# Knife Cut vs Stack Sort 3D

The clearest difference is in-app purchases: Knife Cut at none against Stack Sort 3D's 5. Knife Cut also leads on iOS requirement (12.0 vs 15.6). Stack Sort 3D's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Stack Sort 3D sells 5 one-off in-app purchases. Knife Cut asks for nothing beyond the download.

Knife Cut ships an update every 6 days, Stack Sort 3D every 11 days. The most recent releases landed on October 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Knife Cut | Stack Sort 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 11 days |
| Size | 228 MB | 42 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Maksym Kiryanov](https://appshunter.io/developer/1628335944) | [Hardik Ponkiya](https://appshunter.io/developer/1449226399) |

## What reviewers say

### Knife Cut

[App page](https://appshunter.io/ios/app/knife-cut-merge-hit/id1669234733)

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

**In-app purchases:** none


### Stack Sort 3D

[App page](https://appshunter.io/ios/app/stack-sort-3d-merge-game/id6793064848)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 700 Coin | $0.99 | one-time |
| No Ads | $2.99 | one-time |
| 2500 Coin | $2.99 | one-time |
| 5000 Coin | $4.99 | one-time |
| Classic Bundle | $9.99 | one-time |


## Frequently asked questions

### Is Knife Cut free?

Knife Cut is free to download, with no in-app purchases.

### Is Stack Sort 3D free?

Stack Sort 3D is free to download, with in-app purchases available.

### Do Knife Cut or Stack Sort 3D have ads?

Knife Cut shows ads; Stack Sort 3D does not.

### Which is updated more often, Knife Cut or Stack Sort 3D?

Knife Cut ships an update every 6 days, and Stack Sort 3D every 11 days. Most recently, Knife Cut was updated on October 27, 2026 and Stack Sort 3D on October 3, 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.*