# BuffMeter vs IJZER

The clearest difference is update cadence: BuffMeter at every 5 days against IJZER's every 2 weeks. IJZER's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BuffMeter sells 3 in-app purchases, starting at $4.99 per 7 days and IJZER sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

BuffMeter ships an update every 5 days, IJZER every 2 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BuffMeter | IJZER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/buffmeter-ai-body-fat-scanner/id6758816413/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 30 MB | 36 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 9+ |
| Developer | [Power Craft Training, LLC](https://appshunter.io/developer/1713622568) | [Thore Beelen](https://appshunter.io/developer/6799875536) |

## What reviewers say

### BuffMeter

[App page](https://appshunter.io/ios/app/buffmeter-ai-body-fat-scanner/id6758816413)

This app uses AI to analyze your physique from a photo, detailing muscle development and leanness. It generates personalized transformation images and provides daily targets for sleep, water, calories, protein, and training to help you achieve your fitness goals.

**Highlights:** AI physique analysis, Muscle development scoring, Personalized transformation visuals, Daily habit targets, Progress charting, Apple Health integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access – Weekly | $4.99 | per 7 days |
| Premium Access - Monthly | $19.99 | per month |
| Premium Access - Yearly | $49.99 | per year |


### IJZER

[App page](https://appshunter.io/ios/app/ijzer-workout-tracker/id6799875534)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $14.99 | per year |


## Frequently asked questions

### Is BuffMeter free?

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

### Is IJZER free?

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

### Do BuffMeter or IJZER have ads?

Neither BuffMeter nor IJZER shows ads.

### Which is updated more often, BuffMeter or IJZER?

BuffMeter ships an update every 5 days, and IJZER every 2 weeks. Most recently, BuffMeter was updated on November 5, 2026 and IJZER on November 6, 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.*