# Keys Management vs Preo Scanner

The clearest difference is device support: Keys Management at 3 against Preo Scanner's 1. Keys Management also leads on iOS requirement (15.1 vs 18.4). 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.

Keys Management ships an update monthly, Preo Scanner every 2 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Keys Management | Preo Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 30 MB | 48 MB |
| Requires iOS | **15.1** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SenServe Limited](https://appshunter.io/developer/967969232) | [Preo ApS](https://appshunter.io/developer/1683828233) |

## What reviewers say

### Keys Management

[App page](https://appshunter.io/ios/app/keys-management/id1536101976)

**Features:** macOS Compatibility

**In-app purchases:** none


### Preo Scanner

[App page](https://appshunter.io/ios/app/preo-scanner/id6757405806)

**In-app purchases:** none


## Frequently asked questions

### Is Keys Management free?

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

### Is Preo Scanner free?

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

### Do Keys Management or Preo Scanner have ads?

Neither Keys Management nor Preo Scanner shows ads.

### Which is updated more often, Keys Management or Preo Scanner?

Keys Management ships an update monthly, and Preo Scanner every 2 months. Most recently, Keys Management was updated on October 9, 2026 and Preo Scanner on October 17, 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.*