# PrettyJsonInBrowser vs PostX

PrettyJsonInBrowser and PostX both sit at 3.0 stars, but that hides the real split: 50% of PrettyJsonInBrowser's written reviews are positive against 0% of PostX's. PrettyJsonInBrowser also leads on in-app purchases (none vs 3) and update cadence (weekly vs every 3 months). PostX's advantage is price (Free vs $1.99) and ratings volume (10 vs 1). On rating, ads and device support there is nothing between them.

PostX is free to download; PrettyJsonInBrowser costs $1.99 up front. PostX sells 3 in-app purchases, starting at $4.99 per 7 days. PrettyJsonInBrowser asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.0 for PrettyJsonInBrowser against 3.0 for PostX. That said, the two scores are not equally well evidenced: PostX has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 50% of PrettyJsonInBrowser's written reviews are positive against 0% of PostX's.

PrettyJsonInBrowser ships an update weekly, PostX every 3 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PrettyJsonInBrowser | PostX |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/prettyjsoninbrowser/id6630391842/reviews) | [3.0 (10 ratings)](https://appshunter.io/ios/app/postx-rest-api-client/id6756872354/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Bolling](https://appshunter.io/developer/1416824787) | [Anupkumar Naginbhai Patel](https://appshunter.io/developer/1863355963) |

## What reviewers say

### PrettyJsonInBrowser

[App page](https://appshunter.io/ios/app/prettyjsoninbrowser/id6630391842)

This Safari extension for iOS transforms unreadable API JSON responses into a beautifully formatted and readable format directly on your iPhone or iPad. It aims to eliminate the frustration of dealing with messy JSON data, making it easier for developers and tech enthusiasts to work with data.

**Highlights:** Formats messy JSON data, Readable JSON output, Safari iOS extension, Works on iPhone and iPad, Improves data readability

**Features:** Safari Extension

**In-app purchases:** none


### PostX

[App page](https://appshunter.io/ios/app/postx-rest-api-client/id6756872354)

This app allows developers to build and test REST, HTTP, and SOAP APIs directly on their iPhone or iPad. It supports various request methods, authentication types, and body formats, with features for organizing requests and inspecting responses.

**Highlights:** HTTP/HTTPS methods (GET, POST, PUT, DELETE, PATCH), Custom query parameters, Basic, Bearer/JWT, OAuth authentication, Customizable headers, Multiple body formats (raw, binary, GraphQL, form-data), Pre-request and post-response scripting, Response viewer with status codes and prettified JSON, Request history and workspaces

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postmon Pro Weekly | $4.99 | per 7 days |
| Postmon Pro Monthly | $9.99 | per month |
| Postmon Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is PrettyJsonInBrowser free?

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

### Is PostX free?

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

### Which has better reviews, PrettyJsonInBrowser or PostX?

PrettyJsonInBrowser and PostX are both rated 3.0 out of 5 on the App Store, from 1 and 10 ratings respectively.

### Do PrettyJsonInBrowser or PostX have ads?

Neither PrettyJsonInBrowser nor PostX shows ads.

### Which is updated more often, PrettyJsonInBrowser or PostX?

PrettyJsonInBrowser ships an update weekly, and PostX every 3 months. Most recently, PrettyJsonInBrowser was updated on October 8, 2026 and PostX on October 14, 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.*