# Build Up!! vs circloO

The clearest difference is review sentiment: circloO at 89% against Build Up!!'s 34%. circloO also leads on rating (4.8 vs 4.5) and iOS requirement (10 vs 14.0). Build Up!!'s advantage is update cadence (fortnightly vs every 2 months) and ratings volume (16K vs 2.4K). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Build Up!! sells 1 one-off in-app purchase 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 4.5. That said, the two scores are not equally well evidenced: Build Up!! has 16K ratings behind it against 2.4K, so its average is the more settled of the two. Written reviews point the same way: 34% of Build Up!!'s written reviews are positive against 89% of circloO's.

Build Up!! ships an update fortnightly, circloO every 2 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Build Up!! | circloO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (16K ratings)](https://appshunter.io/ios/app/build-up/id1453032346/reviews) | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/circloo-physics-platformer/id1612957699/reviews)** |
| Number of ratings | **16K** | 2.4K |
| Positive reviews | 34.3% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 266 MB | 63 MB |
| Requires iOS | 14.0 | **10** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Florian van Strien](https://appshunter.io/developer/1603079263) |

## What reviewers say

### Build Up!!

[App page](https://appshunter.io/ios/app/build-up/id1453032346)

Construct your tower as tall as possible by strategically placing building nodes. Collect more nodes as you ascend to reach crucial checkpoints and achieve new heights.

**Highlights:** Build structures high, Gather building nodes, Reach checkpoints, Ascend to new heights

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

**In-app purchases (1)**

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

**What reviewers like**

- 👍 Simple and fun game
- 🚀 Runs well with no crashes
- 💰 Free to play

**What reviewers complain about**

- 💸 Excessive ads
- 🐛 Impossible or buggy levels
- 🔁 Repetitive gameplay

**Reported bugs**

- Rivet counter malfunction
- Levels regenerating incorrectly
- Tower physics issues

**Requested features**

- More level variety
- Ability to create custom maps
- Removal of perfect triangle requirement


### 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 Build Up!! free?

Build Up!! 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, Build Up!! or circloO?

circloO is rated higher. Build Up!! averages 4.5 out of 5 from 16K ratings, while circloO averages 4.8 from 2.4K ratings.

### Do Build Up!! or circloO have ads?

Both Build Up!! and circloO show ads.

### Which is updated more often, Build Up!! or circloO?

Build Up!! ships an update fortnightly, and circloO every 2 months. Most recently, Build Up!! was updated on October 18, 2026 and circloO on October 17, 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.*