Synonymy Lite vs PrimeXTime
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Synonymy Lite
This educational word game challenges you to find a path between random words by navigating through their synonyms. It features narration by Richard Dawkins and a unique word network visualization. The lite version offers an ad-free experience with some restrictions.
- Synonym pathfinding gameplay
- Narration by Richard Dawkins
- Word network visualization
- Ad-free experience
- Charitable donations
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Synonymy is a non-profit, educational word game narrated by Richard Dawkins that challenges players to find a path between random words through their network of synonyms. By taking the synonym of a word, and then a synonym of that synonym, and so on, you can ultimately arrive at any other word in the English language. Version 3.0 has been rebuilt behind the scenes to make the game easier and more fun without sacrificing the spirit of the game. The lite version now has no external ads, just a pop-up prompt to buy the full version. Website: www.synonymy-game.com ————————————————— Try the game Stephen Fry and Steven Pinker are tweeting about! A lite version of the game with ads and restrictions on multiplayer and difficulty settings. The Full Game supports unrestricted multiplayer, and weekly challenges in which users can compete globally on set start and end words. Every time a path is uncovered by a user, it is tweeted from @synonymywords and posted to our Facebook page. Synonymy is the first game by filmmaker Christopher Cinq-Mars Jarvis and is narrated by world-renowned author and biologist, Richard Dawkins. All profits go to various charitable, education-based foundations. ** Works best using iPhone 5/iPad 2 or later and iOS8 or later. Requires iOS7 or later. The game seems to work on older devices but performance might suffer. Please address any concerns to www.synonymy-game.com/#contact A visualization of the game's network can be seen here -- http://www.gigapan.com/gigapans/159329 -- In order to compute relative distance, all synonyms were mapped using 3d graphing software, as if each word were a planet that had a gravitational pull proportional to its number of relationships to other nodes. Above is a 2D representation of that model, a 40,000 x 40,000 image.
PrimeXTime
Engage your mind with a unique number-based puzzle game. Start with a random number and strategically divide by single-digit primes. Bump the number by multiplying by 10 and adding a digit to reach 1 and win.
- Number division by primes
- Strategic bumping mechanic
- Goal to reduce number to 1
- Brain exercise gameplay
- Simple, intuitive interface
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Kill some time and give your brain a little exercise at the same time with this simple game. You start with a random number and then start dividing by single-digit primes (2, 3, 5 or 7). When you can't do any more divisions you 'bump' the number -- multiplying by 10 and adding any single digit. You win the game by reducing the original number to 1.
Screenshots
Verdict
Synonymy Lite and PrimeXTime both sit at 5.0 stars, but that hides the real split: 100% of PrimeXTime's written reviews are positive against 50% of Synonymy Lite's. Synonymy Lite's advantage is ratings volume (7 vs 2) and iOS requirement (6.0 vs 17.6). On price, rating, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Synonymy Lite against 5.0 for PrimeXTime. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews are what separate them: 50% of Synonymy Lite's written reviews are positive against 100% of PrimeXTime's.
Synonymy Lite ships an update every 5 months, PrimeXTime every 4 months. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.
| Parameter | Synonymy Lite | PrimeXTime |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (2 ratings) |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 6.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 105 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Cinq-Mars Media | Rick Hutchinson |
Customer experience
Synonymy Lite
PrimeXTime
In-app purchases
Synonymy Lite
No in-app purchases
PrimeXTime
No in-app purchases









