# Sharlock vs OpenKey Edu

The clearest difference is iOS requirement: Sharlock at 9.0 against OpenKey Edu's 15.1. On price, update cadence, ads 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Sharlock | OpenKey Edu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 4 MB | 145 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ioni Nielavitzky](https://appshunter.io/developer/1046698323) | [Luis Cosentino](https://appshunter.io/developer/1305706688) |

## What reviewers say

### Sharlock

[App page](https://appshunter.io/ios/app/sharlock/id1046698324)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenKey Edu

[App page](https://appshunter.io/ios/app/openkey-edu/id6741439447)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sharlock free?

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

### Is OpenKey Edu free?

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

### Do Sharlock or OpenKey Edu have ads?

Neither Sharlock nor OpenKey Edu shows ads.

### Which is updated more often, Sharlock or OpenKey Edu?

Sharlock ships an update every 6 weeks, and OpenKey Edu every 6 weeks. Most recently, Sharlock was updated on September 5, 2026 and OpenKey Edu on September 10, 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.*