# KcalCounter vs METs Activity Tracker

The clearest difference is in-app purchases: METs Activity Tracker at none against KcalCounter's 3. METs Activity Tracker also leads on ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. KcalCounter sells 3 in-app purchases, starting at $1.99 per month. METs Activity Tracker asks for nothing beyond the download.

KcalCounter ships an update every 6 weeks, METs Activity Tracker every 3 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | KcalCounter | METs Activity Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 11 MB | 33 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yamashita](https://appshunter.io/developer/1842479619) | [Atsushi Hasegawa](https://appshunter.io/developer/6791177305) |

## What reviewers say

### KcalCounter

[App page](https://appshunter.io/ios/app/kcalcounter-calorie-tracker/id6755997519)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $1.99 | per month |
| Pro (Yearly) | $5.99 | per year |
| Pro (Lifetime) | $9.99 | one-time |


### METs Activity Tracker

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KcalCounter free?

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

### Is METs Activity Tracker free?

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

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

KcalCounter shows ads; METs Activity Tracker does not.

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

KcalCounter ships an update every 6 weeks, and METs Activity Tracker every 3 days. Most recently, KcalCounter was updated on October 11, 2026 and METs Activity Tracker on October 15, 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.*