Rules! vs Go4words
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rules!
Engage in a fast-paced, challenging, and fun puzzle game with a hundred levels. Features a daily brain workout for Apple Watch and animated stickers. Offers multiple game modes and unique mechanics.
- Daily Apple Watch brain workout
- Animated sticker pack
- Beginner, Expert, or Timeless game modes
- Multi-touch interface
- Color perception assistance
- Surprising new game mechanics
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• Includes a daily brain workout mini-game for Apple Watch • Includes animated sticker pack • App Store – Best Apple Watch Game of 2015 • App Store – Best of 2014 • German Developer Award 2014 – Best mobile Game • German Video Game Award 2015 – Best mobile Game • Pocket Gamer Awards 2015 Finalist Best Casual/Puzzle Game & Most Innovative Game RULES! is a cute puzzle game that's challenging, fast-paced and fun. • Choose your preferred type of game: Beginner, Expert or Timeless • “What’s presented here is a stylish, original, clever puzzle game that I’m having trouble putting down long enough to write this review.” ~ Gamezebo “A delightfully constructed memory test that grows in complexity and appeal the deeper in you go.” ~ Pocket Gamer “The Coding Monkeys have never released anything that wasn’t utterly brilliant, therefore Rules shall almost certainly be brilliant.” ~ Pocket Tactics Follow RULES! into a hundred level-deep maze of cuteness and order: • Multi-touch interface at its finest • Color perception assistance mode • Whales, Unicorns, Robots and Squirrels! • A plethora of surprising new game mechanics
Go4words
This word game challenges your vocabulary and quick thinking. Type words based on a given letter, avoiding mistakes and racing against the clock. Daily challenges offer varied modes like speed and reverse spelling to test your agility.
- Build your lexicon
- Type words based on a letter
- Time-based challenges
- Daily challenges
- Speed mode
- Reverse spelling mode
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Go4words is a word game where you get to show of your knowledge and build your own lexicon. Type in words based off of a given letter and don't make mistakes! Time is against you so best move quick! Daily challenges allow you to try out different modes of play like speed mode or spelling in revers that test your abilities to think on your feet.
Screenshots
Verdict
The clearest difference is price: Go4words at Free against Rules!'s $2.99. Go4words also leads on rating (5.0 vs 4.2) and update cadence (every 4 days vs monthly). Rules!'s advantage is in-app purchases (none vs 1) and ratings volume (67 vs 1). On 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
Go4words is free to download; Rules! costs $2.99 up front. Go4words sells 1 one-off in-app purchase. Rules! asks for nothing beyond the download.
Go4words holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Rules! has 67 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Rules!'s written reviews are positive against 100% of Go4words's.
Rules! ships an update monthly, Go4words every 4 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | Rules! | Go4words |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.2 (67 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 70.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 67 — better | 1 |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | #174 — better | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.2 — better | 17.6 |
| Further details — not scored | ||
| Size | 25 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | 137b | Daniel Justin Cawley |
Customer experience
Rules!
Go4words
Bugs and requests
Rules!
Reported bugs
2 issues- Freezing and crashing issues, especially on Apple Watch
- Unresponsive tapping on certain tiles
Requested features
5 requests- Option to save progress and continue from last level
- Randomized rule order
- Difficulty settings with longer time limits
- Colorblind accessibility options
- More game modes and challenges
Go4words
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rules!
No in-app purchases
Go4words
- 1000 Coins$0.99
