# ISUD Zero vs Syntaxle

The clearest difference is price: Syntaxle at Free against ISUD Zero's $0.99. ISUD Zero's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Syntaxle is free to download; ISUD Zero costs $0.99 up front. Syntaxle sells 1 one-off in-app purchase. ISUD Zero asks for nothing beyond the download.

## The numbers

| Metric | ISUD Zero | Syntaxle |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/syntaxle/id6774160881/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 119 MB | 60 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Suwitcha Sugthana](https://appshunter.io/developer/372726303) | [Jesper Wingren](https://appshunter.io/developer/1852534043) |

## What reviewers say

### ISUD Zero

[App page](https://appshunter.io/ios/app/isud-zero/id6765926399)

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

**In-app purchases:** none


### Syntaxle

[App page](https://appshunter.io/ios/app/syntaxle/id6774160881)

A daily puzzle game for programmers where you guess programming languages from code snippets or find errors within them. Earn XP, build streaks, and compete on leaderboards. Offers customization options and a Pro version for enhanced features.

**Highlights:** Daily code snippet puzzles, Guess programming language, Find code errors, Earn XP and build streaks, Global and friend leaderboards, Customizable themes and modes, Code Quest and Speed Run modes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Archive Unlock | $1.99 | one-time |


## Frequently asked questions

### Is ISUD Zero free?

ISUD Zero costs $0.99, with no in-app purchases.

### Is Syntaxle free?

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

### Do ISUD Zero or Syntaxle have ads?

Syntaxle shows ads; ISUD Zero does not.

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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.*