Synonyms Quiz vs One Brain
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Synonyms Quiz
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.
- Synonym matching game
- Over 3800 words
- Word definitions
- Leaderboard competition
- Achievements
- iCloud sync
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--- Synonyms Quiz - Play & Learn --- How good are you at synonyms? Test your knowledge with Synonyms Quiz! Choose the right synonym from the 4 alternatives provided. 2 attempts allowed! Synonyms Quiz contains a vocabulary of more than 3800 words (nouns, verbs and adjectives) and uses the Princeton University's open source word database, WordNet®. You can find an accurate definition for every word at the end of each game. Synonyms Quiz is for fun, for keeping your mind sharp or preparing for English language tests (GRE, TOEIC, TOEFL, ESL/EFL, GMAT, SAT). Features + Universal app with support for iPhone 5 + Learn : type any word to find synonyms and check the definitions + GameCenter: compete on 2 leaderboards and try to earn 20 achievements + iCloud Sync: sync your game progress across multiple devices + iPhone and iPad Retina graphics
One Brain
Test your cognitive abilities with a game inspired by the Stroop effect. Quickly identify matching colors, arrow directions, or true/false math equations under time pressure. Challenge your brain to process conflicting information and achieve high scores.
- Stroop effect inspired gameplay
- Color matching challenges
- Arrow direction tests
- Math equation verification
- Timed gameplay
- Score tracking
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One Brain is inspired by the Stroop effect, a famous psychological test that measures how well you handle conflicting information. For example, it's harder to name the color of a word when the word itself spells a different color. This game challenges your whole brain as you fight to process the mixed signals and make the right call before time runs out. Game modes: • Colors: Does the word match the color it's written in? • Arrows: Is the arrow actually pointing the way it says it is? • Numbers: Is the math equation true or false? • Words: Which word matches the definition? How high can you score under pressure?
Screenshots
Verdict
The clearest difference is in-app purchases: Synonyms Quiz at none against One Brain's 1. Synonyms Quiz also leads on review sentiment (89% vs 59%) and rating (4.7 vs 4.4). One Brain's advantage is update cadence (weekly vs every 11 months). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. One Brain sells 1 one-off in-app purchase. Synonyms Quiz asks for nothing beyond the download.
Synonyms Quiz holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 680 and 297 respectively. Written reviews point the same way: 89% of Synonyms Quiz's written reviews are positive against 59% of One Brain's.
Synonyms Quiz ships an update every 11 months, One Brain weekly. Both last shipped on October 29, 2026.
| Parameter | Synonyms Quiz | One Brain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (680 ratings) — better | 4.4 (297 ratings) |
| Positive reviews | 89.0% of reviews — better | 58.6% of reviews |
| Number of ratings | 680 — better | 297 |
| Update frequency | Every 11 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Requires iOS | 15.0 | 15 |
| Further details — not scored | ||
| Size | 47 MB | 10 MB |
| Age rating | 4+ | +4 |
| Developer | Fresh Logo SRL | Erik Wegener |
Customer experience
Synonyms Quiz
One Brain
User reviews
Synonyms Quiz
From 680 App Store ratingsWhat we love
- 👍 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
Room to improve
- 🐛 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
One Brain
From 297 App Store ratingsWhat we love
- 👍 Simple and effective brain training
- 🧠 Helps improve focus and concentration
- 🤯 Challenging and addictive gameplay
Room to improve
- ⏱️ Timer is too short, needs more time
- 🙄 Excessive ads and interruptions
- 🤖 Inconsistent scoring and feedback
Bugs and requests
Synonyms Quiz
Reported bugs
3 issues- Spelling errors in some words
- Occasional crashes or performance issues
- Compatibility problems with newer iOS versions
Requested features
5 requests- 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
One Brain
Reported bugs
3 issues- Incorrect registering of correct answers
- Crashes and freezes on certain devices
- Keyboard controls not working as expected
Requested features
3 requests- Adjustable difficulty levels
- More game modes and variations
- Option to disable ads or pay for ad-free version
In-app purchases
Synonyms Quiz
No in-app purchases
One Brain
- Remove Ads$0.99
Questions
Is Synonyms Quiz free?
Is One Brain free?
Which has better reviews, Synonyms Quiz or One Brain?
Do Synonyms Quiz or One Brain have ads?
Which is updated more often, Synonyms Quiz or One Brain?
Other comparisons
