# METs Activity Tracker vs METsTracker

The clearest difference is update cadence: METs Activity Tracker at every 3 days against METsTracker's monthly. METs Activity Tracker also leads on iOS requirement (15.1 vs 26.5). 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.

METs Activity Tracker ships an update every 3 days, METsTracker monthly. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | METs Activity Tracker | METsTracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 33 MB | 2 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Atsushi Hasegawa](https://appshunter.io/developer/6791177305) | [Hidetoshi Okui](https://appshunter.io/developer/6802106817) |

## What reviewers say

### METs Activity Tracker

[App page](https://appshunter.io/ios/app/mets-activity-tracker/id6791177303)

**Features:** macOS Compatibility

**In-app purchases:** none


### METsTracker

[App page](https://appshunter.io/ios/app/metstracker/id6802106815)

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

**In-app purchases:** none


## Frequently asked questions

### Is METs Activity Tracker free?

METs Activity Tracker is free to download, with no in-app purchases.

### Is METsTracker free?

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

### Do METs Activity Tracker or METsTracker have ads?

Neither METs Activity Tracker nor METsTracker shows ads.

### Which is updated more often, METs Activity Tracker or METsTracker?

METs Activity Tracker ships an update every 3 days, and METsTracker monthly. Most recently, METs Activity Tracker was updated on September 30, 2026 and METsTracker on October 4, 2026.

---

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