# Hurl Client vs OpenAPI Viewer

The clearest difference is in-app purchases: Hurl Client at none against OpenAPI Viewer's 3. Hurl Client also leads on update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OpenAPI Viewer sells 3 one-off in-app purchases. Hurl Client asks for nothing beyond the download.

Hurl Client ships an update daily, OpenAPI Viewer every 2 weeks. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Hurl Client | OpenAPI Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free | — |
| Size | 9 MB | 13 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ENES ULUDAG](https://appshunter.io/developer/1883720472) | [Victor Manuel Puga Ruiz](https://appshunter.io/developer/1648773908) |

## What reviewers say

### Hurl Client

[App page](https://appshunter.io/ios/app/hurl-client/id6760424650)

A modern, open-source API client for iOS devices. Test REST, GraphQL, and WebSocket APIs with features like a GraphQL query editor, request organization, and environment variables. Works fully offline and supports dark/light themes.

**Highlights:** Test REST, GraphQL, and WebSocket APIs, GraphQL query editor with variables, Organize requests into collections, Import Postman and OpenAPI/Swagger collections, Environment variables with autocomplete, View response details and syntax-highlighted JSON, Works fully offline

**Features:** Vision Pro support

**In-app purchases:** none


### OpenAPI Viewer

[App page](https://appshunter.io/ios/app/openapi-viewer/id6761346493)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is Hurl Client free?

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

### Is OpenAPI Viewer free?

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

### Do Hurl Client or OpenAPI Viewer have ads?

Neither Hurl Client nor OpenAPI Viewer shows ads.

### Which is updated more often, Hurl Client or OpenAPI Viewer?

Hurl Client ships an update daily, and OpenAPI Viewer every 2 weeks. Most recently, Hurl Client was updated on September 26, 2026 and OpenAPI Viewer on September 18, 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.*