Cross Math vs Prime Merge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Cross Math
Engage your mind with a math puzzle game that uses addition, subtraction, multiplication, and division. Progress through increasingly difficult levels, track your performance, and enjoy daily challenges to sharpen your logic and math skills.
- Arithmetic puzzles (add, subtract, multiply, divide)
- Progressive difficulty levels
- Unlimited undo function
- In-game hints
- Progress statistics
- Daily challenges
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Cross Math is a very interesting math puzzle game. The math puzzles in the game are composed of addition, subtraction, multiplication and division, which can exercise your thinking logic. The game has levels composed of math puzzles of different difficulties. The higher the level of the level, the more difficult the math puzzles are. You can see yourself improving because of this game. We also hope that you can improve your math level because of our game. Main Features - Use addition, subtraction, multiplication and division to complete math puzzles! - Levels. The step-by-step gameplay helps you to continuously improve yourself! - Unlimited Undo. Fill in the wrong number? Don't worry, you can easily undo it with just one click! - Hints. Clicking on the hint can help you solve the puzzle! - Statistics. Your progress statistics will help you record and strive for a new high score in each game! Highlights - Challenge levels to increase your level and witness yourself getting stronger. - Improve your math level while enjoying the game. - Daily Challenges. Solve a Cross Math puzzle every day to keep the neurologist away. Cross Math puzzles are the perfect way to improve your math skills and get a feel for math in the process, so give it a try and have some fun! Challenge your brain with math games, download and play Cross Math now!
Prime Merge
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Slide the tiles, merge matching numbers, and work your way up through the PRIMES! Prime Merge is a fresh twist on the classic 2048-style puzzle — but here, only prime numbers appear: 2, 3, 5, 7, 11… Simple to pick up, tricky to master. Can you reach the theoretical maximum of 59? ▼ Perfect for you if you love • 2048 and number-merge puzzles • Quick brain-teasers for your commute • Numbers, math, and a bit of prime trivia ▼ Features • Simple controls — just swipe to merge • Time Attack — chase a high score against the clock • Prime Codex — collect every prime you create • Achievements — plenty to unlock and master • Fully offline — play anywhere, no internet required Merge the primes and beat your best!
Screenshots
Verdict
The clearest difference is update cadence: Prime Merge at every 4 days against Cross Math's every 10 days. Cross Math's advantage is iOS requirement (13.0 vs 26.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Cross Math ships an update every 10 days, Prime Merge every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Cross Math | Prime Merge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (1.3K ratings) — better | — |
| Positive reviews | 76.5% of reviews | — |
| Number of ratings | 1.3K — better | — |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 92 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Joy Star Games | ryuya matsuo |
Bugs and requests
Cross Math
Reported bugs
2 issues- App hanging and crashing when opened multiple times a day
- Ads causing an endless loop and requiring app restart
Requested features
2 requests- Ability to pay to remove ads
- Option to purchase hints
Prime Merge
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cross Math
No in-app purchases
Prime Merge
No in-app purchases
Questions
Is Cross Math free?
Is Prime Merge free?
Do Cross Math or Prime Merge have ads?
Which is updated more often, Cross Math or Prime Merge?
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