Comparison

SpamSlap vs DomainLens Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SpamSlap

Features
Read full description

SpamSlap — Block Spam Calls & Filter Junk SMS Tired of unwanted calls and spam text messages? SpamSlap gives you the power to block thousands of spam numbers with a single rule using smart wildcard patterns. CALL BLOCKING WITH WILDCARD PATTERNS Create powerful blocking rules using the # wildcard character. Each # matches any digit from 0 to 9, letting you block entire number ranges at once. Example: +12125551#### blocks 10,000 numbers from +121255510000 to +121255519999 — all with just one rule. SMS FILTERING Filter spam text messages by sender name or keywords. Messages from unknown senders that match your rules are automatically moved to the Junk folder. - Filter by alphanumeric sender name - Filter by keyword (case insensitive) - Works automatically in the background KEY FEATURES - Wildcard pattern system for mass call blocking - Country code picker with 40+ countries - SMS filtering by sender name or keyword - Available in English, Turkish, German, and Spanish - Simple setup with step-by-step instructions - Clean, intuitive interface HOW IT WORKS 1. Add a blocking rule with a number pattern 2. Use # wildcards to match any digit 3. Enable the SpamSlap extension in Settings 4. Enjoy a spam-free phone experience FREE & PREMIUM The free version includes essential blocking features. Upgrade to Premium for unlimited rules and wildcards. SpamSlap requires enabling the Call Blocking & Identification extension (Settings > Phone) and SMS Filter extension (Settings > Messages) to function.

About

DomainLens Pro

Instantly analyze any domain, IP, or URL with over 24 specialized probes. Get a comprehensive, color-graded report covering security, DNS, SSL, email, web stack, and infrastructure details. Ideal for IT professionals and security analysts needing quick domain reconnaissance.

Highlights
  • 24+ specialized domain probes
  • Color-graded security reports
  • Detailed DNS & WHOIS records
  • SSL/TLS certificate analysis
  • Web stack and exposure scanning
  • IPv4/IPv6 reverse lookup
  • Scan history and offline browsing
Features
Read full description

DomainLens Pro is a one-tap domain reconnaissance toolkit for IT pros, security analysts, developers, and anyone responsible for a domain. Type any domain, IP, or URL and DomainLens Pro runs 24+ specialized probes in two parallel phases, then aggregates the results into a single color-graded report. Browse it across ten organized tabs: • Overview — A–F security grade with a confidence score, top remediation actions, and per-category breakdown • DNS & WHOIS — A, AAAA, MX, NS, TXT, SOA records, TTLs, registrar, expiry, name servers, registration history • Identity (RDAP) — RFC 9083 lookup, abuse contact, EPP statuses, transfer history, privacy-redaction detection • SSL / TLS — full certificate chain, validity, signature algorithm, SANs, OCSP stapling, forward secrecy, and post-quantum readiness (X25519MLKEM768 / SecP256r1MLKEM768) • Headers — HSTS preload eligibility, CSP nonce/hash analysis, X-Frame-Options, COOP, COEP, Referrer-Policy, Permissions-Policy • Email — SPF strict alignment, DKIM key strength, DMARC policy + alignment, MTA-STS, TLS-RPT, BIMI, DANE, full mail-server diagnostics • Web Stack — server fingerprint, technology detection, third-party JS / dependency inventory, JS-derived endpoint discovery • Exposure — sensitive file probes (.git, .env, robots.txt), CORS misconfigurations, dangerous HTTP methods, exposed login portals • Infrastructure — ASN, hosting provider, cloud platform (AWS/Azure/GCP/Cloudflare), CDN/WAF detection, GeoIP, anycast detection, RPKI validation, IPv4 + IPv6 reachability • Intel — DNSSEC validation, CAA records, HTTPS/SVCB records, dangling CNAME detection, zone-transfer test, Certificate Transparency subdomain enumeration, DNSBL reputation, CVE lookup against detected tech via NVD, historical drift tracking Also handles: • IPv4 / IPv6 reverse-lookup mode — paste an IP, get the domain back • Private network mode — paste an internal RFC 1918 IP and get ICMP/HTTP/HTTPS detection, OS fingerprint by TTL, ARP MAC vendor lookup, traceroute (full on Mac; iOS sandbox limits some probes) • Scan history with one-tap re-scan, offline browsing, sync across devices via Google Sign-In • Versioned scoring algorithm with confidence weighting and partial-result handling for slow targets • Post-quantum TLS twin probe to verify hybrid key-exchange support Built for security pros: • Full TLS pinning to the scan backend • No analytics, no ad SDKs, no third-party tracking • Sign-in is optional — without it, no personal data ever leaves the device• When you do sign in, choose any of: Apple, Google, Microsoft, GitHub, or a one-time email code (no passwords, ever)• Native iPhone, iPad, and Mac Catalyst layouts with platform-appropriate menus and Cmd+1–9 keyboard shortcuts on Mac No subscription. No upsell.

Screenshots

SpamSlap4 screens
DomainLens Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: DomainLens Pro at none against SpamSlap's 1. DomainLens Pro also leads on device support (4 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SpamSlap sells 1 one-off in-app purchase. DomainLens Pro asks for nothing beyond the download.

Scorecard3 real differences · 6 level
SpamSlap versus DomainLens Pro: the parameters behind the verdict, then further details
ParameterSpamSlapDomainLens Pro
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 2 days
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS18.015.0 — better
Further details — not scored
Size9 MB73 MB
Age rating4+4+
DeveloperSerhat KOSEAegyrix, LLC

In-app purchases

1 purchases

SpamSlap

One-time1
  • SpamSlap Premium$1.99
None

DomainLens Pro

No in-app purchases

Questions

Is SpamSlap free?
SpamSlap is free to download, with in-app purchases available.
Is DomainLens Pro free?
DomainLens Pro is free to download, with no in-app purchases.
Do SpamSlap or DomainLens Pro have ads?
Neither SpamSlap nor DomainLens Pro shows ads.

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