Comparison

Deep Whois vs T

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Deep Whois

This app provides comprehensive WHOIS lookups for domains, IP addresses, and network ranges. It offers advanced features like historical data, change tracking, and notifications for domain expirations. Explore all domain zones and IP versions with seamless RDAP support.

Highlights
  • WHOIS lookup for domains, IPs, ASNs, and ENS
  • WHOIS history and change tracking
  • Domain expiration tracking with notifications
  • Supports all domain zones and IP versions (IPv4/IPv6)
  • Seamless RDAP support
  • Automatic WHOIS server selection
Features
Read full description

Deep Whois is the most complete and advanced Whois app with whois history, change and expiration tracking, notifications, color themes, RDAP and ENS. The tool lets you lookup info in ALL Whois databases for ALL hostnames, domains, TLDs, web sites, IDNs, IP addresses (both IPv4 and IPv6), IP network ranges, autonomous systems (ASNs, ISP IDs), and Ethereum Name Service (ENS) domains. Deep Whois works out of the box and finds ownership, country and more info about everything with no need to mess with complex options and server selection. FEATURES - Whois domains, IP addresses, ranges, IDNs and ASNs - Supports ALL domain zones, TLDs, IDNs known to date - Supports IPv4 and IPv6 addresses and networks - Support ARIN, RIPE, APNIC, LACNIC, AFRINIC and referral servers - Seamless RDAP support for domains where Whois is no longer available - Automatic selection of Whois servers - Trace across a chain of Whois servers (add "+trace" into query) - Digging Whois records from referrals - Result history for all lookups - Group results into multiple histories - E-mail Whois results PRO FEATURES - Whois history - Whois change and expiration tracking (for any domain) - Notifications - Color themes for Whois display - ENS: Lookup and track Ethereum Name Service domains/address If you love Deep Whois, try Deep Whois Pro for 7 days free! Go back in time with historical whois, track domain expiration, whois data changes with notifications, and do more with Deep Whois Pro. At confirmation of the Deep Whois Pro purchase, payment will be charged to your iTunes account, and it will be charged for renewal within 24-hours before the end of the current period. Automatic renewal can be turned off at any time in your Account Settings after purchase. After the cancellation of the renewal, Deep Whois Pro will expire at the end of the current period. DEMO VIDEOS http://j.mp/deepwhois_vids If you have any questions or comments, feel free to contact us at https://happymagenta.com/deepwhois/support.html Privacy Policy: https://www.unblip.com/tmp/privacy_and_terms/privacy.html Terms of Use: https://www.unblip.com/tmp/privacy_and_terms/terms.html

About

T

This app enables individuals who are Deaf, Hard of Hearing, DeafBlind, or have a Speech Disability to make and receive relay calls using text over the internet. It connects users with a qualified relay operator and offers features like an integrated contact list and call history.

Highlights
  • Text-based relay calls
  • Integrated contact list
  • Call history
  • Access to live customer care
  • Available on wireless networks
Features
Read full description

IP Relay, provided by T-Mobile for iOS devices, is a no cost internet-based telecommunications Mobile app available for people who are Deaf, Hard of Hearing, DeafBlind, or who have a Speech Disability who can make and receive relay calls and communicate using text on iOS 9 or higher, including iPad devices. IP Relay app is also available on wireless networks. Connect with a qualified relay operator via IP Relay. Features include integrated contact list, call history, and access to live customer care. Available only in USA and US territories. International calls will either be blocked or terminated. Registration is required to use this app. If no data plan service selected, casual data charges may apply. Learn more at t-mobile.com/IPRelay. Although IP Relay can be used for emergency calling, such emergency calling may not function the same as traditional 911/E911 services. By using the IP Relay app for emergency calling you agree that T-Mobile is not responsible for any damages resulting from errors, defects, malfunctions, interruptions, or failures in accessing or attempting to access emergency services through IP Relay whether caused by the negligence of T-Mobile or otherwise.

Screenshots

Deep Whois4 screens
T4 screens

Verdict

The call

The clearest difference is review sentiment: Deep Whois at 85% against T's 16%. Deep Whois also leads on rating (4.5 vs 3.1) and iOS requirement (13.4 vs 16.6). T's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, update cadence and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Deep Whois sells 4 in-app purchases, starting at $1.99 per 7 days. T asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Deep Whois holds the better App Store score, 4.5 against 3.1. Both are backed by a comparable volume of ratings — 172 and 88 respectively. Written reviews point the same way: 85% of Deep Whois's written reviews are positive against 16% of T's.

