# Brain Exercise vs Spin Kube

The clearest difference is in-app purchases: Spin Kube at none against Brain Exercise's 4. Spin Kube also leads on update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Brain Exercise ships an update every 3 weeks, Spin Kube daily. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Brain Exercise | Spin Kube |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 110 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kunal rameshbhai](https://appshunter.io/developer/1117340195) | [CODILAND COMPANY LIMITED](https://appshunter.io/developer/1757357429) |

## 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 |


### Spin Kube

[App page](https://appshunter.io/ios/app/spin-kube/id6544786400)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Exercise free?

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

### Is Spin Kube free?

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

### Do Brain Exercise or Spin Kube have ads?

Neither Brain Exercise nor Spin Kube shows ads.

### Which is updated more often, Brain Exercise or Spin Kube?

Brain Exercise ships an update every 3 weeks, and Spin Kube daily. Most recently, Brain Exercise was updated on October 11, 2026 and Spin Kube on October 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.*