# Mensa am Main vs Ferment

The clearest difference is ads: Mensa am Main at none against Ferment's shown. Mensa am Main also leads on device support (3 vs 1) and iOS requirement (8.1 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Mensa am Main sells 1 one-off in-app purchase and Ferment sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Mensa am Main ships an update monthly, Ferment every 6 weeks. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Mensa am Main | Ferment |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 34 MB |
| Requires iOS | **8.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rainer Killinger](https://appshunter.io/developer/854590710) | [Rytis U](https://appshunter.io/developer/1890914933) |

## What reviewers say

### Mensa am Main

[App page](https://appshunter.io/ios/app/mensa-am-main/id854590707)

Find and filter university canteen menus in Frankfurt am Main based on your preferences. Get directions to canteens and view ingredient and allergen information. The app works offline and offers multi-language support.

**Highlights:** Filter by ingredients and allergens, Sort canteens by distance, Offline functionality, Navigation to canteens, Multi-language support, Customizable pricing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-freedom + favorite widget package | $0.99 | one-time |


### Ferment

[App page](https://appshunter.io/ios/app/ferment-fermentation-tracker/id6761690636)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferment Premium | $7.99 | per month |
| Ferment Premium | $49.99 | per year |


## Frequently asked questions

### Is Mensa am Main free?

Mensa am Main is free to download, with in-app purchases available.

### Is Ferment free?

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

### Do Mensa am Main or Ferment have ads?

Ferment shows ads; Mensa am Main does not.

### Which is updated more often, Mensa am Main or Ferment?

Mensa am Main ships an update monthly, and Ferment every 6 weeks. Most recently, Mensa am Main was updated on October 20, 2026 and Ferment on October 8, 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.*