Subnet Plus vs FlightDeck PAX

Subnet Plus is a fast, beautiful subnet calculator for network engineers, sysadmins, and students — now completely rebuilt for iPhone and iPad. Type any IPv4 or IPv6 address and instantly see the network address, broadcast, usable host range, subnet mask, wildcard mask, prefix length, total and usable hosts, IP class, and address type. A live prefix stepper lets you dial the mask up or down and watch every value update in real time. NETWORK CALCULATIONS • IPv4 and IPv6, auto-detected • Binary view with network/host bits color-coded • Visual address-space map PRO TOOLS • VLSM Designer — carve a network into right-sized subnets and save the plan • CIDR to subnet mask to wildcard converter • Subnet membership — is an address inside a network? • Range to CIDR, and supernet / aggregate • CIDR cheat sheet NETWORK UTILITIES • DNS Lookup — A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, and reverse PTR — using your device's resolver or any IPv4/IPv6 DNS server you add • Ping — round-trip time and packet loss • Traceroute — see the path to any host • Path Monitor (Pro) — a live, MTR-style traceroute with per-hop packet loss and latency • Network Scanner (Pro) — find the active devices on your local network, their names, and open ports • Email Auth — check a domain's SPF, DKIM, and DMARC records SIRI, WIDGETS & APPLE INTELLIGENCE • Explain this — turn any subnet calculation or Email Auth report into a plain-English explanation, generated on-device by Apple Intelligence • Siri & Shortcuts — calculate a subnet, ping a host, check a port, or ask "What's my network?" by voice, and use the same actions in your own Shortcuts • Live Activities — follow Path Monitor and Network Scanner from the Lock Screen and Dynamic Island • Home Screen widget — pin any saved subnet, with a different subnet per widget SAVE & SYNC • Label and save subnets, VLSM plans, and lookups • Everything syncs across your devices with iCloud • Share and export your results Available in 45 languages. Remove ads with a one-time in-app purchase.

From the creators of FlightDeck EFB comes PAX, the essential tool for UK pilots to create and manage passenger declarations whilst conducting cost-sharing flights. Create, sign, and manage compliant passenger declaration forms directly on your iPad or iPhone with no subscription just a one time purchase. Key Features: • CAA-Compliant Forms - Generate CAP-1590 compliant declaration forms that meet UK Civil Aviation Authority requirements for cost-sharing flights • Complete Digital Workflow - Enter flight details, pilot information, and passenger data in an intuitive, step-by-step interface • Digital Signatures - Collect passenger and pilot signatures directly on your device using Apple Pencil or finger • Professional PDFs - Generate shareable PDF documents with all flight details, passenger declarations, and signatures • Secure Storage - Keep completed declarations organised on your device with Face ID/Touch ID app lock protection • Smart Organisation - Track declaration status from draft to completion, with automatic validation of required fields • Backup & Export - Easily export PDFs via email, AirDrop, or cloud storage to meet the 6-month retention requirement • Pre-fill Defaults - Save your pilot and aircraft details to speed up future declarations Important: This app generates forms based on UK CAA CAP-1590 guidance (October 2025). Users are responsible for ensuring documents meet their specific regulatory requirements. All data is stored locally on your device - no cloud sync or online storage is used. Essential Passenger Information Included: Each declaration includes all required CAA guidance on cost-sharing regulations, aircraft airworthiness standards, pilot qualifications, and passenger acknowledgements. Stay Compliant, Stay Organised PAX streamlines the declaration process while ensuring you meet all regulatory requirements for cost-sharing flights in the UK.