# STACK.it vs Orbit Collapse

The clearest difference is rating: Orbit Collapse at 5.0 against STACK.it's 4.4. STACK.it's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment and update cadence there is nothing between them.

Both are free to download. Orbit Collapse sells 1 one-off in-app purchase. STACK.it asks for nothing beyond the download.

Orbit Collapse 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 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

STACK.it ships an update weekly, Orbit Collapse every 4 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | STACK.it | Orbit Collapse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (33 ratings)](https://appshunter.io/ios/app/stackit/id1487775049/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/orbit-collapse-merge-planets/id6791414556/reviews)** |
| Number of ratings | **33** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 76 MB | 6 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JG Southey](https://appshunter.io/developer/550921304) | [Joel Ross](https://appshunter.io/developer/6791414558) |

## 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


### Orbit Collapse

[App page](https://appshunter.io/ios/app/orbit-collapse-merge-planets/id6791414556)

Merge planets to create celestial bodies, from stardust to black holes. Utilize cosmic powers and daily challenges to achieve high scores and climb leaderboards in this satisfying puzzle game.

**Highlights:** Planet merging gameplay, Black hole creation, Cosmic power-ups, Daily challenges, Leaderboard competition, Atmospheric soundtrack

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is STACK.it free?

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

### Is Orbit Collapse free?

Orbit Collapse is free to download, with in-app purchases available.

### Which has better reviews, STACK.it or Orbit Collapse?

Orbit Collapse is rated higher. STACK.it averages 4.4 out of 5 from 33 ratings, while Orbit Collapse averages 5.0 from 2 ratings.

### Do STACK.it or Orbit Collapse have ads?

Orbit Collapse shows ads; STACK.it does not.

### Which is updated more often, STACK.it or Orbit Collapse?

STACK.it ships an update weekly, and Orbit Collapse every 4 days. Most recently, STACK.it was updated on October 13, 2026 and Orbit Collapse on October 10, 2026.

---

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