# OpenResty XRay vs API Tool Pro

The clearest difference is update cadence: API Tool Pro at every 3 days against OpenResty XRay's every 3 weeks. 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.

OpenResty XRay ships an update every 3 weeks, API Tool Pro every 3 days. The most recent releases landed on September 20, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | OpenResty XRay | API Tool Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 28 MB | 37 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [OpenResty Inc.](https://appshunter.io/developer/1664322415) | [Ashen Ishanka Costha](https://appshunter.io/developer/1566497857) |

## What reviewers say

### OpenResty XRay

[App page](https://appshunter.io/ios/app/openresty-xray/id1664322413)

**Features:** macOS Compatibility

**In-app purchases:** none


### API Tool Pro

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenResty XRay free?

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

### Is API Tool Pro free?

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

### Do OpenResty XRay or API Tool Pro have ads?

Neither OpenResty XRay nor API Tool Pro shows ads.

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

OpenResty XRay ships an update every 3 weeks, and API Tool Pro every 3 days. Most recently, OpenResty XRay was updated on September 20, 2026 and API Tool Pro on June 26, 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.*