# Kolumno vs SYSCALL

The clearest difference is rating: Kolumno at 5.0 against SYSCALL's 4.0. Kolumno also leads on price ($1.99 vs $7.99) and iOS requirement (12.0 vs 17.0). SYSCALL's advantage is update cadence (weekly vs every 21 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Kolumno costs $1.99 and SYSCALL $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kolumno holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Kolumno ships an update every 21 months, SYSCALL weekly. The most recent releases landed on September 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Kolumno | SYSCALL |
| --- | --- | --- |
| Price | **$1.99** | $7.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kolumno/id1440050196/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/syscall-mobile/id6781701372/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 100 MB | 17 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DevilishGames](https://appshunter.io/developer/363712501) | [Chilling Moose](https://appshunter.io/developer/1595484986) |

## What reviewers say

### Kolumno

[App page](https://appshunter.io/ios/app/kolumno/id1440050196)

Guide a ball through complex columns by timing your drops and utilizing special abilities. This puzzle game offers challenging mechanics, elegant graphics, and a relaxing soundtrack.

**Highlights:** Timing-based gameplay, Special abilities, Intricate column puzzles, 75 challenging levels, Elegant graphic and sound styles

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

**In-app purchases:** none


### SYSCALL

[App page](https://appshunter.io/ios/app/syscall-mobile/id6781701372)

Engage in a unique reverse-engineering and assembly optimization puzzle game set within a 1990s warez BBS. Write and debug assembly programs to crack software, patch code, and navigate a virtual network. Explore a private board with tools and community features.

**Highlights:** Reverse-engineering assembly puzzles, Code tracing and patching, Network hacking challenges, Virtual BBS environment, Assembly pixel art tool, Chip-tune maker

**Features:** Game Controller support

**In-app purchases:** none


## Frequently asked questions

### Is Kolumno free?

Kolumno costs $1.99, with no in-app purchases.

### Is SYSCALL free?

SYSCALL costs $7.99, with no in-app purchases.

### Which has better reviews, Kolumno or SYSCALL?

Kolumno is rated higher. Kolumno averages 5.0 out of 5 from 1 ratings, while SYSCALL averages 4.0 from 1 ratings.

### Do Kolumno or SYSCALL have ads?

Neither Kolumno nor SYSCALL shows ads.

### Which is updated more often, Kolumno or SYSCALL?

Kolumno ships an update every 21 months, and SYSCALL weekly. Most recently, Kolumno was updated on September 3, 2026 and SYSCALL on September 10, 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.*