# Z vs Mainn

The clearest difference is iOS requirement: Z at 11.0 against Mainn's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Z ships an update weekly, Mainn every 9 days. The most recent releases landed on September 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Z | Mainn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 35 MB | 54 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alfred Zechner Ges.m.b.H.](https://appshunter.io/developer/1198178283) | [Tikit](https://appshunter.io/developer/1403128897) |

## What reviewers say

### Z

[App page](https://appshunter.io/ios/app/z-kalk-planungsassistent/id1582644922)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mainn

[App page](https://appshunter.io/ios/app/mainn/id6504693906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z free?

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

### Is Mainn free?

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

### Do Z or Mainn have ads?

Neither Z nor Mainn shows ads.

### Which is updated more often, Z or Mainn?

Z ships an update weekly, and Mainn every 9 days. Most recently, Z was updated on September 24, 2026 and Mainn on October 25, 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.*