# Synonyms Quiz vs Impossible Speed Reading Game

The clearest difference is in-app purchases: Synonyms Quiz at none against Impossible Speed Reading Game's 3. Synonyms Quiz also leads on rating (4.7 vs 4.2) and review sentiment (89% vs 79%). Impossible Speed Reading Game's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Impossible Speed Reading Game sells 3 one-off in-app purchases. Synonyms Quiz asks for nothing beyond the download.

Synonyms Quiz holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 681 and 139 respectively. Written reviews point the same way: 89% of Synonyms Quiz's written reviews are positive against 79% of Impossible Speed Reading Game's.

Synonyms Quiz ships an update every 11 months, Impossible Speed Reading Game every 10 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Synonyms Quiz | Impossible Speed Reading Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (681 ratings)](https://appshunter.io/ios/app/synonyms-quiz/id561027523/reviews)** | [4.2 (139 ratings)](https://appshunter.io/ios/app/impossible-speed-reading-game/id930126403/reviews) |
| Number of ratings | **681** | 139 |
| Positive reviews | **89.0% of reviews** | 79.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 10 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 47 MB | 13 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fresh Logo SRL](https://appshunter.io/developer/399592524) | [GammaLateral LLC](https://appshunter.io/developer/685178329) |

## What reviewers say

### Synonyms Quiz

[App page](https://appshunter.io/ios/app/synonyms-quiz/id561027523)

Challenge your vocabulary with a fun synonym game. Select the correct synonym from multiple choices and learn definitions for over 3800 words. Compete with others and track your progress.

**Highlights:** Synonym matching game, Over 3800 words, Word definitions, Leaderboard competition, Achievements, iCloud sync

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging vocabulary game
- 🧠 Helps improve and expand vocabulary
- 💡 Useful for language learners and students
- 🧠 Keeps the brain active and challenged
- 🧠 Great for lifelong learning

**What reviewers complain about**

- 🐛 Some words have spelling mistakes
- 💡 Lack of difficulty levels or progression
- 💡 No option to see word definitions
- 💡 No way to review or repeat missed words
- 🐛 Occasional performance issues or crashes

**Reported bugs**

- Spelling errors in some words
- Occasional crashes or performance issues
- Compatibility problems with newer iOS versions

**Requested features**

- Add difficulty levels or progression
- Include word definitions and pronunciations
- Ability to review or repeat missed words
- Option to save favorite words or create custom lists
- Improved performance and compatibility with newer OS versions


### 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 Synonyms Quiz free?

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

### Is Impossible Speed Reading Game free?

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

### Which has better reviews, Synonyms Quiz or Impossible Speed Reading Game?

Synonyms Quiz is rated higher. Synonyms Quiz averages 4.7 out of 5 from 681 ratings, while Impossible Speed Reading Game averages 4.2 from 139 ratings.

### Do Synonyms Quiz or Impossible Speed Reading Game have ads?

Synonyms Quiz shows ads; Impossible Speed Reading Game does not.

### Which is updated more often, Synonyms Quiz or Impossible Speed Reading Game?

Synonyms Quiz ships an update every 11 months, and Impossible Speed Reading Game every 10 months. Most recently, Synonyms Quiz was updated on November 1, 2026 and Impossible Speed Reading Game on October 24, 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.*