# API Tool Pro vs Curly

The clearest difference is update cadence: Curly at every 2 days against API Tool Pro's every 3 days. API Tool Pro's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

API Tool Pro ships an update every 3 days, Curly every 2 days. The most recent releases landed on June 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | API Tool Pro | Curly |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 37 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ashen Ishanka Costha](https://appshunter.io/developer/1566497857) | [Artem Sharifullin](https://appshunter.io/developer/1877544384) |

## What reviewers say

### API Tool Pro

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Curly

[App page](https://appshunter.io/ios/app/curly-rest-api-client/id6759227355)

A native REST API client for iOS and iPad, designed for developers to test and debug APIs efficiently. It supports various request methods, response inspection with syntax highlighting, and collection organization.

**Highlights:** Send GET, POST, PUT, PATCH, DELETE requests, Edit query params, headers, auth, and request body, JSON syntax highlighting for responses, Organize endpoints into collections, Import Postman and Bruno collections, Environment variables with autocomplete, Pre-request and post-response scripts

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

**In-app purchases:** none


## Frequently asked questions

### Is API Tool Pro free?

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

### Is Curly free?

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

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

Neither API Tool Pro nor Curly shows ads.

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

API Tool Pro ships an update every 3 days, and Curly every 2 days. Most recently, API Tool Pro was updated on June 26, 2026 and Curly on September 15, 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.*