# Brain Out vs Knowledge Quiz KH

The clearest difference is in-app purchases: Knowledge Quiz KH at none against Brain Out's 10. Knowledge Quiz KH also leads on update cadence (weekly vs every 3 weeks). Brain Out's advantage is ratings volume (248K vs 17) and chart position (#79 vs unranked). On price, rating, ads and device support there is nothing between them.

Both are free to download. Brain Out sells 10 one-off in-app purchases. Knowledge Quiz KH asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Brain Out against 4.7 for Knowledge Quiz KH. That said, the two scores are not equally well evidenced: Brain Out has 248K ratings behind it against 17, so its average is the more settled of the two.

Brain Out ships an update every 3 weeks, Knowledge Quiz KH weekly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Brain Out | Knowledge Quiz KH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (248K ratings)](https://appshunter.io/ios/app/brain-out-tricky-riddle-games/id1477841973/reviews) | **[4.7 (17 ratings)](https://appshunter.io/ios/app/knowledge-quiz-kh/id1570748306/reviews)** |
| Number of ratings | **248K** | 17 |
| Positive reviews | 61.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#79** | — |
| Size | 293 MB | 20 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [EYEWIND LIMITED](https://appshunter.io/developer/1317690197) | [Phearoth Phen](https://appshunter.io/developer/925021535) |

## What reviewers say

### Brain Out

[App page](https://appshunter.io/ios/app/brain-out-tricky-riddle-games/id1477841973)

**Currently charting:** #79 Top Free · Word (US App Store)

Challenge your mind with this addictive puzzle game featuring tricky brain teasers and absurd solutions. It tests your logical thinking, reflexes, and creativity with unexpected answers that subvert normal thinking. Experience a unique blend of knowledge and humor to boost your brain power.

**Highlights:** Tricky brain teasers, Absurd solutions, Tests logical thinking, Tests reflexes and accuracy, Tests memory and creativity, Unimagined gameplay

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Key x 10 | $1.99 | one-time |
| Key x 5 | $1.99 | one-time |
| Weekly Card | $1.99 | one-time |
| Key x 20 | $2.99 | one-time |
| Key x 10 | $2.99 | one-time |
| Key x 40 | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Remove Ads + 10tips | $4.99 | one-time |
| Great Value | $4.99 | one-time |
| Key x 50 | $9.99 | one-time |

**What reviewers like**

- 🧠 Challenges the mind
- 🤔 Encourages out-of-the-box thinking
- 🎨 Unique and creative puzzles
- 🧠 Helps improve problem-solving skills
- 🕹️ Fun and addictive gameplay

**What reviewers complain about**

- 💸 Too many ads interrupting gameplay
- 🤔 Obscure and illogical solutions
- 🤯 Frustrating when hints don't help
- 🤷‍♂️ Inconsistent grammar and wording
- 🕰️ Levels can be completed too quickly

**Reported bugs**

- Levels with glitches or unresponsive controls
- Issues with ad playback and inability to exit ads
- Inconsistent behavior when using hints or keys

**Requested features**

- More levels and content updates
- Ability to skip levels without using hints
- Improved hint system that actually provides useful guidance
- Option to disable ads for a one-time fee
- Better balance between easy, medium, and challenging puzzles


### Knowledge Quiz KH

[App page](https://appshunter.io/ios/app/knowledge-quiz-kh/id1570748306)

Test your general knowledge with this fun multiple-choice quiz game. Compete with players worldwide, learn new facts across various categories, and aim for high scores. It offers hints and lives to help you progress.

**Highlights:** Thousands of multiple choice questions, Multiple categories (History, Science, Sports, etc.), High scores and online leaderboards, Hints and lives system, Fast-paced answering for bonus points, Beautiful graphics

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Out free?

Brain Out is free to download, with in-app purchases available.

### Is Knowledge Quiz KH free?

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

### Which has better reviews, Brain Out or Knowledge Quiz KH?

Knowledge Quiz KH is rated higher. Brain Out averages 4.6 out of 5 from 248K ratings, while Knowledge Quiz KH averages 4.7 from 17 ratings.

### Do Brain Out or Knowledge Quiz KH have ads?

Both Brain Out and Knowledge Quiz KH show ads.

### Which is updated more often, Brain Out or Knowledge Quiz KH?

Brain Out ships an update every 3 weeks, and Knowledge Quiz KH weekly. Most recently, Brain Out was updated on November 6, 2026 and Knowledge Quiz KH on November 3, 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.*