# IST Quiz App vs trinamiX Guide

The clearest difference is update cadence: trinamiX Guide at every 6 weeks against IST Quiz App's every 12 months. IST Quiz App's advantage is iOS requirement (13.0 vs 15.0). 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.

IST Quiz App ships an update every 12 months, trinamiX Guide every 6 weeks. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | IST Quiz App | trinamiX Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Size | 22 MB | 167 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patricia Pauli](https://appshunter.io/developer/1587769862) | [trinamiX GmbH](https://appshunter.io/developer/1540117637) |

## What reviewers say

### IST Quiz App

[App page](https://appshunter.io/ios/app/ist-quiz-app/id1491663052)

**Features:** macOS Compatibility

**In-app purchases:** none


### trinamiX Guide

[App page](https://appshunter.io/ios/app/trinamix-guide/id6667113447)

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

**In-app purchases:** none


## Frequently asked questions

### Is IST Quiz App free?

IST Quiz App is free to download, with no in-app purchases.

### Is trinamiX Guide free?

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

### Do IST Quiz App or trinamiX Guide have ads?

Neither IST Quiz App nor trinamiX Guide shows ads.

### Which is updated more often, IST Quiz App or trinamiX Guide?

IST Quiz App ships an update every 12 months, and trinamiX Guide every 6 weeks. Most recently, IST Quiz App was updated on October 25, 2026 and trinamiX Guide on November 4, 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.*