# Qontrast vs Mr. Einstein

The clearest difference is update cadence: Mr. Einstein at every 3 weeks against Qontrast's every 5 months. 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.

Qontrast ships an update every 5 months, Mr. Einstein every 3 weeks. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Qontrast | Mr. Einstein |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 20 MB | 70 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ik Ben Aanwezig](https://appshunter.io/developer/1164497891) | [Mr. Einstein HR B.V.](https://appshunter.io/developer/1450718113) |

## What reviewers say

### Qontrast

[App page](https://appshunter.io/ios/app/qontrast/id1164497892)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mr. Einstein

[App page](https://appshunter.io/ios/app/mr-einstein/id1450718114)

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

**In-app purchases:** none


## Frequently asked questions

### Is Qontrast free?

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

### Is Mr. Einstein free?

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

### Do Qontrast or Mr. Einstein have ads?

Neither Qontrast nor Mr. Einstein shows ads.

### Which is updated more often, Qontrast or Mr. Einstein?

Qontrast ships an update every 5 months, and Mr. Einstein every 3 weeks. Most recently, Qontrast was updated on September 13, 2026 and Mr. Einstein on September 15, 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.*