# Zyl vs SYSCALL

The clearest difference is price: Zyl at Free against SYSCALL's $7.99. Zyl also leads on rating (4.7 vs 4.0) and ratings volume (38 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Zyl is free to download; SYSCALL costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zyl holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Zyl has 38 ratings behind it against 1, so its average is the more settled of the two.

Zyl ships an update every 2 days, SYSCALL weekly. The most recent releases landed on September 27, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Zyl | SYSCALL |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.7 (38 ratings)](https://appshunter.io/ios/app/zyl/id6759285712/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/syscall-mobile/id6781701372/reviews) |
| Number of ratings | **38** | 1 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Paid | Paid |
| Size | 16 MB | 17 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fleon Labs](https://appshunter.io/developer/1369538991) | [Chilling Moose](https://appshunter.io/developer/1595484986) |

## What reviewers say

### Zyl

[App page](https://appshunter.io/ios/app/zyl/id6759285712)

A minimalist puzzle game focused on elegant path tracing. Guide paths from start to exit by strategically placing arrows, collecting stars along the way. Enjoy a relaxing experience with handcrafted levels and no timers or ads.

**Highlights:** Elegant path tracing puzzles, 300 handcrafted levels, Collect stars, Cloud save sync, Relaxing music and sound, No timers or ads

**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 Zyl free?

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

### Is SYSCALL free?

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

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

Zyl is rated higher. Zyl averages 4.7 out of 5 from 38 ratings, while SYSCALL averages 4.0 from 1 ratings.

### Do Zyl or SYSCALL have ads?

Neither Zyl nor SYSCALL shows ads.

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

Zyl ships an update every 2 days, and SYSCALL weekly. Most recently, Zyl was updated on September 27, 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.*