# IST Quiz App vs SciQuiz Premium

The clearest difference is price: IST Quiz App at Free against SciQuiz Premium's $0.99. IST Quiz App also leads on iOS requirement (13.0 vs 15.0). SciQuiz Premium's advantage is update cadence (every 3 months vs every 12 months). On ads, in-app purchases and device support there is nothing between them.

IST Quiz App is free to download; SciQuiz Premium costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

IST Quiz App ships an update every 12 months, SciQuiz Premium every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | IST Quiz App | SciQuiz Premium |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Size | 22 MB | 298 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) | [Jianfeng Wu](https://appshunter.io/developer/1435210283) |

## What reviewers say

### IST Quiz App

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

**Features:** macOS Compatibility

**In-app purchases:** none


### SciQuiz Premium

[App page](https://appshunter.io/ios/app/sciquiz-premium/id6751562075)

**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 SciQuiz Premium free?

SciQuiz Premium costs $0.99, with no in-app purchases.

### Do IST Quiz App or SciQuiz Premium have ads?

Neither IST Quiz App nor SciQuiz Premium shows ads.

### Which is updated more often, IST Quiz App or SciQuiz Premium?

IST Quiz App ships an update every 12 months, and SciQuiz Premium every 3 months. Most recently, IST Quiz App was updated on October 25, 2026 and SciQuiz Premium 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.*