Best Who Is Domain Checker Apps

184+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

With an average user rating of 4.3★, the who is domain checker category is one of the App Store's strongest. Browse all 184+ apps we track, sorted so the most loved ones surface first.

Top Picks for Who Is Domain Checker

Domain Check#3

Domain Check by Geekme GmbH

Worth Considering
🔧 Utilities
1.0(1 ratings)
$4.99In-App Purchases
Domain Check screenshot 1
Domain Check screenshot 2

This application allows users to retrieve WHOIS information about websites, checking domain availability and providing detailed information. It supports all TLDs, enables unlimited queries, and keeps a history of searches, helping users determine if a domain is free.

More Who Is Domain Checker apps to explore

4
Nameradar: Domain Search
Nameradar: Domain Search
Nameradar: Domain Search
Fast Domain Search Whois Check
Free
💼 Business
(0)
5
Domain Check App
Domain Check App
Domain Check App
Official Domain Checker App
Free

This free tool allows you to check the availability of domains with various TLDs simultaneously, making it easy to find out if your desired domain is available. With features like saving favorite domains, tracking search history, and customizing TLDs, you can efficiently search and manage your domain lookups - start checking now!

💼 Business
(22)
6
DNS Checker: IP & SSL Tools
DNS Checker: IP & SSL Tools
DNS Checker: IP & SSL Tools
DNS Lookup, IP Location & Tool
Free
🔧 Utilities
(0)
7
DomainTyper - Domain Search
DomainTyper - Domain Search
DomainTyper - Domain Search
The Fastest Domain search.
Free
🔧 Utilities
(4)
8
Namecheap
Namecheap
Namecheap
by Namecheap, Inc
Free

Discover a top domain name registrar and hosting solution with an app offering instant domain search, registration, and management. Easily handle DNS, WhoisGuard settings, auto-renewals, and Address Profiles. Explore now and rate our app if you're a fan of our service!

💼 Business
(2.5K)
9
IONOS
IONOS
IONOS
Keep track of your website
Free

Track and manage your website's success on the go with the app. Access and manage products, register domains, edit your website, monitor performance with WebAnalytics, handle invoices, update settings, and get support all in one place. Download now for seamless website management.

📊 Productivity
(14K)
10
Domain Checker & Age Lookup
Domain Checker & Age Lookup
Domain Checker & Age Lookup
History, Expiry & Availability
$2.99
🔧 Utilities
(0)
11
Domain Control & Whois WWW
Domain Control & Whois WWW
Domain Control & Whois WWW
Advanced Whois& Domain Control
Free

This essential tool helps website owners, webmasters, and online business owners keep track of domain and SSL certificate expiration dates, sending notifications to renew on time. By using this app, you can manage your domains, set up custom notifications, and prevent losses due to expired domains or certificates.

🔧 Utilities
(7)
12
AI Domain Names - Domainerly
AI Domain Names - Domainerly
AI Domain Names - Domainerly
Generate and Find Domain Names
Free

This application uses AI to generate unique and available domain names tailored to your needs, allowing you to find the perfect domain instantly and register it securely. With advanced filtering, real-time availability checks, and support for multiple top-level domains, you can establish a powerful online presence quickly and efficiently.

💼 Business
(2)
13
Dynadot – Domain Search
Dynadot – Domain Search
Dynadot – Domain Search
Your All-in-One Domain App.
Free

Manage your website domains efficiently with this all-in-one app, allowing you to search, register, and manage domains, adjust DNS settings, and access domain aftermarket tools. Download the app to streamline your domain management and take control of your online presence.

💼 Business
(53)
14
Deep Whois
Deep Whois
Deep Whois
whois for all domains and IPs
Free

Deep Whois is a comprehensive tool for looking up ownership and information for domains, IPs, and more. Features include Whois history tracking, notifications, and support for various identifiers. Try Deep Whois Pro for advanced features free for 7 days!

🔧 Utilities
(165)
15
Surge 5
Surge 5
Surge 5
Advanced Network Toolbox
Free

This advanced network toolbox application is designed for developers with features like network traffic takeover, processing, forwarding, and interception. It offers functionalities such as modifying requests/responses, forwarding traffic, intercepting specific data, and more, along with capabilities like ad blocking, local DNS mapping, and scripting with JavaScript. For more information, visit the online manual at http://manual.nssurge.com/

🛠️ Developer Tools
(975)
16
Quick Domain Check LITE
Quick Domain Check LITE
Quick Domain Check LITE
Check domain availability
Free

Check the availability of a domain name across multiple top-level domains and country-code domains simultaneously. Enter a name and quickly find out if it's available as a web address, then register it if desired.

🔧 Utilities
(2)
17
Domain Name Search
Domain Name Search
Domain Name Search
Check Domain Name Availability
Free

Search and check the availability of domain names across multiple extensions with a streamlined interface. Check availability now and manage your searches with features like history tracking and favorites.

💼 Business
(9)
18
Domain Names
Domain Names
Domain Names
Search, suggestions, and save!
Free

This application allows users to check the availability of domain names, receive suggestions for available alternatives, and save their favorite domains for future reference. Try it out to find and secure the perfect domain name for your needs!

🔧 Utilities
(2)
19
Norton Identity
Norton Identity
Norton Identity
Identity Theft Protection
Free

Get proactive identity theft protection with this app that helps safeguard your personal information, monitor for threats, provide alerts, and offer reimbursement up to $1 million in case of theft. Download now to stay protected 24/7.

💰 Finance
(193K)
20
NextDNS
NextDNS
NextDNS
The next-generation DNS
Free

Encrypt all DNS queries on all networks using the official app for iOS, utilizing the new native Encrypted DNS setting on iOS 14. Customize your blocking policy and access traffic analytics by setting your configuration ID from your NextDNS account in the app. Create a free NextDNS account at https://nextdns.io to get started.

🔧 Utilities
(1.1K)