# Tec4App vs Sentinel Pro

The clearest difference is update cadence: Sentinel Pro at every 3 weeks against Tec4App's every 2 months. Sentinel Pro also leads on iOS requirement (13.0 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, Sentinel Pro every 3 weeks. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Tec4App | Sentinel Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 112 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tec4med Lifescience GmbH](https://appshunter.io/developer/1526429525) | [Ben Software Ltd](https://appshunter.io/developer/1142125927) |

## What reviewers say

### Tec4App

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

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

**In-app purchases:** none


### Sentinel Pro

[App page](https://appshunter.io/ios/app/sentinel-pro/id1581444500)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tec4App free?

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

### Is Sentinel Pro free?

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

### Do Tec4App or Sentinel Pro have ads?

Neither Tec4App nor Sentinel Pro shows ads.

### Which is updated more often, Tec4App or Sentinel Pro?

Tec4App ships an update every 2 months, and Sentinel Pro every 3 weeks. Most recently, Tec4App was updated on September 14, 2026 and Sentinel Pro on September 21, 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.*