# Brain Teasers vs Impossible Speed Reading Game

The clearest difference is rating: Impossible Speed Reading Game at 4.2 against Brain Teasers's 3.7. Impossible Speed Reading Game also leads on ads (none vs shown) and review sentiment (79% vs 52%). Brain Teasers's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (2.5K vs 139). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Brain Teasers sells 3 one-off in-app purchases and Impossible Speed Reading Game sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Impossible Speed Reading Game holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: Brain Teasers has 2.5K ratings behind it against 139, so its average is the more settled of the two. Written reviews point the same way: 52% of Brain Teasers's written reviews are positive against 79% of Impossible Speed Reading Game's.

Brain Teasers ships an update every 2 months, Impossible Speed Reading Game every 10 months. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Brain Teasers | Impossible Speed Reading Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (2.5K ratings)](https://appshunter.io/ios/app/brain-teasers-thinking-games/id848312533/reviews) | **[4.2 (139 ratings)](https://appshunter.io/ios/app/impossible-speed-reading-game/id930126403/reviews)** |
| Number of ratings | **2.5K** | 139 |
| Positive reviews | 52.0% of reviews | **79.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 13 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Games for Friends LLC](https://appshunter.io/developer/732493364) | [GammaLateral LLC](https://appshunter.io/developer/685178329) |

## What reviewers say

### Brain Teasers

[App page](https://appshunter.io/ios/app/brain-teasers-thinking-games/id848312533)

Engage in a variety of riddles, logic puzzles, and math challenges to sharpen your mind. Test your lateral thinking and problem-solving skills with hundreds of brain teasers. Share puzzles with friends and track your progress through various difficulty levels.

**Highlights:** Hundreds of brain teasers, Riddles, logic, lateral thinking, numerical puzzles, Track puzzle progress, Save favorite puzzles, Challenge friends, Adjustable difficulty levels

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Go PRO | $2.99 | one-time |
| Unlock 150 Questions | $2.99 | one-time |

**What reviewers like**

- 🤩 Challenging brain teasers
- 👍 Simple and easy to use
- 🧠 Exercises the mind

**What reviewers complain about**

- 🤬 Excessive ads and pop-ups
- 🤔 Confusing or illogical riddles
- 🙄 Repetitive questions
- 🙃 Forced reviews to see answers

**Reported bugs**

- Answers not matching the given information
- Screen going black after ads
- Inability to navigate between questions

**Requested features**

- More variety of brain teasers
- Ability to save progress and return to previous questions
- Option to disable ads or pay for ad-free version


### Impossible Speed Reading Game

[App page](https://appshunter.io/ios/app/impossible-speed-reading-game/id930126403)

Test your reading speed with this challenging game. It's a simple yet difficult exercise designed to push your comprehension abilities to their limits. See how fast you can truly read.

**Highlights:** Extreme speed reading exercise, Challenging gameplay, Skill-based testing, Simple interface, Impossible difficulty

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 30 Hints | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Get 90 Hints | $1.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging game
- 🧠 Good for memory and concentration
- 🚀 Improves reading speed
- 💡 Interesting approach to reading improvement
- 💪 Great for sharpening the eye and mind

**What reviewers complain about**

- 😵 Sentences lack logical meaning
- 😵 Gibberish sentences
- 😵 Not a reading helper, more a memory helper
- 😵 Focus on perfect recall over meaning
- 😵 Ads in inconvenient places

**Reported bugs**

- Ads play over questions
- Duplicate or multiple correct answers
- App doesn't start

**Requested features**

- Progressing by stages of difficulties (short/medium/long sentences, slow/medium/fast speed)
- Way to discover reading speed within the app
- Sentences that make sense (historic facts, social studies, etc.)
- Option to change font and size
- Indication of actual word speed


## Frequently asked questions

### Is Brain Teasers free?

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

### Is Impossible Speed Reading Game free?

Impossible Speed Reading Game is free to download, with in-app purchases available.

### Which has better reviews, Brain Teasers or Impossible Speed Reading Game?

Impossible Speed Reading Game is rated higher. Brain Teasers averages 3.7 out of 5 from 2.5K ratings, while Impossible Speed Reading Game averages 4.2 from 139 ratings.

### Do Brain Teasers or Impossible Speed Reading Game have ads?

Brain Teasers shows ads; Impossible Speed Reading Game does not.

### Which is updated more often, Brain Teasers or Impossible Speed Reading Game?

Brain Teasers ships an update every 2 months, and Impossible Speed Reading Game every 10 months. Most recently, Brain Teasers was updated on October 19, 2026 and Impossible Speed Reading Game on October 12, 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.*