# Mainz Campus2Go vs GESIS SMART

The clearest difference is review sentiment: Mainz Campus2Go at 100% against GESIS SMART's 50%. Mainz Campus2Go also leads on update cadence (every 10 days vs every 2 months) and device support (4 vs 1). GESIS SMART's advantage is monetization model (free vs ad-supported). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Mainz Campus2Go ships an update every 10 days, GESIS SMART every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mainz Campus2Go | GESIS SMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/mainz-campus2go/id1635113639/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 104 MB | 28 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UniNow GmbH](https://appshunter.io/developer/1099302123) | [GESIS - Leibniz Institute for the Social Sciences](https://appshunter.io/developer/1735286430) |

## What reviewers say

### Mainz Campus2Go

[App page](https://appshunter.io/ios/app/mainz-campus2go/id1635113639)

This app helps students manage their university life by providing a digital student ID, timetable, grade tracking, and library access. It also offers access to university emails, canteen menus, and other essential campus information.

**Highlights:** Digital student ID and semester ticket, Timetable and appointment management, Grade point average calculation, Library book loan tracking and renewal, University email access, Canteen menu and campus information

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


### GESIS SMART

[App page](https://appshunter.io/ios/app/gesis-smart/id6479244351)

Participate in academic research by completing surveys and questionnaires directly within the app. Track your progress and compensation for contributing to studies. Requires an access code to join specific research projects.

**Highlights:** Complete questionnaires in-app, Track study progress, View compensation details, Receive push notifications for new surveys, Secure and pseudonymized data storage, Control data sharing permissions

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

**In-app purchases:** none


## Frequently asked questions

### Is Mainz Campus2Go free?

Mainz Campus2Go is free to download, with no in-app purchases.

### Is GESIS SMART free?

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

### Do Mainz Campus2Go or GESIS SMART have ads?

Neither Mainz Campus2Go nor GESIS SMART shows ads.

### Which is updated more often, Mainz Campus2Go or GESIS SMART?

Mainz Campus2Go ships an update every 10 days, and GESIS SMART every 2 months. Most recently, Mainz Campus2Go was updated on November 3, 2026 and GESIS SMART on October 30, 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.*