# NSLookup vs DNS Security

The clearest difference is rating: DNS Security at 4.8 against NSLookup's 3.0. DNS Security also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 months). NSLookup's advantage is iOS requirement (13.6 vs 17.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. NSLookup sells 1 one-off in-app purchase and DNS Security sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DNS Security holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 31 and 72 respectively. Written reviews point the same way: 54% of NSLookup's written reviews are positive against 67% of DNS Security's.

NSLookup ships an update every 9 months, DNS Security every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NSLookup | DNS Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (31 ratings)](https://appshunter.io/ios/app/nslookup/id423175511/reviews) | **[4.8 (72 ratings)](https://appshunter.io/ios/app/dns-security/id1537782072/reviews)** |
| Number of ratings | 31 | **72** |
| Positive reviews | 53.9% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 5 MB |
| Requires iOS | **13.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dayana Networks Ltd](https://appshunter.io/developer/403434357) | [CHUNG-HO LEE](https://appshunter.io/developer/502429481) |

## 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 |


### DNS Security

[App page](https://appshunter.io/ios/app/dns-security/id1537782072)

This app encrypts your DNS queries using DoH and DoT protocols to enhance online privacy and security. It prevents eavesdropping and data manipulation by securing the translation of domain names to IP addresses. Choose from trusted providers or configure your own server for a safer browsing experience.

**Highlights:** DNS over HTTPS (DoH) support, DNS over TLS (DoT) support, No VPN configuration needed, Configurable custom DNS servers, Privacy-focused, no user data collection, Choice of trusted DNS providers, Supports custom URL schemes for automation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro features | $1.99 | one-time |


## Frequently asked questions

### Is NSLookup free?

NSLookup is free to download, with in-app purchases available.

### Is DNS Security free?

DNS Security is free to download, with in-app purchases available.

### Which has better reviews, NSLookup or DNS Security?

DNS Security is rated higher. NSLookup averages 3.0 out of 5 from 31 ratings, while DNS Security averages 4.8 from 72 ratings.

### Do NSLookup or DNS Security have ads?

NSLookup shows ads; DNS Security does not.

### Which is updated more often, NSLookup or DNS Security?

NSLookup ships an update every 9 months, and DNS Security every 2 days. Most recently, NSLookup was updated on October 21, 2026 and DNS Security on October 24, 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.*