# Bio Recognizer AI vs Pfotenkodex

The clearest difference is in-app purchases: Bio Recognizer AI at none against Pfotenkodex's 2. Pfotenkodex's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pfotenkodex sells 2 in-app purchases, starting at $4.99 per month. Bio Recognizer AI asks for nothing beyond the download.

Bio Recognizer AI ships an update every 2 weeks, Pfotenkodex every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bio Recognizer AI | Pfotenkodex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 63 MB | 125 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [WEI YOU CHEN](https://appshunter.io/developer/1761014007) | [Ralf Ben Salah](https://appshunter.io/developer/6791223651) |

## What reviewers say

### Bio Recognizer AI

[App page](https://appshunter.io/ios/app/bio-recognizer-ai/id6743958742)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pfotenkodex

[App page](https://appshunter.io/ios/app/pfotenkodex/id6791223649)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monatlich | $4.99 | per month |
| Premium Jährlich | $39.90 | per year |


## Frequently asked questions

### Is Bio Recognizer AI free?

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

### Is Pfotenkodex free?

Pfotenkodex is free to download, with in-app purchases available.

### Do Bio Recognizer AI or Pfotenkodex have ads?

Neither Bio Recognizer AI nor Pfotenkodex shows ads.

### Which is updated more often, Bio Recognizer AI or Pfotenkodex?

Bio Recognizer AI ships an update every 2 weeks, and Pfotenkodex every 4 days. Most recently, Bio Recognizer AI was updated on October 30, 2026 and Pfotenkodex on October 31, 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.*