Comparison

Deep Whois vs Power Reader

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

Power Reader

This app allows you to view and manage a wide variety of document and eBook formats on your iPhone and iPad. It offers features like bookmarking, customizable reading settings, and cloud storage integration for seamless file access.

Highlights
  • View DOC, EXCEL, PDF, PPT, RTF, HTML, images, videos, and mp3
  • Read EPUB and TXT eBooks
  • Bookmark management for eBooks
  • Customizable reading settings (font, brightness, themes)
  • File Manager with import/export and cloud integration
  • Download eBooks from websites
Features
Read full description

Power Reader is a powerful tool to view documents and eBooks on iPad/iPhone. It supports: -Open and view many document types, including: DOC, EXCEL, PDF, PPT, RTF, HTML, images, videos and mp3 files. -Read EPUB and TXT eBooks in Book Reader. -Add and manage Bookmarks on eBooks. -Enable different viewing settings on eBooks, including: font, brightness, themes, day/night modes. - Auto play eBooks with speed setting. -Add and manage documents in your favorite file list. -Open documents from your recent file list. -Download eBooks from websites. - Download from/upload to Dropbox, Box and GoogleDrive. (Upgrade Required) Power Reader also has a File Manager, which supports the following features: -Import files from your Email or another App through “Open In”. -Manage Files including: rename, delete, move, create folder and sort. -Search file names. -Email and print documents. -Open a document using another App. With its simple interfaces, Power Reader provides the easiest way to read documents and eBooks on iPhone and iPad. If you have any questions, please visit: http://www.comcsoft.com/Portfolio/our_apps/PowerReader/PowerReader_overview.php.

Screenshots

Deep Whois4 screens
Power Reader4 screens

Verdict

The call

The clearest difference is rating: Deep Whois at 4.5 against Power Reader's 3.8. Deep Whois also leads on review sentiment (85% vs 55%) and ratings volume (172 vs 4). Power Reader's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, 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. Power Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Deep Whois holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Deep Whois has 172 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 85% of Deep Whois's written reviews are positive against 55% of Power Reader's.

UpkeepUpdate frequency

Deep Whois ships an update every 4 months, Power Reader every 2 months. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

Scorecard7 real differences · 3 level
Deep Whois versus Power Reader: the parameters behind the verdict, then further details
ParameterDeep WhoisPower Reader
PriceFreeFree
Rating4.5 (172 ratings) — better3.8 (4 ratings)
Positive reviews85.4% of reviews — better55.0% of reviews
Number of ratings172 — better4
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.48.0 — better
Further details — not scored
Size46 MB73 MB
Age rating4+17+
DeveloperPavel AhafonauComcSoft Corporation

Customer experience

Deep Whois

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

Power Reader

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews40 reviews
Positive55.0%
Neutral12.5%
Negative32.5%

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

Power Reader

Not enough reviews yet to summarise bugs or requests.

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

Power Reader

No in-app purchases

Questions

Is Deep Whois free?
Deep Whois is free to download, with in-app purchases available.
Is Power Reader free?
Power Reader is free to download, with no in-app purchases.
Which has better reviews, Deep Whois or Power Reader?
Deep Whois is rated higher. Deep Whois averages 4.5 out of 5 from 172 ratings, while Power Reader averages 3.8 from 4 ratings.
Do Deep Whois or Power Reader have ads?
Deep Whois shows ads; Power Reader does not.
Which is updated more often, Deep Whois or Power Reader?
Deep Whois ships an update every 4 months, and Power Reader every 2 months. Most recently, Deep Whois was updated on September 28, 2026 and Power Reader on October 6, 2026.

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