# circloO vs Modulo

The clearest difference is in-app purchases: Modulo at none against circloO's 1. Modulo also leads on ads (none vs shown). circloO's advantage is iOS requirement (10 vs 15.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | circloO | Modulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/circloo-physics-platformer/id1612957699/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 57 MB |
| Requires iOS | **10** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Florian van Strien](https://appshunter.io/developer/1603079263) | [Sangeeta Tiwari](https://appshunter.io/developer/1844529300) |

## What reviewers say

### 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


### Modulo

[App page](https://appshunter.io/ios/app/modulo-number-puzzle/id6775324674)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is circloO free?

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

### Is Modulo free?

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

### Do circloO or Modulo have ads?

circloO shows ads; Modulo does not.

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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.*