# M3softwareFit vs ZentnlApp

The clearest difference is update cadence: ZentnlApp at every 2 weeks against M3softwareFit's monthly. 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.

M3softwareFit ships an update monthly, ZentnlApp every 2 weeks. The most recent releases landed on November 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | M3softwareFit | ZentnlApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 39 MB | 27 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M3Software](https://appshunter.io/developer/520851916) | [WAVR International AB](https://appshunter.io/developer/1755372558) |

## What reviewers say

### M3softwareFit

[App page](https://appshunter.io/ios/app/m3softwarefit-member/id986271591)

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

**In-app purchases:** none


### ZentnlApp

[App page](https://appshunter.io/ios/app/zentnlapp/id6738145678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M3softwareFit free?

M3softwareFit is free to download, with no in-app purchases.

### Is ZentnlApp free?

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

### Do M3softwareFit or ZentnlApp have ads?

Neither M3softwareFit nor ZentnlApp shows ads.

### Which is updated more often, M3softwareFit or ZentnlApp?

M3softwareFit ships an update monthly, and ZentnlApp every 2 weeks. Most recently, M3softwareFit was updated on November 1, 2026 and ZentnlApp on September 23, 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.*