# Deep Whois vs OPSWAT Mobile App

The clearest difference is in-app purchases: OPSWAT Mobile App at none against Deep Whois's 4. OPSWAT Mobile App also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 4 months). Deep Whois's advantage is iOS requirement (13.4 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Deep Whois against 4.4 for OPSWAT Mobile App. 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 79% of OPSWAT Mobile App's.

Deep Whois ships an update every 4 months, OPSWAT Mobile App every 5 weeks. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Deep Whois | OPSWAT Mobile App |
| --- | --- | --- |
| 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/opswat-mobile-app/id1037540857/reviews) |
| Number of ratings | **172** | 76 |
| Positive reviews | **85.4% of reviews** | 79.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 8 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Ahafonau](https://appshunter.io/developer/319585607) | [OPSWAT](https://appshunter.io/developer/987603817) |

## 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


### OPSWAT Mobile App

[App page](https://appshunter.io/ios/app/opswat-mobile-app/id1037540857)

This app provides advanced cybersecurity to protect your smartphone from threats and vulnerabilities. It offers real-time threat detection, privacy protection, performance optimization, and suspicious activity monitoring. Easily assess and manage your device's security status with clear reports and instructions.

**Highlights:** Real-time threat detection, Privacy settings verification, Performance optimization tools, Suspicious IP connection detection, User-friendly interface, Multi-device monitoring

**Features:** 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 OPSWAT Mobile App free?

OPSWAT Mobile App is free to download, with no in-app purchases.

### Which has better reviews, Deep Whois or OPSWAT Mobile App?

Deep Whois is rated higher. Deep Whois averages 4.5 out of 5 from 172 ratings, while OPSWAT Mobile App averages 4.4 from 76 ratings.

### Do Deep Whois or OPSWAT Mobile App have ads?

Deep Whois shows ads; OPSWAT Mobile App does not.

### Which is updated more often, Deep Whois or OPSWAT Mobile App?

Deep Whois ships an update every 4 months, and OPSWAT Mobile App every 5 weeks. Most recently, Deep Whois was updated on October 31, 2026 and OPSWAT Mobile App on November 2, 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.*