Comparison

Simple cURL vs eBook Studio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple cURL

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
Read full description

Simple cURL is the essential tool for iOS developers and backend professionals who need to test, debug, and analyze API requests directly from their mobile device. With an intuitive interface and powerful features, it turns your iPhone or iPad into a portable API client. Key Features: Run complex cURL commands with support for custom headers Detailed response display including status code, headers, and body in readable format. Smart context menu to quickly copy specific parts of the response (full JSON, headers, or body) with a long tap on the response box. Dark mode and developer-optimized typography for extended reading. Who is this app for: iOS developers who need to test APIs in development environments (UAT, QA, Production). Backend engineers who want to verify endpoints from anywhere. Programming students learning about HTTP/REST protocols. DevOps professionals performing quick service monitoring. Why choose Simple cURL: Technical accuracy: Analyze every detail of the response, including hidden headers and status codes. Optimized for iOS: Seamless integration with clipboard, contextual keyboard, and Siri shortcuts. Guaranteed privacy: Zero tracking, your API data never leaves your device to be stored anywhere. Just copy a cURL from Charles proxy and paste into Simple cURL and see the responses

About

eBook Studio

Features
Read full description

Easy eBook Maker for Everyone This app allows anyone to create eBooks with ease. Simply prepare your manuscript, and you can generate an EPUB file immediately. It is highly recommended for those looking to publish on Kindle or distribute their own digital books. From novels and practical guides to workbooks and manuals, you can create a wide variety of books. With intuitive controls that require no HTML or specialized knowledge, it’s the ideal tool for personal publishing and Kindle Direct Publishing (KDP).

Screenshots

Simple cURL4 screens
eBook Studio2 screens

Verdict

The call

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 (#49 vs unranked) and iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 8 level
Simple cURL versus eBook Studio: the parameters behind the verdict, then further details
ParameterSimple cURLeBook Studio
Price$0.99$0.99
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank—#49 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size1 MB31 MB
Age rating4+4+
DeveloperRodrigo Velazquez Tapia株式会社キイロ乃カモ

In-app purchases

None

Simple cURL

No in-app purchases

None

eBook Studio

No in-app purchases

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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