# MemTrainer vs Brain Rush

The clearest difference is price: MemTrainer at Free against Brain Rush's $0.99. MemTrainer also leads on iOS requirement (11.0 vs 15.6). Brain Rush's advantage is ads (none vs shown) and update cadence (every 4 days vs every 57 months). On in-app purchases and device support there is nothing between them.

MemTrainer is free to download; Brain Rush costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MemTrainer ships an update every 57 months, Brain Rush every 4 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MemTrainer | Brain Rush |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 57 months | **Every 4 days** |
| Size | 8 MB | 6 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POK](https://appshunter.io/developer/357275870) | [Shenyang Yuzu Technology Co., Ltd](https://appshunter.io/developer/1845797307) |

## What reviewers say

### MemTrainer

[App page](https://appshunter.io/ios/app/memtrainer/id506423958)

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

**In-app purchases:** none


### Brain Rush

[App page](https://appshunter.io/ios/app/brain-rush-mental-arithmetic/id6754001219)

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

**In-app purchases:** none


## Frequently asked questions

### Is MemTrainer free?

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

### Is Brain Rush free?

Brain Rush costs $0.99, with no in-app purchases.

### Do MemTrainer or Brain Rush have ads?

MemTrainer shows ads; Brain Rush does not.

### Which is updated more often, MemTrainer or Brain Rush?

MemTrainer ships an update every 57 months, and Brain Rush every 4 days. Most recently, MemTrainer was updated on November 6, 2026 and Brain Rush on October 30, 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.*