UpkeepUpdate frequency

Deep Whois ships an update every 4 months, T every 3 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Deep Whois versus T: the parameters behind the verdict, then further details
ParameterDeep WhoisT
PriceFreeFree
Rating4.5 (172 ratings) — better3.1 (88 ratings)
Positive reviews85.4% of reviews — better16.4% of reviews
Number of ratings172 — better88
Update frequencyEvery 4 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better16.6
Further details — not scored
Size46 MB15 MB
Age rating4+4+
DeveloperPavel AhafonauT-Mobile

Customer experience

Deep Whois

All ratings172 ratings
Positive86.6%
Neutral4.1%
Negative9.3%
Written reviews247 reviews
Positive85.4%
Neutral2.4%
Negative12.1%

T

All ratings81 ratings
Positive45.7%
Neutral11.1%
Negative43.2%
Written reviews55 reviews
Positive16.4%
Neutral12.7%
Negative70.9%

User reviews

Deep Whois

From 172 App Store ratings

What we love

  • 🚀 Fast and efficient
  • 👍 Simple and intuitive interface
  • 🔒 Provides detailed domain/IP information
  • 💡 Useful for troubleshooting network issues
  • 👍 Convenient for on-the-go use

Room to improve

  • 🐛 Occasional bugs and crashes
  • 🔍 Limited functionality compared to desktop tools
  • 💰 Paid version required for full features
  • 🔑 Privacy concerns with some user data

T

From 88 App Store ratings

What we love

  • 👍 Accessible for DeafBlind
  • 👍 Can save conversations
  • 👍 Live operator accuracy
  • 👍 App updated for easier call shifting
  • 👍 Good for Spasmodic Dysphonia

Room to improve

  • 🐛 Lots of bugs
  • 🐛 Calls get dropped
  • 🐛 Fake number calls
  • 🐛 App not updated
  • 🐛 App broken, cannot make calls

Bugs and requests

Deep Whois

Reported bugs

3 issues
  • Incorrect location/ISP information for some IP addresses
  • Compatibility issues with newer iOS versions
  • Unreliable performance on older devices

Requested features

4 requests
  • Expand search capabilities (e.g., reverse IP lookup, domain history)
  • Add support for more domain registrars and TLDs
  • Implement dark mode and customization options
  • Improve integration with other network/security tools

T

Reported bugs

50 issues
  • App still has LOT of bugs
  • Calls get dropped
  • Line is busy error
  • Hackers fake number calls
  • App hasn't been updated
Show 45 more
  • Doesn't work at all now
  • Cut out during call
  • Tried to recall but didn't work
  • Phone number in use error
  • Call connects then drops
  • CAs typing too many 'xxxx'
  • Transcribes caller's words to email
  • Password is wrong (works elsewhere)
  • Cannot verify identity
  • New version confusing
  • Cannot use microphone on keyboard to dictate
  • Cannot register, couldn't verify details
  • App does not connect to relay
  • Microphone doesn't work for voice to text
  • App doesn't work
  • Doesn't seem to work when trying to answer call
  • Does not list incoming call
  • Opening from notification screen, number not listed
  • Buggy, doesn't cooperate with system accessibility settings
  • Scrolling is buggy
  • Incoming text bounces below window
  • Incoming call window doesn't expand
  • Incoming calls don't always answer
  • System often cuts off users
  • Performance gets worse
  • Takes several minutes for messages to get through
  • Never able to complete important calls
  • Whenever I get a call, accept call does nothing
  • No vibration or sound notification for incoming calls
  • App requires upgrade but upgrade doesn't fix error
  • Unable to type anything to answer call
  • Can't see who called
  • Cannot answer calls
  • Number flashes briefly
  • Cannot forward number
  • Forwarding isn't supposed to work
  • App crashes when opening
  • Keyboard covers text box
  • Login doesn't work
  • Login not valid
  • Username creation fails
  • Nobody can hear me
  • Login/password doesn't work on app
  • Verification review takes too long
  • Favorites screen doesn't work

Requested features

10 requests
  • Ability to report spam callers
  • Send words automatically as I type
  • Add ability to block numbers
  • Option to subscribe to spam call blocking service
  • Make browser and app interfaces more similar
Show 5 more
  • Sound alerts for incoming calls
  • Way to read messages left by caller
  • Voicemail for missed calls
  • Copy and paste phone numbers into dial screen
  • Alphabetized phone book

In-app purchases

4 purchases

Deep Whois

Subscriptions3
  • Deep Whois Pro (1 Week)$1.997 Days
  • Deep Whois Pro (1 Month)3 Days trial$3.991 Month
  • Deep Whois Pro (1 Year)7 Days trial$29.991 Year
One-time1
  • Deep Whois Plus (Lifetime)$0.99
None

T

No in-app purchases

Questions

Is Deep Whois free?
Deep Whois is free to download, with in-app purchases available.
Is T free?
T is free to download, with no in-app purchases.
Which has better reviews, Deep Whois or T?
Deep Whois is rated higher. Deep Whois averages 4.5 out of 5 from 172 ratings, while T averages 3.1 from 88 ratings.
Do Deep Whois or T have ads?
Deep Whois shows ads; T does not.
Which is updated more often, Deep Whois or T?
Deep Whois ships an update every 4 months, and T every 3 months. Most recently, Deep Whois was updated on October 31, 2026 and T on November 3, 2026.

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