# QuizKnock vs Sum + Sum

The clearest difference is ads: Sum + Sum at none against QuizKnock's shown. On price, in-app purchases, device support 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.

## The numbers

| Metric | QuizKnock | Sum + Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (71 ratings)](https://appshunter.io/ios/app/quizknock/id1475094074/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 82.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Ad-supported | — |
| Size | 20 MB | 38 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [baton Inc.](https://appshunter.io/developer/1021899705) | [Yu Takahashi](https://appshunter.io/developer/1896313229) |

## What reviewers say

### QuizKnock

[App page](https://appshunter.io/ios/app/quizknock/id1475094074)

Learn through engaging quizzes, articles, and puzzles. This educational media platform offers daily updates on news, useful knowledge, and in-depth columns. It also features interactive謎解き (nazotoki - puzzle-solving) and content linked to a popular YouTube channel.

**Highlights:** Daily updated articles, Interactive quiz articles, Puzzle and riddle challenges, YouTube channel integration, Article bookmarking, Progress tracking (accuracy rate)

**Features:** Vision Pro support

**In-app purchases:** none


### Sum + Sum

[App page](https://appshunter.io/ios/app/sum-plus-sum/id6775274428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QuizKnock free?

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

### Is Sum + Sum free?

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

### Do QuizKnock or Sum + Sum have ads?

QuizKnock shows ads; Sum + Sum 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.*