# compilerFish vs JSON Prettify

The clearest difference is ads: compilerFish at none against JSON Prettify's shown. JSON Prettify's advantage is update cadence (every 5 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

compilerFish ships an update every 6 weeks, JSON Prettify every 5 days. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | compilerFish | JSON Prettify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/json-prettify/id6737413797/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 109 MB | 6 MB |
| Requires iOS | **15.5.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Tatenda Caston Hove](https://appshunter.io/developer/1631431852) | [Jean-Philippe DESCAMPS](https://appshunter.io/developer/334555645) |

## What reviewers say

### compilerFish

[App page](https://appshunter.io/ios/app/compilerfish/id6736854384)

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON Prettify

[App page](https://appshunter.io/ios/app/json-prettify/id6737413797)

Easily format and validate JSON data with a clean, intuitive interface. Get clear error messages for invalid JSON and switch to a compact view for efficient data exploration. Streamline your JSON workflow with this developer-friendly tool.

**Highlights:** Quick and clear JSON formatting, Detailed error messages for invalid JSON, Compact mode for compressed view, User-friendly interface, JSON validation

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

**In-app purchases:** none


## Frequently asked questions

### Is compilerFish free?

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

### Is JSON Prettify free?

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

### Do compilerFish or JSON Prettify have ads?

JSON Prettify shows ads; compilerFish does not.

### Which is updated more often, compilerFish or JSON Prettify?

compilerFish ships an update every 6 weeks, and JSON Prettify every 5 days. Most recently, compilerFish was updated on September 8, 2026 and JSON Prettify 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.*