DomainDig vs Maskduck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DomainDig
Inspect domains with comprehensive diagnostics including DNS records, SSL certificates, email security, and HTTP headers. Monitor changes, compare domains, and export data in various formats. Local-first design ensures your data stays private.
- DNS record lookup (A, MX, TXT, etc.)
- SSL/TLS certificate chain inspection
- Email security record parsing (SPF, DMARC)
- HTTP header analysis
- Redirect chain tracing
- Port scanning and latency measurement
- IP geolocation and mapping
- Domain ownership and subdomain discovery
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DomainDig is a fast, no-frills domain inspection tool for developers, sysadmins, and anyone who manages or troubleshoots servers and infrastructure. Enter any domain and run a full diagnostic in seconds: DNS: query A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, CAA, and DS records including wildcard entries, with TTL values, DNSSEC status, and reverse DNS (PTR) lookup for the resolved IP. SSL/TLS: inspect the full certificate chain — common name, SANs, issuer, validity dates, TLS version and cipher, and days until expiry with automatic color-coded warnings. Email Security: parse SPF, DMARC, DKIM, MTA-STS, and BIMI records with pass/fail indicators so you can verify email deliverability at a glance. HTTP Headers: fire a HEAD request and review all response headers, with security-relevant headers (HSTS, CSP, X-Frame-Options, and more) highlighted automatically. Redirect Chain: trace every HTTP redirect hop from initial request to final destination, with status codes at each step. Reachability & Ports: measure TCP latency on ports 80 and 443, and scan common ports (FTP, SSH, SMTP, MySQL, PostgreSQL, and more) to see what's open. IP Geolocation: look up the hosting org, city, region, and country for the resolved IP, with a live map view. Ownership & Subdomains: pull registrar, registration and expiry dates, and nameservers via RDAP, check domain availability, and discover subdomains. Every result loads in parallel and independently, then rolls up into a risk score with plain-language insights. Go beyond a single lookup: - Monitor domains on a schedule and get alerts when DNS, TLS, or email records change. - Group domains into Workflows and run them as a batch. - Compare any two domains side by side, and track changes across a full snapshot history. - Run structured Audit sessions with checklists, findings, and evidence. - Export as text, CSV, JSON, Markdown, or PDF — single reports or whole portfolios. - Home Screen widgets, Shortcuts, and a share extension put it where you work. - Optional iCloud sync keeps your domains and history across your devices. - A built-in local API exposes reports to your own scripts and automation. Local-first by design: your data stays on device unless you export, share, or sync it. No accounts. No ads. No tracking.
Maskduck
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Maskduck is the fastest way to hide sensitive information in your screenshots and photos before you share them. Smart detection finds private info for you — then a single tap covers it up. Everything happens on your device. Your photos never leave your phone. WHAT IT MASKS • Phone numbers • Email addresses • Credit and debit card numbers • ID and document numbers • Bank account numbers • IP addresses • License plates • Long numeric strings that look private HOW IT WORKS 1. Pick a photo from your library. 2. Maskduck scans the text and highlights anything sensitive. 3. Tap to hide it — or draw your own mask with the brush or rectangle tool. 4. Save or share. That's it. FOUR MASK STYLES • Solid — clean black bars • Pixelate — classic mosaic look • Blur — soft gaussian blur • Hide — cover with a matching background BUILT FOR PRIVACY • 100% on-device processing — nothing is uploaded • No account, no sign-in, no ads, no tracking • Works offline • Only asks for the photo permissions it actually needs WHO IT'S FOR • Anyone sharing receipts, tickets, or order confirmations • Sellers posting product photos with personal info in the background • Developers and designers sharing screenshots with tokens or emails • Journalists and researchers redacting documents • Anyone who values privacy before hitting "send" Stop cropping awkwardly or editing in five different apps. Maskduck handles it in seconds.
Screenshots
Verdict
The clearest difference is in-app purchases: DomainDig at none against Maskduck's 1. Maskduck's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Maskduck sells 1 one-off in-app purchase. DomainDig asks for nothing beyond the download.
DomainDig ships an update fortnightly, Maskduck weekly. Both last shipped on October 31, 2026.
| Parameter | DomainDig | Maskduck |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Cleberg | 雨燕 杨 |
In-app purchases
DomainDig
No in-app purchases
Maskduck
- Remove Watermark$0.99









