# Deep Whois vs SN LookUp

The clearest difference is rating: SN LookUp at 5.0 against Deep Whois's 4.5. SN LookUp also leads on in-app purchases (none vs 4). Deep Whois's advantage is ratings volume (172 vs 2). On price, update cadence, ads 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. SN LookUp asks for nothing beyond the download.

SN LookUp holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Deep Whois has 172 ratings behind it against 2, so its average is the more settled of the two.

Deep Whois ships an update every 4 months, SN LookUp every 6 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Deep Whois | SN LookUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (172 ratings)](https://appshunter.io/ios/app/deep-whois/id328895000/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sn-lookup/id1500861845/reviews)** |
| Number of ratings | **172** | 2 |
| Positive reviews | 85.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 46 MB | 6 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Ahafonau](https://appshunter.io/developer/319585607) | [Rhanon LLC](https://appshunter.io/developer/1552543408) |

## 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


### SN LookUp

[App page](https://appshunter.io/ios/app/sn-lookup/id1500861845)

This utility tool helps you identify your device model, check warranty status, and explore built-in features. It offers a clean interface and allows you to scan barcodes for quick product details, enhancing your knowledge about your device.

**Highlights:** Identify device model, Check warranty status, Scan barcode for details, View built-in features, Clean and organized interface

**In-app purchases:** none


## Frequently asked questions

### Is Deep Whois free?

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

### Is SN LookUp free?

SN LookUp is free to download, with no in-app purchases.

### Which has better reviews, Deep Whois or SN LookUp?

SN LookUp is rated higher. Deep Whois averages 4.5 out of 5 from 172 ratings, while SN LookUp averages 5.0 from 2 ratings.

### Do Deep Whois or SN LookUp have ads?

Both Deep Whois and SN LookUp show ads.

### Which is updated more often, Deep Whois or SN LookUp?

Deep Whois ships an update every 4 months, and SN LookUp every 6 months. Most recently, Deep Whois was updated on October 31, 2026 and SN LookUp on November 3, 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.*