# Deep Whois vs Power Reader

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.

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.

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.

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.

## The numbers

| Metric | Deep Whois | Power Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (172 ratings)](https://appshunter.io/ios/app/deep-whois/id328895000/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/power-reader-document-book-reader/id634735479/reviews) |
| Number of ratings | **172** | 4 |
| Positive reviews | **85.4% of reviews** | 55.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 73 MB |
| Requires iOS | 13.4 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pavel Ahafonau](https://appshunter.io/developer/319585607) | [ComcSoft Corporation](https://appshunter.io/developer/413971334) |

## What reviewers say

### Deep Whois

[App page](https://appshunter.io/ios/app/deep-whois/id328895000)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep Whois Pro (1 Week) | $1.99 | per 7 days |
| Deep Whois Pro (1 Month) | $3.99 | per month |
| Deep Whois Pro (1 Year) | $29.99 | per year |
| Deep Whois Plus (Lifetime) | $0.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/power-reader-document-book-reader/id634735479)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*