iCurlHTTP vs ISC Dig
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCurlHTTP
Test web server responses with cURL-like functionality on your iPhone or iPad. Simulate various browsers and inspect raw HTTP headers and HTML. Analyze network performance with detailed timing information.
- Simulate browser user-agents
- Inspect raw HTTP headers and HTML
- Support for GET, HEAD, POST, PUT, DELETE, OPTIONS, TRACE requests
- SSL support with certificate info
- History of tested URLs
- Detailed HTTP timing analysis
- HTTP/2 and IPv4/IPv6 support
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HTTP Web Server Response Diagnostic Tool - Curl for iPhone and iPad iCurlHTTP is a simple, easy to use app that allows you to run MacOS/Linux-like cURL tests against URLs. It can simulate different web browsers (user-agents) to retrieve the raw HTTP headers and HTML response from web servers. ** GET, HEAD & POST Requests (GET, HEAD, POST, PUT, DELETE, OPTIONS and TRACE on iPad) ** SSL Support - https requests with basic certificate and handshake information ** Keeps a history of URLs tested with HEADER and POST data and provides them in a dropdown for easy repeated testing ** Simulates curl, iPhone, iPad, Safari, IE, Chrome and custom user-agent browsers ** Simple single-view interface with realtime result screen. ** iPhone and iPad support ** Verbose and Basic Detail ** HTTP Timing Details (Name Lookup, TCP Connect, SSL Handshake, First Byte and Total) ** Set custom User-Agent, Host Headers, Timeouts, HTTP Authentication, SSL Mode and POST Data ** Share Feature to send output to Clipboard, Printer and Email ** HTTP/2 Support ** IPv4 and IPv6 DNS Resolution with Option for Manual Address Resolution (via HOST:PORT:ADDRESS)
ISC Dig
Perform DNS lookups on your iOS device. This utility allows you to enter a domain name and retrieve its DNS records, supporting many options from the command-line version.
- Perform DNS lookups
- Retrieve DNS records
- Supports command-line options
- iOS port of 'dig' command
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This is ISC's classic "dig" command for performing DNS lookups, ported to iOS. Just type in a domain name, and "dig" will lookup the DNS records for that domain. This version supports most of the options available in the BIND 9.14.2 command line version of "dig". Please send comments and questions to bind-users@lists.isc.org
Screenshots
Verdict
The clearest difference is rating: iCurlHTTP at 4.4 against ISC Dig's 3.2. iCurlHTTP also leads on review sentiment (84% vs 56%) and ratings volume (30 vs 6). ISC Dig's advantage is monetization model (free vs paid) and iOS requirement (9.0 vs 13.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iCurlHTTP holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: iCurlHTTP has 30 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 84% of iCurlHTTP's written reviews are positive against 56% of ISC Dig's.
iCurlHTTP ships an update every 7 months, ISC Dig every 10 months. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.
| Parameter | iCurlHTTP | ISC Dig |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (30 ratings) — better | 3.2 (6 ratings) |
| Positive reviews | 84.4% of reviews — better | 55.6% of reviews |
| Number of ratings | 30 — better | 6 |
| Update frequency | Every 7 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Jason Cox | Internet Systems Consortium, Inc. |
Customer experience
iCurlHTTP
ISC Dig
In-app purchases
iCurlHTTP
No in-app purchases
ISC Dig
No in-app purchases
