# Cert Checker vs Residence Manager

The clearest difference is update cadence: Cert Checker at every 4 months against Residence Manager's every 28 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.

Cert Checker ships an update every 4 months, Residence Manager every 28 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Cert Checker | Residence Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 28 months |
| Size | 20 MB | 29 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Verein Österreichisches Sprachdiplom Deutsch](https://appshunter.io/developer/1709478661) | [B&C Residence Manager Software GmbH](https://appshunter.io/developer/1723696319) |

## What reviewers say

### Cert Checker

[App page](https://appshunter.io/ios/app/cert-checker/id6469114252)

**In-app purchases:** none


### Residence Manager

[App page](https://appshunter.io/ios/app/residence-manager/id6475237387)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cert Checker free?

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

### Is Residence Manager free?

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

### Do Cert Checker or Residence Manager have ads?

Neither Cert Checker nor Residence Manager shows ads.

### Which is updated more often, Cert Checker or Residence Manager?

Cert Checker ships an update every 4 months, and Residence Manager every 28 months. Most recently, Cert Checker was updated on October 7, 2026 and Residence Manager on October 7, 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.*