# Brain It On! vs Chimp Memory

The clearest difference is in-app purchases: Chimp Memory at none against Brain It On!'s 9. Chimp Memory also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Brain It On! sells 9 one-off in-app purchases. Chimp Memory asks for nothing beyond the download.

Brain It On! ships an update every 3 weeks, Chimp Memory every 3 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Brain It On! | Chimp Memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (5.2K ratings)](https://appshunter.io/ios/app/brain-it-on/id985367692/reviews)** | — |
| Number of ratings | **5.2K** | — |
| Positive reviews | 80.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 191 MB | 0 MB |
| Requires iOS | 15.0 | **13.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Orbital Nine Games Inc](https://appshunter.io/developer/887216732) | [Kaname Nakagawa](https://appshunter.io/developer/1604080478) |

## What reviewers say

### Brain It On!

[App page](https://appshunter.io/ios/app/brain-it-on/id985367692)

Engage your mind with tricky physics puzzles. Draw shapes to find creative solutions to increasingly difficult challenges. Compete with friends and discover multiple ways to solve each puzzle.

**Highlights:** Dozens of brain-busting puzzles, Puzzles added regularly, Compete with friends, Multiple solutions per puzzle, Share unique solutions

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Popup Ads | $0.99 | one-time |
| The Full Game (75% off) | $0.99 | one-time |
| Coin Pack | $0.99 | one-time |
| The Full Game (50% off) | $1.99 | one-time |
| Coin Pack | $1.99 | one-time |
| The Full Game (25% off) | $2.99 | one-time |
| Coin Pack | $2.99 | one-time |
| The Full Game | $3.99 | one-time |
| Coin Pack | $3.99 | one-time |

**What reviewers like**

- 🚀 Challenging and fun
- 🔒 No ads
- 👍 Engaging physics-based puzzles
- 👍 Encourages creative thinking
- 👍 Good for brain exercise

**What reviewers complain about**

- 🐛 Drawing accuracy issues
- 🐛 Glitches and crashes
- 🐛 Difficulty spikes too quickly
- 🔋 Overheating on some devices
- 👎 Too many ads for hints

**Reported bugs**

- Level selector not working past level 220
- Inability to draw near screen edges due to OS gestures
- Hint videos not always helpful
- In-app purchases not working as expected

**Requested features**

- More levels
- Level editor to create custom puzzles
- Ability to save progress
- Improved drawing controls
- Better hints and guidance


### Chimp Memory

[App page](https://appshunter.io/ios/app/chimp-memory/id1604080476)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain It On! free?

Brain It On! is free to download, with in-app purchases available.

### Is Chimp Memory free?

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

### Do Brain It On! or Chimp Memory have ads?

Brain It On! shows ads; Chimp Memory does not.

### Which is updated more often, Brain It On! or Chimp Memory?

Brain It On! ships an update every 3 weeks, and Chimp Memory every 3 days. Most recently, Brain It On! was updated on October 13, 2026 and Chimp Memory on October 2, 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.*