DNS Button vs Linkalyst

DNS Button switches the DNS on your iPhone and iPad. Pick a provider, turn it on, and approve it once in Settings. It covers Wi-Fi and cellular, and always shows the resolver in use. BUILT-IN PROVIDERS AdGuard, Canadian Shield, CleanBrowsing, Cloudflare, Control D, DNS4EU, Google, NextDNS, OpenDNS and Quad9, with the filtering options each one offers for malware, ads and families. RESPONSE TIMES See how fast every provider answers from where you are, measured on your device. ENCRYPTED DNS DNS over HTTPS or TLS, wherever the provider offers it. SHORTCUTS AND SIRI Switch providers or turn DNS Button on and off from Shortcuts, Spotlight or Siri. DNS BUTTON PRO • Custom DNS: add any DNS server, or set up NextDNS, Control D, AdGuard DNS, Cloudflare Zero Trust, CleanBrowsing, Pi-hole or AdGuard Home from an ID or address. • iCloud sync: your custom DNS servers on all your devices. • DNS leak test: see which resolver answers your lookups. • Filter check: make sure your filter blocks what it should. • Trusted Networks: turn DNS Button off on the Wi-Fi networks you name. • Focus filters: DNS that changes with your Focus, and changes back. One subscription covers your whole family with Family Sharing. The providers and their response times stay free. PRIVACY No analytics, no tracking and no account. Your DNS lookups go straight to the provider you choose. DNS Button Pro is an auto-renewable yearly subscription, with a one-week free trial for new subscribers. Payment is charged to your Apple Account when the trial ends, or when you confirm the purchase if you have had a trial or subscribed before. It renews automatically unless you cancel at least 24 hours before the end of the trial or the current period, and you can manage or cancel it in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dnsbutton.dev/privacy

Ping with a live latency chart, query encrypted DNS (DoH and DoT), check TCP ports, see where an HTTPS request spends its time and trace every hop, on iPhone and iPad. Test results are saved as reports you can search and share. EVERYDAY CHECKS • Internet Speed Test: speed, packet loss and Connection Quality in one tap • Popular Services: how fast popular sites and services connect, ordered for your region • Discover: your gateway, Bonjour services and My Devices in one place • This Device: model, battery, storage and how this device connects • Share a Card: share a speed test, Popular Services or latency result as an image; five more styles with Plus MEASURE THE CONNECTION • Chart Ping (ICMP) probes live; up to six targets in one run and UDP probes with Plus • Typical latency (P50), slower requests (P95, P99), variation, timeout rate and longest timeout streak • Tap the chart to inspect a request and add notes as you test; timeouts are marked, never plotted as latency • Check a TCP port once or up to 50 times in a row SEE WHERE EVERY MILLISECOND GOES • Website Check sends five HEAD or GET requests in a row and can follow redirects hop by hop • Times DNS, TCP, TLS and time to first byte • Shows the HTTP protocol, TLS version, cipher suite and certificate chain, with expiry dates and SHA-256 fingerprints COMPARE DNS RESULTS • Query system DNS or choose UDP, TCP, DNS over HTTPS (DoH) or DNS over TLS (DoT) • Compare system DNS with up to four resolvers, each on its own protocol: fastest this round, record differences, response codes and failures (Plus) • Presets for Cloudflare, Google and DNSPod, or a custom endpoint • A, AAAA, CNAME, MX, TXT, NS, SOA and PTR records, with TTLs • DoH and DoT apply to queries in Linkalyst; they don't change your device's DNS settings SCAN PORTS AND ORGANIZE DEVICES • Batch Scan in Port Check takes IPv4 lists or CIDR and known IPv6 addresses, with port presets or your own ranges: up to 256 addresses and 4,096 address/port pairs per run (Plus) • Discover scans your network and lists devices that answer, with names, services and open ports; on iOS 27 also hardware addresses and makers (Plus) • Keep targets, notes and related reports in My Devices, optionally grouped by network ROUTES, SPEED AND ADDRESSES • Route Trace for IPv4 and IPv6: up to 30 hops, 1 to 3 probes per hop, optional hop hostname lookup • See this device's addresses and gateway; turn on IP Lookup in Settings for your public IP, region, network organization and ASN (via FreeIPAPI) • Download Test for a URL you choose, up to 64 MiB or 10 seconds • Throughput Test for upload or download to a free test peer you run on your own computer • Offline IPv4/IPv6 Subnet Calculator KEEP THE RESULTS • Search, star and tag reports; share them as JSON, or request-level data as CSV (one export free, then Plus) • Compare two runs with latency curves overlaid; repeated port checks, website checks, download and throughput tests and route traces are paired by target (Plus) • Optional iCloud Drive report sync, off by default (Plus) BUILT FOR IPHONE AND IPAD • Follow a running test on the Lock Screen and, on supported iPhones, in the Dynamic Island, where you can also stop it • On iPad, open the tools or a single report in its own window Use network tests only on systems you own or have permission to test. UDP latency and Throughput Test require a compatible test peer; instructions are linked in the app. Linkalyst is free to download, and its everyday tools are free. Items marked (Plus) need Linkalyst Plus, a one-time purchase that also removes all ads and supports Family Sharing. Privacy Policy: https://linkalyst.entromoonic.com/privacy-policy Terms of Service: https://linkalyst.entromoonic.com/terms-of-service