# PlusMinus vs Rekenridders

The clearest difference is update cadence: Rekenridders at every 2 days against PlusMinus's every 5 weeks. PlusMinus's advantage is iOS requirement (10.2 vs 17.6). 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.

PlusMinus ships an update every 5 weeks, Rekenridders every 2 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PlusMinus | Rekenridders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Size | 12 MB | 70 MB |
| Requires iOS | **10.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wim Porters](https://appshunter.io/developer/721738428) | [Flexlogic](https://appshunter.io/developer/1884042923) |

## What reviewers say

### PlusMinus

[App page](https://appshunter.io/ios/app/plusminus/id1202254490)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rekenridders

[App page](https://appshunter.io/ios/app/rekenridders/id6760353354)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlusMinus free?

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

### Is Rekenridders free?

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

### Do PlusMinus or Rekenridders have ads?

Neither PlusMinus nor Rekenridders shows ads.

### Which is updated more often, PlusMinus or Rekenridders?

PlusMinus ships an update every 5 weeks, and Rekenridders every 2 days. Most recently, PlusMinus was updated on October 4, 2026 and Rekenridders on October 16, 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.*