# Metrya vs Parameter

The clearest difference is iOS requirement: Metrya at 15.1 against Parameter's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Metrya sells 2 in-app purchases, starting at $2.99 per month and Parameter sells 1 in-app purchase, starting at $1.00 per month. Whichever you choose, the download price is not the number that matters.

Metrya ships an update every 3 days, Parameter every 2 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Metrya | Parameter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/metrya-ai-health-advisor/id6760779874/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 77 MB | 20 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Radoslaw Jozefowicz](https://appshunter.io/developer/1859278240) | [JACOB CLINTON PEWITT YANCEY](https://appshunter.io/developer/6788824121) |

## What reviewers say

### Metrya

[App page](https://appshunter.io/ios/app/metrya-ai-health-advisor/id6760779874)

This app analyzes your Apple Health data using AI to provide personalized health insights and advice. It focuses on privacy by processing all data on your device, offering features like daily recovery scores, anomaly alerts, and biological age estimation.

**Highlights:** Private AI health insights, Apple Health data analysis, On-device data processing, Daily recovery score, Smart anomaly alerts, Biological age estimation, AI health chat

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Lifetime Premium | $9.99 | one-time |


### Parameter

[App page](https://appshunter.io/ios/app/parameter/id6788824119)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Parameter Monthly | $1.00 | per month |


## Frequently asked questions

### Is Metrya free?

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

### Is Parameter free?

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

### Do Metrya or Parameter have ads?

Neither Metrya nor Parameter shows ads.

### Which is updated more often, Metrya or Parameter?

Metrya ships an update every 3 days, and Parameter every 2 days. Most recently, Metrya was updated on October 18, 2026 and Parameter on October 8, 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.*