GrepEx vs NetDebug Toolkit
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GrepEx
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GrepEx is the ultimate regex and dorking toolkit for developers, security researchers, and power users. Generate production-ready regular expressions in 22 programming languages and build precise search queriesβall from your pocket. REGEX GENERATOR Stop wrestling with regex syntax. Select what you need to match, and GrepEx generates the pattern with language-specific code you can copy directly into your project. β’ 22 Languages: JavaScript, Python, Go, Rust, Java, C#, PHP, Ruby, Swift, Kotlin, TypeScript, Perl, Bash, PowerShell, and more β’ 80+ Templates: Email, URL, IP address, phone numbers, dates, credit cards, passwords, file paths, log parsing, and dozens more β’ Live Testing: Paste sample text and see matches highlighted instantly β’ Pattern Explanation: Understand what each regex component does in plain English β’ Safe Testing: Built-in protection against catastrophic backtracking (ReDoS) SEARCH DORKING ENGINE Craft advanced search queries to find exactly what you're looking for. Perfect for research, competitive analysis, and discovering hard-to-find resources. β’ Visual Query Builder: Combine operators like site:, filetype:, inurl:, intitle:, and intext: without memorizing syntax β’ 3,600+ GHDB Templates: Access the GHDB with categorized, searchable dork patterns β’ Smart Exclusions: Filter out noise with preset exclusion lists for cleaner results β’ One-Tap Search: Open your crafted query directly in your browser BUILT FOR PRODUCTIVITY β’ History & Favorites: Never lose a pattern you've created β’ Export & Import: Back up your patterns and transfer between devices β’ Dark Mode: Easy on the eyes during late-night coding sessions β’ VoiceOver Support: Full accessibility for all users PRIVACY FIRST Your data never leaves your device. No accounts, no cloud sync, no analytics, no tracking. GrepEx works entirely offline for core features. GREPEX PRO Unlock unlimited potential: β’ Save unlimited patterns and dorks β’ Access all 22 programming languages β’ Full GHDB search and save β’ Extended history (100 items) β’ Export/Import functionality Whether you're validating user input, parsing log files, scraping data, or conducting security research, GrepEx puts professional-grade tools in your hands. Download GrepEx and master regex today.
NetDebug Toolkit
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NetDebug Toolkit is the all-in-one network diagnostics suite for developers, sysadmins, IT teams, and power users. 20 pro-grade tools on iPhone, iPad, and Apple TV. Fast. Focused. No account. No tracking. Diagnose connectivity, DNS, routing, ports, certificates, throughput, and local-network services from one clean interface: NETWORK CORE β’ Ping : ICMP or HTTP HEAD reachability with timing and packet-loss stats β’ Traceroute : hop-by-hop route inspection β’ HTTP(S) Check : status, redirect chain, headers, TLS summary β’ Speed/Latency Baseline : download/upload presets from 1 MB to 64 MB β’ iperf3 Client : TCP throughput against an external iperf3 server (upload or download) β’ Public IP + Geo / ASN / ISP : current WAN IP with carrier and location detail β’ Path MTU Discovery : largest packet a route carries, black-hole detection, the constricting hop, and safe inner MTU for VPN DNS & DOMAIN β’ DNS Lookup : forward (host to A/AAAA) and Reverse DNS (IP to PTR), auto-detected from input β’ DNS Record Explorer : A, AAAA, CNAME, MX, TXT, NS, SRV via DNS-over-HTTPS (custom resolver supported) β’ Whois : RDAP or IANA WHOIS mode, with chained referrals SECURITY & TLS β’ TLS Certificate Inspector : full chain, validity, SANs, signature algorithm, weak-cert signals β’ Subnet Calculator : IPv4 and IPv6, usable host range, broadcast, gateway hints PORTS & CONNECTIVITY β’ Port Scan : custom ports or ranges β’ TCP/UDP Connect : per-port reachability with built-in UDP profiles (DNS, NTP, SNMP, SIP, RADIUS, TFTP, memcached) β’ NTP Time Check : clock offset vs. any NTP server with delay, stratum, and leap details β’ External Port Check : "can the internet reach me?" TCP port-forwarding test from an outside server (open/closed/filtered) β’ Run History & Trends : every run is saved on-device with charts of latency, speed, and more over time (free; longer retention with a purchase) LOCAL NETWORK β’ LAN Scan : fast or deep subnet host discovery β’ mDNS / Bonjour Browser : AirPlay, HomeKit, Matter, printers, SMB, SSH, and more β’ UPnP / NAT-PMP Discovery : router gateway port-mapping introspection β’ Wake-on-LAN Sender : send magic packets to wake compatible devices POWER-USER WORKFLOW β’ Saved Hosts : store frequently used IPs, hostnames, and MAC addresses with per-host tool defaults β’ My Automation : chain multiple tools into one-tap workflows with a combined PDF, PNG, or text run report β’ Export & Import : portable JSON files for automations and saved hosts (iOS share sheet, tvOS QR-code download) β’ Universal Links & Deeplinks : open any tool from a URL with pre-filled inputs, auto-run, and auto-export, e.g. https://netdebug.developerinsider.co/open/ping?target=1.1.1.1&export=pdf β’ Copy Deeplink : every tool and saved automation can copy its own shareable Universal Link β’ Built-in tool docs : quick-reference markdown for every tool APPLE TV / tvOS β’ Full feature parity : every tool, Saved Hosts, My Automation, and all three in-app purchases ship on Apple TV β’ LAN-only QR-code export : Apple TV serves run reports and JSON exports over a one-shot HTTP server; scan the QR with your phone to download LOCALIZED IN 21 LANGUAGES English, Arabic, Bengali, Chinese (Simplified), Dutch, French, German, Hindi, Hinglish, Indonesian, Italian, Japanese, Korean, Polish, Portuguese (Brazil), Russian, Spanish, Thai, Turkish, Ukrainian, Vietnamese. OPTIONAL IN-APP PURCHASES One-time, non-consumable, with Family-Sharing support and a single Restore Purchases action: β’ Remove Ads : disable all banner and interstitial ads β’ Unlimited Automations : lift the free-tier limit β’ Remove Ads + Unlimited Automations bundle : discounted starter pack Important: Use only on systems and networks you are authorized to test. Results are best-effort and may vary by network conditions, target configuration, and third-party service availability. Questions or bug reports? https://netdebug.app/support.html
Screenshots
Verdict
The clearest difference is price: NetDebug Toolkit at Free against GrepEx's $1.99. GrepEx's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
NetDebug Toolkit is free to download; GrepEx costs $1.99 up front. NetDebug Toolkit sells 3 one-off in-app purchases. GrepEx asks for nothing beyond the download.
GrepEx ships an update weekly, NetDebug Toolkit monthly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | GrepEx | NetDebug Toolkit |
|---|---|---|
| Price | $1.99 | Free β better |
| Update frequency | Weekly β better | Monthly |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, Apple TV β better |
| Requires iOS | 13.4 β better | 17.0 |
| Further details β not scored | ||
| Size | 12 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeremy Laratro | Vineet Choudhary |
In-app purchases
GrepEx
No in-app purchases
NetDebug Toolkit
- Remove Ads (Lifetime)$9.99
- Unlimited Automations$19.99
- Unlimited Automations + Remove Ads$24.99
Questions
Is GrepEx free?
Is NetDebug Toolkit free?
Do GrepEx or NetDebug Toolkit have ads?
Which is updated more often, GrepEx or NetDebug Toolkit?
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