# Security Line vs Stack n Crush!

The clearest difference is update cadence: Stack n Crush! at every 5 days against Security Line's every 2 months. Security Line's advantage is iOS requirement (9.0 vs 11.0). On price, ads, 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.

Security Line ships an update every 2 months, Stack n Crush! every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Security Line | Stack n Crush! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/security-line/id1550251502/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 249 MB | 183 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEXT SOLUTIONS JOINT STOCK COMPANY](https://appshunter.io/developer/1569127793) | [Serenico Labs](https://appshunter.io/developer/1631801659) |

## What reviewers say

### Security Line

[App page](https://appshunter.io/ios/app/security-line/id1550251502)

A mind-challenging puzzle game where players strategically drag and drop ropes to help police catch robbers. Levels increase in difficulty, requiring smart thinking to progress and master the game.

**Highlights:** Drag and drop rope puzzles, Increasing difficulty levels, Mind-challenging gameplay, Amazing 3D graphics, Simple 1-touch controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack n Crush!

[App page](https://appshunter.io/ios/app/stack-n-crush/id6476255129)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Security Line free?

Security Line is free to download, with no in-app purchases.

### Is Stack n Crush! free?

Stack n Crush! is free to download, with no in-app purchases.

### Do Security Line or Stack n Crush! have ads?

Both Security Line and Stack n Crush! show ads.

### Which is updated more often, Security Line or Stack n Crush!?

Security Line ships an update every 2 months, and Stack n Crush! every 5 days. Most recently, Security Line was updated on October 24, 2026 and Stack n Crush! on October 25, 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.*