# Cerber vs Alertap

The clearest difference is update cadence: Cerber at every 8 days against Alertap's every 3 weeks. Alertap's advantage is iOS requirement (13.0 vs 15.4). 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.

Cerber ships an update every 8 days, Alertap every 3 weeks. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Cerber | Alertap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 19 MB | 390 MB |
| Requires iOS | 15.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Urząd m.st. Warszawy](https://appshunter.io/developer/1105917632) | [Araneustech P.S.A.](https://appshunter.io/developer/1801565494) |

## What reviewers say

### Cerber

[App page](https://appshunter.io/ios/app/cerber-r/id1517848481)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alertap

[App page](https://appshunter.io/ios/app/alertap/id6743131132)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cerber free?

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

### Is Alertap free?

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

### Do Cerber or Alertap have ads?

Neither Cerber nor Alertap shows ads.

### Which is updated more often, Cerber or Alertap?

Cerber ships an update every 8 days, and Alertap every 3 weeks. Most recently, Cerber was updated on October 4, 2026 and Alertap on October 9, 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.*