# Double memo vs Calculator Brut

The clearest difference is ads: Calculator Brut at none against Double memo's shown. Double memo's advantage is device support (3 vs 1) and iOS requirement (15.8.3 vs 26.5). On price, update cadence and in-app purchases there is nothing between them.

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

Double memo ships an update every 2 weeks, Calculator Brut every 11 days. The most recent releases landed on September 16, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Double memo | Calculator Brut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Size | 37 MB | 5 MB |
| Requires iOS | **15.8.3** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Jerry Munyoka Nkongolo](https://appshunter.io/developer/1835149593) |

## What reviewers say

### Double memo

[App page](https://appshunter.io/ios/app/double-memo/id6502283245)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Brut

[App page](https://appshunter.io/ios/app/calculator-brut/id6792244800)

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

**In-app purchases:** none


## Frequently asked questions

### Is Double memo free?

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

### Is Calculator Brut free?

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

### Do Double memo or Calculator Brut have ads?

Double memo shows ads; Calculator Brut does not.

### Which is updated more often, Double memo or Calculator Brut?

Double memo ships an update every 2 weeks, and Calculator Brut every 11 days. Most recently, Double memo was updated on September 16, 2026 and Calculator Brut on August 13, 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.*