# Quantum 3 vs circloO

The clearest difference is in-app purchases: Quantum 3 at none against circloO's 1. Quantum 3 also leads on ads (none vs shown) and review sentiment (100% vs 89%). circloO's advantage is update cadence (every 2 months vs every 16 months) and ratings volume (2.4K vs 15). On price, rating and device support there is nothing between them.

Both are free to download. circloO sells 1 one-off in-app purchase. Quantum 3 asks for nothing beyond the download.

Quantum 3 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: circloO has 2.4K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 100% of Quantum 3's written reviews are positive against 89% of circloO's.

Quantum 3 ships an update every 16 months, circloO every 2 months. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Quantum 3 | circloO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/quantum-3/id1406630529/reviews)** | [4.8 (2.4K ratings)](https://appshunter.io/ios/app/circloo-physics-platformer/id1612957699/reviews) |
| Number of ratings | 15 | **2.4K** |
| Positive reviews | **100.0% of reviews** | 89.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 124 MB | 63 MB |
| Requires iOS | 12.0 | **10** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brian Winn](https://appshunter.io/developer/487088992) | [Florian van Strien](https://appshunter.io/developer/1603079263) |

## What reviewers say

### Quantum 3

[App page](https://appshunter.io/ios/app/quantum-3/id1406630529)

An educational match-3 game that blends fun gameplay with quantum physics concepts. Players match quarks to build subatomic particles and learn about fundamental physics mysteries. It's a great introduction to particle physics for all ages.

**Highlights:** Match-3 gameplay, Learn quantum physics, Build subatomic particles, Explore fundamental physics, Puzzle-solving mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Quantum 3 free?

Quantum 3 is free to download, with no in-app purchases.

### Is circloO free?

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

### Which has better reviews, Quantum 3 or circloO?

Quantum 3 is rated higher. Quantum 3 averages 5.0 out of 5 from 15 ratings, while circloO averages 4.8 from 2.4K ratings.

### Do Quantum 3 or circloO have ads?

circloO shows ads; Quantum 3 does not.

### Which is updated more often, Quantum 3 or circloO?

Quantum 3 ships an update every 16 months, and circloO every 2 months. Most recently, Quantum 3 was updated on September 7, 2026 and circloO on September 9, 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.*