# Brain Exercise vs Watermelon Balloon

The clearest difference is in-app purchases: Watermelon Balloon at none against Brain Exercise's 4. Brain Exercise's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Exercise sells 4 in-app purchases, starting at $0.99 per month. Watermelon Balloon asks for nothing beyond the download.

Brain Exercise ships an update every 3 weeks, Watermelon Balloon every 6 weeks. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Brain Exercise | Watermelon Balloon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kunal rameshbhai](https://appshunter.io/developer/1117340195) | [Minseok Song](https://appshunter.io/developer/1680507122) |

## What reviewers say

### Brain Exercise

[App page](https://appshunter.io/ios/app/brain-exercise-puzzle/id6483364037)

Enhance focus, memory, and logic with diverse puzzles and exercises for all ages. Develop fine motor skills, master letters and numbers, and sharpen critical thinking through engaging activities. Learn something new daily with a user-friendly and fun mental recharge.

**Highlights:** Diverse game categories, Interactive tracing challenges, Voice-guided learning, Drag, sort, and match puzzles, Spelling and coloring activities, Advanced mind puzzles, Picture and word puzzles

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan 3 days free | $0.99 | per month |
| Yearly Plan 3 days free | $9.99 | per year |
| Remove Ad | $9.99 | one-time |
| Unlock Pro | $29.99 | one-time |


### Watermelon Balloon

[App page](https://appshunter.io/ios/app/watermelon-balloon/id6761717844)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Exercise free?

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

### Is Watermelon Balloon free?

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

### Do Brain Exercise or Watermelon Balloon have ads?

Watermelon Balloon shows ads; Brain Exercise does not.

### Which is updated more often, Brain Exercise or Watermelon Balloon?

Brain Exercise ships an update every 3 weeks, and Watermelon Balloon every 6 weeks. Most recently, Brain Exercise was updated on October 11, 2026 and Watermelon Balloon on October 15, 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.*