# PROZENTBUCH vs Bio Mio

The clearest difference is update cadence: Bio Mio at every 2 months against PROZENTBUCH's every 6 months. Bio Mio also leads on iOS requirement (10.0 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.

PROZENTBUCH ships an update every 6 months, Bio Mio every 2 months. The most recent releases landed on September 22, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | PROZENTBUCH | Bio Mio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 17 MB | 12 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [pro100 network schweiz ag](https://appshunter.io/developer/453754989) | [Bio Mio Gemuse Abo GmbH](https://appshunter.io/developer/1583748498) |

## What reviewers say

### PROZENTBUCH

[App page](https://appshunter.io/ios/app/prozentbuch/id459690263)

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

**In-app purchases:** none


### Bio Mio

[App page](https://appshunter.io/ios/app/bio-mio/id1583748496)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PROZENTBUCH free?

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

### Is Bio Mio free?

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

### Do PROZENTBUCH or Bio Mio have ads?

Neither PROZENTBUCH nor Bio Mio shows ads.

### Which is updated more often, PROZENTBUCH or Bio Mio?

PROZENTBUCH ships an update every 6 months, and Bio Mio every 2 months. Most recently, PROZENTBUCH was updated on September 22, 2026 and Bio Mio on May 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*