# Peptide Tracker & Calculator vs Metre

The clearest difference is update cadence: Peptide Tracker & Calculator at every 2 days against Metre's every 5 days. Peptide Tracker & Calculator also leads on iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Peptide Tracker & Calculator sells 4 in-app purchases, starting at $3.99 per month and Metre sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Tracker & Calculator ships an update every 2 days, Metre every 5 days. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Peptide Tracker & Calculator | Metre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (581 ratings)](https://appshunter.io/ios/app/peptide-tracker-and-calculator/id6744902384/reviews)** | — |
| Number of ratings | **581** | — |
| Positive reviews | 70.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 9 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [David Dzeveckij](https://appshunter.io/developer/1808720973) | [Metre](https://appshunter.io/developer/1832382443) |

## What reviewers say

### Peptide Tracker & Calculator

[App page](https://appshunter.io/ios/app/peptide-tracker-and-calculator/id6744902384)

This app helps you meticulously track and calculate peptide dosages, inventory, and injection sites. It provides smart alerts for low stock and detailed logs of your usage history for research, fitness, or therapeutic protocols. Your data is stored securely and privately on your device.

**Highlights:** Comprehensive peptide inventory management, Precise dosing log and calculation support, Intelligent injection site rotation tracking, Smart low stock alerts, Detailed dose history review, Secure local data storage

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full App Access (Monthly) | $3.99 | per month |
| Full App Access (Monthly) | $4.99 | per month |
| Full App Access (Yearly) | $19.99 | per year |
| Full App Access (Yearly) | $24.99 | per year |


### Metre

[App page](https://appshunter.io/ios/app/metre-workout-timer/id6758544450)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| 3 Months | $4.99 | per 3 months |


## Frequently asked questions

### Is Peptide Tracker & Calculator free?

Peptide Tracker & Calculator is free to download, with in-app purchases available.

### Is Metre free?

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

### Do Peptide Tracker & Calculator or Metre have ads?

Neither Peptide Tracker & Calculator nor Metre shows ads.

### Which is updated more often, Peptide Tracker & Calculator or Metre?

Peptide Tracker & Calculator ships an update every 2 days, and Metre every 5 days. Most recently, Peptide Tracker & Calculator was updated on October 25, 2026 and Metre on October 20, 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.*