# Biometryx vs Loopy Biological Age Tracker

The clearest difference is device support: Biometryx at 3 against Loopy Biological Age Tracker's 1. Biometryx also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Biometryx sells 2 in-app purchases, starting at $12.99 per month and Loopy Biological Age Tracker sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Biometryx ships an update monthly, Loopy Biological Age Tracker every 3 weeks. The most recent releases landed on September 19, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Biometryx | Loopy Biological Age Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 64 MB | 165 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Stoyan Grozdanov](https://appshunter.io/developer/1882375329) | [Bekircan Altuntas](https://appshunter.io/developer/1896323404) |

## What reviewers say

### Biometryx

[App page](https://appshunter.io/ios/app/biometryx/id6760023183)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Biometryx Pro Monthly | $12.99 | per month |
| Biometryx Pro Annual | $99.00 | per year |


### Loopy Biological Age Tracker

[App page](https://appshunter.io/ios/app/loopy-biological-age-tracker/id6766768533)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loopy Premium Weekly | $6.99 | per 7 days |
| Loopy Premium Yearly Offer | $49.99 | per year |
| Loopy Premium Yearly | $79.99 | per year |


## Frequently asked questions

### Is Biometryx free?

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

### Is Loopy Biological Age Tracker free?

Loopy Biological Age Tracker is free to download, with in-app purchases available.

### Do Biometryx or Loopy Biological Age Tracker have ads?

Neither Biometryx nor Loopy Biological Age Tracker shows ads.

### Which is updated more often, Biometryx or Loopy Biological Age Tracker?

Biometryx ships an update monthly, and Loopy Biological Age Tracker every 3 weeks. Most recently, Biometryx was updated on September 19, 2026 and Loopy Biological Age Tracker on August 9, 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.*