# Deep Whois vs BlackFog Privacy

The clearest difference is monetization model: Deep Whois at free with in-app purchases against BlackFog Privacy's subscription. Deep Whois also leads on review sentiment (85% vs 60%). BlackFog Privacy's advantage is ads (none vs shown) and update cadence (monthly vs every 4 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Deep Whois sells 4 in-app purchases, starting at $1.99 per 7 days and BlackFog Privacy sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Deep Whois against 4.4 for BlackFog Privacy. Both are backed by a comparable volume of ratings — 172 and 76 respectively. Written reviews are what separate them: 85% of Deep Whois's written reviews are positive against 60% of BlackFog Privacy's.

Deep Whois ships an update every 4 months, BlackFog Privacy monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Deep Whois | BlackFog Privacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (172 ratings)](https://appshunter.io/ios/app/deep-whois/id328895000/reviews)** | [4.4 (76 ratings)](https://appshunter.io/ios/app/blackfog-privacy/id1400519651/reviews) |
| Number of ratings | **172** | 76 |
| Positive reviews | **85.4% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 46 MB | 18 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Ahafonau](https://appshunter.io/developer/319585607) | [BlackFog, Inc.](https://appshunter.io/developer/1151173433) |

## 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


### BlackFog Privacy

[App page](https://appshunter.io/ios/app/blackfog-privacy/id1400519651)

Enhance your browsing experience by blocking ads, trackers, and malicious sites. This app improves browsing speed, reduces data usage, and protects your device from various online threats.

**Highlights:** Blocks advertising on over 99% of sites, Stops website tracking and data aggregation, Eliminates crypto-jacking and botnet attacks, Blocks fake news and phishing sites, Prevents Facebook profiling and tracking, Decreases data usage and increases browsing speed, Improves battery life

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Features - Monthly | $1.99 | per month |
| All Features - Yearly | $19.99 | per year |


## Frequently asked questions

### Is Deep Whois free?

Deep Whois is free to download, with in-app purchases available.

### Is BlackFog Privacy free?

BlackFog Privacy is free to download, with in-app purchases available.

### Which has better reviews, Deep Whois or BlackFog Privacy?

Deep Whois is rated higher. Deep Whois averages 4.5 out of 5 from 172 ratings, while BlackFog Privacy averages 4.4 from 76 ratings.

### Do Deep Whois or BlackFog Privacy have ads?

Deep Whois shows ads; BlackFog Privacy does not.

### Which is updated more often, Deep Whois or BlackFog Privacy?

Deep Whois ships an update every 4 months, and BlackFog Privacy monthly. Most recently, Deep Whois was updated on October 23, 2026 and BlackFog Privacy on October 24, 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.*