# JSON Prettify vs ParseLab

The clearest difference is in-app purchases: JSON Prettify at none against ParseLab's 1. JSON Prettify also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (16.6 vs 26.0). ParseLab's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. ParseLab sells 1 one-off in-app purchase. JSON Prettify asks for nothing beyond the download.

JSON Prettify ships an update every 5 days, ParseLab every 2 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | JSON Prettify | ParseLab |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 6 MB | 12 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jean-Philippe DESCAMPS](https://appshunter.io/developer/334555645) | [Nevv Atlantis LLC](https://appshunter.io/developer/1785977795) |

## What reviewers say

### 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


### ParseLab

[App page](https://appshunter.io/ios/app/parselab/id6744374600)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ParseLab Pro | $4.99 | one-time |


## Frequently asked questions

### Is JSON Prettify free?

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

### Is ParseLab free?

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

### Do JSON Prettify or ParseLab have ads?

JSON Prettify shows ads; ParseLab does not.

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

JSON Prettify ships an update every 5 days, and ParseLab every 2 months. Most recently, JSON Prettify was updated on October 9, 2026 and ParseLab on October 13, 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.*