# Rapid mental arithmetic vs Glove

The clearest difference is update cadence: Glove at weekly against Rapid mental arithmetic's every 3 weeks. Rapid mental arithmetic's advantage is iOS requirement (13.0 vs 15). On price, ads, 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.

Rapid mental arithmetic ships an update every 3 weeks, Glove weekly. The most recent releases landed on October 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rapid mental arithmetic | Glove |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 41 MB | 37 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gita Guha](https://appshunter.io/developer/1869265430) | [Anuj Naik](https://appshunter.io/developer/1880704501) |

## What reviewers say

### Rapid mental arithmetic

[App page](https://appshunter.io/ios/app/rapid-mental-arithmetic/id6757849531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Glove

[App page](https://appshunter.io/ios/app/glove-fastener-num/id6759796899)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rapid mental arithmetic free?

Rapid mental arithmetic is free to download, with no in-app purchases.

### Is Glove free?

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

### Do Rapid mental arithmetic or Glove have ads?

Both Rapid mental arithmetic and Glove show ads.

### Which is updated more often, Rapid mental arithmetic or Glove?

Rapid mental arithmetic ships an update every 3 weeks, and Glove weekly. Most recently, Rapid mental arithmetic was updated on October 3, 2026 and Glove on October 31, 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.*