# Knowledge Quiz  ٞ vs HD Colors

The clearest difference is ads: HD Colors at none against Knowledge Quiz  ٞ's shown. HD Colors also leads on update cadence (every 2 days vs every 9 months). 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.

Knowledge Quiz  ٞ ships an update every 9 months, HD Colors every 2 days. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Knowledge Quiz  ٞ | HD Colors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/knowledge-quiz/id1453731907/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 29 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [Huseyin Demirtas](https://appshunter.io/developer/1738533705) |

## What reviewers say

### Knowledge Quiz  ٞ

[App page](https://appshunter.io/ios/app/knowledge-quiz/id1453731907)

Test your knowledge with a fun quiz game. Answer 10 questions from a vast database within a time limit to earn points and compare your score with other users. Enjoy a great design and user-friendly interface.

**Highlights:** Extensive question database, Timed challenges, Point-based scoring, Leaderboards, User-friendly design, Fast-paced gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### HD Colors

[App page](https://appshunter.io/ios/app/hd-colors/id6483306204)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knowledge Quiz  ٞ free?

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

### Is HD Colors free?

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

### Do Knowledge Quiz  ٞ or HD Colors have ads?

Knowledge Quiz  ٞ shows ads; HD Colors does not.

### Which is updated more often, Knowledge Quiz  ٞ or HD Colors?

Knowledge Quiz  ٞ ships an update every 9 months, and HD Colors every 2 days. Most recently, Knowledge Quiz  ٞ was updated on October 4, 2026 and HD Colors on October 10, 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.*