STACK.it vs Round Merge 3D
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
STACK.it
A casual puzzle game where players swipe to merge stacks of numbers. Create larger stacks and trigger satisfying chain reactions to score points. Challenge yourself to reach high-value stacks and achieve multiple merges in a single move.
- Swipe to merge stacks
- Create chain reactions
- Score extra points
- Reach high-value stacks
- Easy to learn, hard to master
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Take everything you know about 2048 merging games and stack it away! Simply swipe to move: smaller stacks will jump onto bigger ones and if the connecting pieces are the same… BOOM… they up-size. Create perfect stacks and set off super satisfying chain reactions for extra points. Can you make a 2048 piece? A 32K piece? How about a perfect 10-stack? Can you set up 15 merges in one move? STACK.it is a pick up and play game: easy to learn, hard to master, and impossible to put down. Stacks and stacks and stacks of fun!
Round Merge 3D
Aim and shoot balls to merge identical numbers, creating larger numbered balls and earning rewards. Compete on leaderboards for more coins and collect monster cards.
- Aim and shoot balls
- Merge same numbered balls
- Earn cash rewards and coins
- Compete on rank lists
- Collect monster cards
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What is the biggest ball that you could get? 2048 or 1M? Game play: - Choose the direction to aim and shooting the ball - Merge the same numbered balls into a bigger numbered ball to win more cash rewards coins. - The more you merge, the higher the number on the ball and the more coins rewards you will get. - win the rank list to get more coins - get lucky to collect cute monsters cards
Screenshots
Verdict
The clearest difference is rating: Round Merge 3D at 5.0 against STACK.it's 4.4. STACK.it's advantage is ads (none vs shown) and ratings volume (33 vs 1). On price, update cadence, 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.
Round Merge 3D holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: STACK.it has 33 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.
| Parameter | STACK.it | Round Merge 3D |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (33 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 33 — better | 1 |
| Update frequency | Weekly | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 76 MB | 155 MB |
| Age rating | 4+ | 4+ |
| Developer | JG Southey | 文明 孙 |
Customer experience
STACK.it
Round Merge 3D
In-app purchases
STACK.it
No in-app purchases
Round Merge 3D
No in-app purchases
