NSLookup vs ClickDFU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- View domain DNS information
- Find target IP address
- See name server records
- Query NS and CNAME records
- Force authoritative responses
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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.
ClickDFU
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Support for upgrading the specified firmware program for the Bluetooth module;
Screenshots
Verdict
The clearest difference is in-app purchases: ClickDFU at none against NSLookup's 1. ClickDFU also leads on ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price, device support and iOS requirement 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. NSLookup sells 1 one-off in-app purchase. ClickDFU asks for nothing beyond the download.
NSLookup ships an update every 9 months, ClickDFU every 2 months. The most recent releases landed on September 21, 2026 and December 27, 2025 respectively.
| Parameter | NSLookup | ClickDFU |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (31 ratings) — better | — |
| Positive reviews | 54.0% of reviews | — |
| Number of ratings | 31 — better | — |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Dayana Networks Ltd | Shenzhen Lanke Xuntong Technology Co., Ltd. |
In-app purchases
NSLookup
- NSLookup Pro$1.99
ClickDFU
No in-app purchases
