# KnockQuiz vs Pi Academy

The clearest difference is ads: Pi Academy at none against KnockQuiz's shown. Pi Academy also leads on iOS requirement (15.1 vs 17.0). On price, 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.

## The numbers

| Metric | KnockQuiz | Pi Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 weeks |
| Size | 142 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Triggers Inc.](https://appshunter.io/developer/1688941083) | [Nischal Kc](https://appshunter.io/developer/6773161131) |

## What reviewers say

### KnockQuiz

[App page](https://appshunter.io/ios/app/knockquizearn-while-you-learn/id6749678260)

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

**In-app purchases:** none


### Pi Academy

[App page](https://appshunter.io/ios/app/pi-academy/id6773161129)

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

**In-app purchases:** none


## Frequently asked questions

### Is KnockQuiz free?

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

### Is Pi Academy free?

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

### Do KnockQuiz or Pi Academy have ads?

KnockQuiz shows ads; Pi Academy does not.

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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.*