# 1 · 1 Tool vs Malrechnen

The clearest difference is price: 1 · 1 Tool at Free against Malrechnen's $0.99. 1 · 1 Tool also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (12.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

1 · 1 Tool is free to download; Malrechnen costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

1 · 1 Tool ships an update every 2 weeks, Malrechnen every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 1 · 1 Tool | Malrechnen |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Size | 559 MB | 6 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Anne Rahn](https://appshunter.io/developer/1569232499) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### 1 · 1 Tool

[App page](https://appshunter.io/ios/app/1-1-tool/id1569232497)

**Features:** macOS Compatibility

**In-app purchases:** none


### Malrechnen

[App page](https://appshunter.io/ios/app/malrechnen/id1628010803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1 · 1 Tool free?

1 · 1 Tool is free to download, with no in-app purchases.

### Is Malrechnen free?

Malrechnen costs $0.99, with no in-app purchases.

### Do 1 · 1 Tool or Malrechnen have ads?

Neither 1 · 1 Tool nor Malrechnen shows ads.

### Which is updated more often, 1 · 1 Tool or Malrechnen?

1 · 1 Tool ships an update every 2 weeks, and Malrechnen every 6 months. Most recently, 1 · 1 Tool was updated on November 3, 2026 and Malrechnen on November 3, 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.*