Deep Whois vs Cross Check Security
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Cross Check Security
Analyze files, URLs, and QR codes for security threats using VirusTotal reports. Modify complex URLs and create custom QR codes. Scan QR codes to preview content before activation.
- File analysis via VirusTotal
- URL reporting and modification
- QR code scanning
- QR code generation
- API key integration
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Use your API key to get File and URL reports from the free online service VirusTotal (https://virustotal.com)! Use our URL Lab to view and modify complex URLs. Our QR Code reader shows you the content of QR codes and lets you decide whether or not to activate the QR code. Our brand new QR Factory lets you create your own arbitrary QR codes.
Screenshots
Verdict
The clearest difference is price: Deep Whois at Free against Cross Check Security's $0.99. Deep Whois also leads on ratings volume (172 vs 1) and update cadence (every 4 months vs every 9 months). Cross Check Security's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 4).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Deep Whois is free to download; Cross Check Security costs $0.99 up front. Deep Whois sells 4 in-app purchases, starting at $1.99 per 7 days. Cross Check Security asks for nothing beyond the download.
Cross Check Security 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 1, 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 100% of Cross Check Security's.
Deep Whois ships an update every 4 months, Cross Check Security every 9 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.
| Parameter | Deep Whois | Cross Check Security |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.5 (172 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 85.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 172 — better | 1 |
| Update frequency | Every 4 months — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.4 — better | 18.6 |
| Further details — not scored | ||
| Size | 46 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Pavel Ahafonau | Christopher Shearer |
Customer experience
Deep Whois
Cross Check Security
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
Cross Check Security
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Deep Whois
- 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
- Deep Whois Plus (Lifetime)$0.99
Cross Check Security
No in-app purchases
Questions
Is Deep Whois free?
Is Cross Check Security free?
Which has better reviews, Deep Whois or Cross Check Security?
Do Deep Whois or Cross Check Security have ads?
Which is updated more often, Deep Whois or Cross Check Security?
Other comparisons
