# Tec4App vs CheckerCovi

The clearest difference is update cadence: CheckerCovi at every 10 days against Tec4App's every 2 months. CheckerCovi also leads on iOS requirement (12.0 vs 15.0). 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.

Tec4App ships an update every 2 months, CheckerCovi every 10 days. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tec4App | CheckerCovi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/checkercovi/id1583202016/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 112 MB | 49 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tec4med Lifescience GmbH](https://appshunter.io/developer/1526429525) | [Makrolog Content Management AG](https://appshunter.io/developer/677693757) |

## What reviewers say

### Tec4App

[App page](https://appshunter.io/ios/app/tec4app/id1526429523)

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

**In-app purchases:** none


### CheckerCovi

[App page](https://appshunter.io/ios/app/checkercovi/id1583202016)

Easily and securely check 2G and 3G compliance for your venue or event. Features contactless scanning for digital EU COVID certificates and manual entry for non-digital proof, with an integrated visitor counter. It is completely and permanently ad-free.

**Highlights:** 2G and 3G rule compliance, Contactless multi-scan function, Scans digital EU COVID certificates, Supports non-digital proof entry, Integrated visitor counter, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tec4App free?

Tec4App is free to download, with no in-app purchases.

### Is CheckerCovi free?

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

### Do Tec4App or CheckerCovi have ads?

Neither Tec4App nor CheckerCovi shows ads.

### Which is updated more often, Tec4App or CheckerCovi?

Tec4App ships an update every 2 months, and CheckerCovi every 10 days. Most recently, Tec4App was updated on October 25, 2026 and CheckerCovi 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.*