Comparison

NSLookup vs iCurlHTTP

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

Head to head
About

NSLookup

This utility app retrieves detailed DNS information for any domain. It helps users find IP addresses, view name servers, and query specific DNS records like NS and CNAME. It can also force authoritative responses from main DNS servers.

Highlights
  • View domain DNS information
  • Find target IP address
  • See name server records
  • Query NS and CNAME records
  • Force authoritative responses
Features
Read full description

NSLookup is an internet utility to get domain's DNS information. It will help you to find the target IP address of a domain or see what name servers are set on a specific domain. NSLookup for iPhone and iPad allows you to see the public DNS records of domains or sub domains. Then you may also query the NS and CNAME records. It's also possible to force it to get an authoritative response from main DNS server of the domain.

About

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.

Highlights
  • 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
Features
Read full description

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)

Screenshots

NSLookup4 screens
iCurlHTTP4 screens

Verdict

The call

The clearest difference is rating: iCurlHTTP at 4.4 against NSLookup's 3.0. iCurlHTTP also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence 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

Both are free to download. NSLookup sells 1 one-off in-app purchase. iCurlHTTP asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iCurlHTTP holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 31 and 30 respectively. Written reviews point the same way: 54% of NSLookup's written reviews are positive against 84% of iCurlHTTP's.

UpkeepUpdate frequency

NSLookup ships an update every 9 months, iCurlHTTP every 7 months. The most recent releases landed on September 21, 2026 and August 18, 2026 respectively.

Scorecard5 real differences · 5 level
NSLookup versus iCurlHTTP: the parameters behind the verdict, then further details
ParameterNSLookupiCurlHTTP
PriceFreeFree
Rating3.0 (31 ratings)4.4 (30 ratings) — better
Positive reviews54.0% of reviews84.4% of reviews — better
Number of ratings31 — better30
Update frequencyEvery 9 monthsEvery 7 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.613.0 — better
Further details — not scored
Size30 MB9 MB
Age rating4+17+
DeveloperDayana Networks LtdJason Cox

Customer experience

NSLookup

All ratings31 ratings
Positive48.4%
Neutral3.2%
Negative48.4%
Written reviews124 reviews
Positive54.0%
Neutral6.5%
Negative39.5%

iCurlHTTP

All ratings30 ratings
Positive86.7%
Neutral3.3%
Negative10.0%
Written reviews45 reviews
Positive84.4%
Neutral6.7%
Negative8.9%

In-app purchases

1 purchases

NSLookup

One-time1
  • NSLookup Pro$1.99
None

iCurlHTTP

No in-app purchases

Questions

Is NSLookup free?
NSLookup is free to download, with in-app purchases available.
Is iCurlHTTP free?
iCurlHTTP is free to download, with no in-app purchases.
Which has better reviews, NSLookup or iCurlHTTP?
iCurlHTTP is rated higher. NSLookup averages 3.0 out of 5 from 31 ratings, while iCurlHTTP averages 4.4 from 30 ratings.
Do NSLookup or iCurlHTTP have ads?
NSLookup shows ads; iCurlHTTP does not.
Which is updated more often, NSLookup or iCurlHTTP?
NSLookup ships an update every 9 months, and iCurlHTTP every 7 months. Most recently, NSLookup was updated on September 21, 2026 and iCurlHTTP on August 18, 2026.

Other comparisons