**Reported bugs**

- Crashes after completing levels
- Unresponsive controls
- Inability to exit ads

**Requested features**

- More levels and content
- Save progress and resume
- Landscape mode
- Sound effects


### circloO

[App page](https://appshunter.io/ios/app/circloo-physics-platformer/id1612957699)

A colorful physics platformer where you guide a ball through growing circular levels. Collect circles to expand the play area, strategically using and avoiding obstacles. Discover unique physics mechanics and enjoy a vast collection of player-created levels.

**Highlights:** Circular physics puzzles, Level editor, Player-created levels, Unique physics mechanics, Growing levels, Hard Mode levels

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 👍 Relaxing and enjoyable gameplay
- 🎨 Creative and unique levels
- 🎶 Calming background music
- 🧠 Challenging but not impossible
- 🕹️ Smooth and responsive controls

**What reviewers complain about**

- 🔍 Occasional performance issues
- 🕹️ Difficulty can be inconsistent
- 📺 Ads can be disruptive at times
- 🤑 Lack of free content/levels

**Reported bugs**

- Glitches with level progression
- Inconsistent touch/click registration

**Requested features**

- More levels and content updates
- Character customization options
- Improved level editor tools
- Difficulty settings or options


## Frequently asked questions

### Is Bix Challenge free?

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

### Is circloO free?

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

### Which has better reviews, Bix Challenge or circloO?

circloO is rated higher. Bix Challenge averages 3.3 out of 5 from 23 ratings, while circloO averages 4.8 from 2.4K ratings.

### Do Bix Challenge or circloO have ads?

Both Bix Challenge and circloO show ads.

### Which is updated more often, Bix Challenge or circloO?

Bix Challenge ships an update every 2 weeks, and circloO every 2 months. Most recently, Bix Challenge was updated on October 6, 2026 and circloO on October 10, 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.*