# NSLookup vs iCurlHTTP

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.

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

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.

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.

## The numbers

| Metric | NSLookup | iCurlHTTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (31 ratings)](https://appshunter.io/ios/app/nslookup/id423175511/reviews) | **[4.4 (30 ratings)](https://appshunter.io/ios/app/icurlhttp/id611943891/reviews)** |
| Number of ratings | **31** | 30 |
| Positive reviews | 54.0% of reviews | **84.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 30 MB | 9 MB |
| Requires iOS | 13.6 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Dayana Networks Ltd](https://appshunter.io/developer/403434357) | [Jason Cox](https://appshunter.io/developer/611943900) |

## What reviewers say

### NSLookup

[App page](https://appshunter.io/ios/app/nslookup/id423175511)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NSLookup Pro | $1.99 | one-time |


### iCurlHTTP

[App page](https://appshunter.io/ios/app/icurlhttp/id611943891)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

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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.*