# Number Playtime vs memRush

The clearest difference is ads: memRush at none against Number Playtime's shown. memRush also leads on update cadence (fortnightly vs every 11 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Number Playtime ships an update every 11 months, memRush fortnightly. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Number Playtime | memRush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/memrush-brain-training/id6670697851/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 28 MB | 10 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京宠光科技有限公司](https://appshunter.io/developer/1633375342) | [红品 熊](https://appshunter.io/developer/1766515274) |

## What reviewers say

### Number Playtime

[App page](https://appshunter.io/ios/app/number-playtime/id6502514873)

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

**In-app purchases:** none


### memRush

[App page](https://appshunter.io/ios/app/memrush-brain-training/id6670697851)

Enhance your cognitive abilities with daily memory exercises. This game offers various modes to challenge your recall and learning speed, suitable for all ages to build a stronger foundation for success.

**Highlights:** Memory Training, Challenge Mode, Selection Mode, Matching Mode, Customizable Parameters

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Playtime free?

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

### Is memRush free?

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

### Do Number Playtime or memRush have ads?

Number Playtime shows ads; memRush does not.

### Which is updated more often, Number Playtime or memRush?

Number Playtime ships an update every 11 months, and memRush fortnightly. Most recently, Number Playtime was updated on October 6, 2026 and memRush on October 20, 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.*