# Keaper vs SafetyEngine

The clearest difference is update cadence: SafetyEngine at every 3 weeks against Keaper's every 4 months. SafetyEngine also leads on iOS requirement (15.6 vs 17.0). 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.

Keaper ships an update every 4 months, SafetyEngine every 3 weeks. The most recent releases landed on September 11, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Keaper | SafetyEngine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 4 MB | 191 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Poly-Control ApS](https://appshunter.io/developer/414462379) | [Ramboll A/S](https://appshunter.io/developer/1522256210) |

## What reviewers say

### Keaper

[App page](https://appshunter.io/ios/app/keaper/id1499359914)

**In-app purchases:** none


### SafetyEngine

[App page](https://appshunter.io/ios/app/safetyengine/id1598288000)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keaper free?

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

### Is SafetyEngine free?

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

### Do Keaper or SafetyEngine have ads?

Neither Keaper nor SafetyEngine shows ads.

### Which is updated more often, Keaper or SafetyEngine?

Keaper ships an update every 4 months, and SafetyEngine every 3 weeks. Most recently, Keaper was updated on September 11, 2026 and SafetyEngine on September 2, 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.*