# DnsChecker vs NSLookup Z

The clearest difference is price: NSLookup Z at Free against DnsChecker's $2.99. NSLookup Z also leads on update cadence (every 5 days vs every 8 months) and iOS requirement (16.0 vs 18.2). DnsChecker's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

NSLookup Z is free to download; DnsChecker costs $2.99 up front. NSLookup Z sells 1 one-off in-app purchase. DnsChecker asks for nothing beyond the download.

DnsChecker ships an update every 8 months, NSLookup Z every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | DnsChecker | NSLookup Z |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/nslookup-z-fast-dns-query-tool/id6743503420/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 4 MB | 2 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Docs Printing SRL](https://appshunter.io/developer/1034316493) | [Phan Nhut](https://appshunter.io/developer/849063753) |

## What reviewers say

### DnsChecker

[App page](https://appshunter.io/ios/app/dnschecker/id6741046337)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### NSLookup Z

[App page](https://appshunter.io/ios/app/nslookup-z-fast-dns-query-tool/id6743503420)

This tool allows for fast and secure DNS record lookups, supporting encrypted queries and a variety of popular DNS servers. Users can also configure custom DNS servers for complete control over their network analysis.

**Highlights:** Query DNS records (A, AAAA, CNAME, TXT, etc.), Support for DoH & DoT encrypted lookups, Includes popular DNS servers (Google, Cloudflare), Option to customize DNS servers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is DnsChecker free?

DnsChecker costs $2.99, with no in-app purchases.

### Is NSLookup Z free?

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

### Do DnsChecker or NSLookup Z have ads?

Neither DnsChecker nor NSLookup Z shows ads.

### Which is updated more often, DnsChecker or NSLookup Z?

DnsChecker ships an update every 8 months, and NSLookup Z every 5 days. Most recently, DnsChecker was updated on October 24, 2026 and NSLookup Z 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.*