# Bios App vs Sitaf App

The clearest difference is update cadence: Sitaf App at every 2 weeks against Bios App's every 5 months. Sitaf App also leads on iOS requirement (9.0 vs 13.0). 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.

Bios App ships an update every 5 months, Sitaf App every 2 weeks. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Bios App | Sitaf App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 45 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Bios S.p.A](https://appshunter.io/developer/1014591582) | [Tigestim SA](https://appshunter.io/developer/1438083533) |

## What reviewers say

### Bios App

[App page](https://appshunter.io/ios/app/bios-app/id1014591583)

Access news from Bios Spa, view your lab results archive, and receive notifications when reports are ready. Streamline acceptance procedures with rapid check-in to reduce wait times.

**Highlights:** View news from Bios Spa, Access lab results archive, Receive report readiness notifications, Quick check-in for analysis, Streamline acceptance procedures

**Features:** macOS Compatibility

**In-app purchases:** none


### Sitaf App

[App page](https://appshunter.io/ios/app/sitaf-app/id1438498957)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bios App free?

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

### Is Sitaf App free?

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

### Do Bios App or Sitaf App have ads?

Neither Bios App nor Sitaf App shows ads.

### Which is updated more often, Bios App or Sitaf App?

Bios App ships an update every 5 months, and Sitaf App every 2 weeks. Most recently, Bios App was updated on October 14, 2026 and Sitaf App on September 30, 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.*