# STACK.it vs Round Merge 3D

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.

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.

## The numbers

| Metric | STACK.it | Round Merge 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (33 ratings)](https://appshunter.io/ios/app/stackit/id1487775049/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/round-merge-3d-2048-quest/id1645767431/reviews)** |
| Number of ratings | **33** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Ad-supported |
| Size | 76 MB | 155 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JG Southey](https://appshunter.io/developer/550921304) | [文明 孙](https://appshunter.io/developer/1556686052) |

## What reviewers say

### STACK.it

[App page](https://appshunter.io/ios/app/stackit/id1487775049)

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.

**Highlights:** Swipe to merge stacks, Create chain reactions, Score extra points, Reach high-value stacks, Easy to learn, hard to master

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Round Merge 3D

[App page](https://appshunter.io/ios/app/round-merge-3d-2048-quest/id1645767431)

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.

**Highlights:** Aim and shoot balls, Merge same numbered balls, Earn cash rewards and coins, Compete on rank lists, Collect monster cards

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STACK.it free?

STACK.it is free to download, with no in-app purchases.

### Is Round Merge 3D free?

Round Merge 3D is free to download, with no in-app purchases.

### Which has better reviews, STACK.it or Round Merge 3D?

Round Merge 3D is rated higher. STACK.it averages 4.4 out of 5 from 33 ratings, while Round Merge 3D averages 5.0 from 1 ratings.

### Do STACK.it or Round Merge 3D have ads?

Round Merge 3D shows ads; STACK.it does not.

### Which is updated more often, STACK.it or Round Merge 3D?

STACK.it ships an update weekly, and Round Merge 3D weekly. Most recently, STACK.it was updated on October 13, 2026 and Round Merge 3D on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*