# WOWWW! vs Cert Checker

The clearest difference is update cadence: Cert Checker at every 4 months against WOWWW!'s every 15 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.

WOWWW! ships an update every 15 months, Cert Checker every 4 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | WOWWW! | Cert Checker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Size | 8 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A1 Telekom Austria AG](https://appshunter.io/developer/365712725) | [Verein Österreichisches Sprachdiplom Deutsch](https://appshunter.io/developer/1709478661) |

## What reviewers say

### WOWWW!

[App page](https://appshunter.io/ios/app/wowww/id898702729)

**In-app purchases:** none


### Cert Checker

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

**In-app purchases:** none


## Frequently asked questions

### Is WOWWW! free?

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

### Is Cert Checker free?

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

### Do WOWWW! or Cert Checker have ads?

Neither WOWWW! nor Cert Checker shows ads.

### Which is updated more often, WOWWW! or Cert Checker?

WOWWW! ships an update every 15 months, and Cert Checker every 4 months. Most recently, WOWWW! was updated on October 5, 2026 and Cert Checker 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.*