# API Tool Pro vs PostX

The clearest difference is in-app purchases: API Tool Pro at none against PostX's 3. API Tool Pro also leads on update cadence (every 3 days vs every 3 months) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. PostX sells 3 in-app purchases, starting at $4.99 per 7 days. API Tool Pro asks for nothing beyond the download.

API Tool Pro ships an update every 3 days, PostX every 3 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | API Tool Pro | PostX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (10 ratings)](https://appshunter.io/ios/app/postx-rest-api-client/id6756872354/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | — | Freemium |
| Size | 37 MB | 4 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ashen Ishanka Costha](https://appshunter.io/developer/1566497857) | [Anupkumar Naginbhai Patel](https://appshunter.io/developer/1863355963) |

## What reviewers say

### API Tool Pro

[App page](https://appshunter.io/ios/app/api-tool-pro/id6749198993)

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

**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 API Tool Pro free?

API Tool Pro is free to download, with no in-app purchases.

### Is PostX free?

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

### Do API Tool Pro or PostX have ads?

Neither API Tool Pro nor PostX shows ads.

### Which is updated more often, API Tool Pro or PostX?

API Tool Pro ships an update every 3 days, and PostX every 3 months. Most recently, API Tool Pro was updated on October 13, 2026 and PostX on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*