# B'Alert+ vs Nettz App

The clearest difference is iOS requirement: B'Alert+ at 15.1 against Nettz App's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | B'Alert+ | Nettz App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 307 MB | 38 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Servicios Profesionales Integrados Spa](https://appshunter.io/developer/1512266845) | [Nettz](https://appshunter.io/developer/1743324751) |

## What reviewers say

### B'Alert+

[App page](https://appshunter.io/ios/app/balert-plus/id1557524145)

This mobile app helps assess and manage fatigue and stress levels using health data, cognitive tests, and heart rate variability. It provides corrective interventions to support workplace fatigue management, aiming for more focused and alert workers with fewer accidents.

**Highlights:** Fatigue and stress level assessment, Cognitive testing, Heart Rate Variability (HRV) measurement, Corrective intervention recommendations, Sleep data integration from Apple Health, Objective and biometric measurements

**Features:** macOS Compatibility

**In-app purchases:** none


### Nettz App

[App page](https://appshunter.io/ios/app/nettz-app/id6788519535)

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

**In-app purchases:** none


## Frequently asked questions

### Is B'Alert+ free?

B'Alert+ is free to download, with no in-app purchases.

### Is Nettz App free?

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

### Do B'Alert+ or Nettz App have ads?

Neither B'Alert+ nor Nettz App shows ads.

### Which is updated more often, B'Alert+ or Nettz App?

B'Alert+ ships an update every 3 weeks, and Nettz App every 3 weeks. Most recently, B'Alert+ was updated on October 24, 2026 and Nettz App on October 25, 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.*