# Contradict vs MemoPer

The clearest difference is update cadence: MemoPer at every 2 months against Contradict's every 6 months. Contradict's advantage is iOS requirement (13.0 vs 15.1). 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.

Contradict ships an update every 6 months, MemoPer every 2 months. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Contradict | MemoPer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 3 MB | 54 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robin Hedinger](https://appshunter.io/developer/1454535247) | [Daniel Grijuela](https://appshunter.io/developer/1020329535) |

## What reviewers say

### Contradict

[App page](https://appshunter.io/ios/app/contradict/id6450902162)

**Features:** macOS Compatibility

**In-app purchases:** none


### MemoPer

[App page](https://appshunter.io/ios/app/memoper/id6477760130)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contradict free?

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

### Is MemoPer free?

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

### Do Contradict or MemoPer have ads?

Neither Contradict nor MemoPer shows ads.

### Which is updated more often, Contradict or MemoPer?

Contradict ships an update every 6 months, and MemoPer every 2 months. Most recently, Contradict was updated on September 19, 2026 and MemoPer on September 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.*