# Simple cURL vs eBook Studio

The clearest difference is update cadence: eBook Studio at every 8 days against Simple cURL's every 2 months. eBook Studio also leads on chart position (#47 vs unranked) and iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Simple cURL costs $0.99 and eBook Studio $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple cURL ships an update every 2 months, eBook Studio every 8 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Simple cURL | eBook Studio |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/simple-curl/id6742906138/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | — |
| Best chart rank | — | **#47** |
| Size | 1 MB | 31 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rodrigo Velazquez Tapia](https://appshunter.io/developer/566206278) | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) |

## What reviewers say

### Simple cURL

[App page](https://appshunter.io/ios/app/simple-curl/id6742906138)

This app allows developers and backend professionals to test, debug, and analyze API requests directly from their mobile devices. It provides detailed response displays and features like custom headers and dark mode for an optimized developer experience.

**Highlights:** Run complex cURL commands, Support for custom headers, Detailed response display, Copy response parts (JSON, headers, body), Dark mode, Optimized for iOS integration

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

**In-app purchases:** none


### eBook Studio

[App page](https://appshunter.io/ios/app/ebook-studio-create-and-publish/id6756200055)

**Currently charting:** #47 Top Paid · Developer Tools (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple cURL free?

Simple cURL costs $0.99, with no in-app purchases.

### Is eBook Studio free?

eBook Studio costs $0.99, with no in-app purchases.

### Do Simple cURL or eBook Studio have ads?

Neither Simple cURL nor eBook Studio shows ads.

### Which is updated more often, Simple cURL or eBook Studio?

Simple cURL ships an update every 2 months, and eBook Studio every 8 days. Most recently, Simple cURL was updated on October 28, 2026 and eBook Studio on October 28, 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.*