# Simple cURL vs Custom JS & CSS for Safari

The clearest difference is rating: Custom JS & CSS for Safari at 5.0 against Simple cURL's 3.0. Custom JS & CSS for Safari also leads on chart position (#44 vs unranked). Simple cURL's advantage is price ($0.99 vs $2.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Simple cURL costs $0.99 and Custom JS & CSS for Safari $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Custom JS & CSS for Safari holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Simple cURL ships an update every 2 months, Custom JS & CSS for Safari every 5 weeks. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Simple cURL | Custom JS & CSS for Safari |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/simple-curl/id6742906138/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/custom-js-and-css-for-safari/id6776793703/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#44** |
| Size | 1 MB | 10 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rodrigo Velazquez Tapia](https://appshunter.io/developer/566206278) | [Alfredo Grassau](https://appshunter.io/developer/1564157928) |

## 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


### Custom JS & CSS for Safari

[App page](https://appshunter.io/ios/app/custom-js-and-css-for-safari/id6776793703)

**Currently charting:** #44 Top Paid · Developer Tools (US App Store)

Personalize your web browsing experience by injecting custom JavaScript and CSS into any website. Automate tasks, apply visual tweaks, and manage userscripts directly within Safari.

**Highlights:** Add custom JavaScript, Add custom CSS, Site-specific rules, Userscript manager, iCloud sync, Privacy-first design

**Features:** Safari Extension, 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 Custom JS & CSS for Safari free?

Custom JS & CSS for Safari costs $2.99, with no in-app purchases.

### Which has better reviews, Simple cURL or Custom JS & CSS for Safari?

Custom JS & CSS for Safari is rated higher. Simple cURL averages 3.0 out of 5 from 1 ratings, while Custom JS & CSS for Safari averages 5.0 from 1 ratings.

### Do Simple cURL or Custom JS & CSS for Safari have ads?

Neither Simple cURL nor Custom JS & CSS for Safari shows ads.

### Which is updated more often, Simple cURL or Custom JS & CSS for Safari?

Simple cURL ships an update every 2 months, and Custom JS & CSS for Safari every 5 weeks. Most recently, Simple cURL was updated on November 8, 2026 and Custom JS & CSS for Safari on November 10, 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.*