# Brain Exercise vs Yum Stack

The clearest difference is in-app purchases: Yum Stack at none against Brain Exercise's 2. Yum Stack also leads on update cadence (every 10 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). Brain Exercise's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Brain Exercise sells 2 in-app purchases, starting at $0.99 per month. Yum Stack asks for nothing beyond the download.

Brain Exercise ships an update every 3 weeks, Yum Stack every 10 days. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Brain Exercise | Yum Stack |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 97 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kunal rameshbhai](https://appshunter.io/developer/1117340195) | [SHICHUANGRUN CO.,LIMITED](https://appshunter.io/developer/1813093838) |

## 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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan 3 days free | $0.99 | per month |
| Yearly Plan 3 days free | $9.99 | per year |


### Yum Stack

[App page](https://appshunter.io/ios/app/yum-stack/id6747810389)

**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 Yum Stack free?

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

### Do Brain Exercise or Yum Stack have ads?

Yum Stack shows ads; Brain Exercise does not.

### Which is updated more often, Brain Exercise or Yum Stack?

Brain Exercise ships an update every 3 weeks, and Yum Stack every 10 days. Most recently, Brain Exercise was updated on October 30, 2026 and Yum Stack on November 8, 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.*