KB Tools vs FastDDNS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
KB Tools
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KB Tools contains the following set of tools: Area-calculator, Volume-calculator, Unit converter and an Elevation-calculator. Area-calculator: - Rectangle - Triangle - Trapezoid - Circle - Sector - Ellipse - Parallelogram Volume-calculator: - Sphere - Cone - Cube - Cylinder - Rectangular Tank - Capsule - Sperical Cap - Conical Frustum - Ellipsoid - Square Pyramid - Tube The area-tool accept input in meters, feet, yards, inches, miles, kilometers and centimeters. The volume-tools does also includes input in millimeters, micrometers and nanometers if needed. The Elevation-tool lets you calculate the grade, grade in percentage, angle in degrees and the fraction when filling in the vertical distance and the horizontal distance. Accepts the following input units: millimeter, centimeter, meter, kilometer, inches, feet, yards, miles, and nautical miles. The converter-tool let you convert units of Length, Weight and Mass, Area, Volume, Time, Temperature, Speed and Data storage. See the full list below! Length: Meter, Kilometer, Decimeter, Centimeter, Millimeter, Micrometer, Nanometer, Mile, Yard, Foot, Inch, Nautical Mile and Light year. Weight and Mass: Kilogram, Gram, Milligram, Ton, Pounds, Ounce, Carrat, Ton (short), Ton (long) and Atomic Mass Unit. Area: Square neter, Square kilometer, Square centimeter, Square millimeter, Square micrometer, Hectare, Square mile, Square yard, Square foot, Square inch and Acre. Volume: Cubic meter, Cubic kilometer, Cubic centimeter, Cubic millimeter, Liter, Milliliter, Gallon, Quart, Pint, Cup, Tablespoon, Teaspoon, Fluid ounce, Cubic mile, Cubic yard, Cubic foot and Cubic inch. Time: Second, millisecond, Minute, Hour, Day, Week, Month and Year. Temperature: Kelvin, Celcius, Fahrenheit, Rankine and Reaumur. Speed: Meter/second, Kilomter/hour, Mile/hour, meter/hour, Kilometer/second, Foot/hour, Foot/second, Mile/second, Knot and Mach. Data storage: Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte and Exabyte. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://somnail.no/privacy-policy/
FastDDNS
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FastDDNS is a toolbox for IT technicians, network admins, CCTV installers, MSPs, and home-lab users. Manage changing IPs, configure cameras, and diagnose remote access on site. One toolbox combines DDNS, camera setup, ONVIF inspection, and internet-side checks. Why FastDDNS Plain DDNS updates a hostname. FastDDNS helps prove where a connection fails: on the device, at port forwarding, behind CGNAT, or at the ISP. DDNS hostname management β’ Create hostnames on FastDDNS domains or on your own domain. β’ See the current IP with country and ISP, last update time, expiry date, and service pack. β’ Copy hostname/IP, add notes, review history, and enable IP-change push notifications. β’ Ping a hostname, move it between service packs, or delete it. β’ DynDNS-compatible updates work with routers, NAS, scripts, and third-party clients. Auto Setup for CCTV Camera No more typing the DDNS server, hostname, username, and password into the camera's web UI. Enter a camera, DVR, or NVR IP on the LAN or WAN, port, and login. Tap Scan IP to pick the device straight from the LAN. Choose Hikvision, Dahua, EZVIZ, Imou, XMEye, HiLook, Tiandy, or Other. FastDDNS writes the DDNS settings and, where required, DNS or email settings. Manual DDNS Configuration covers Hikvision, Dahua, DrayTek, MikroTik, pfSense, Linux/curl, and Windows. ONVIF Camera Enter a camera IP to read manufacturer, model, firmware, serial number, hardware ID, hostname, service endpoint, ONVIF versions, and services without a password. Sign in with camera credentials to list every video stream and profile with snapshot thumbnails. Watch live video inside the app. Copy the RTSP link with or without credentials, ready for an NVR, VMS, or VLC. A tries-left counter helps avoid locking out the camera account. Network tools β’ LAN Scanner β Find LAN devices, identify vendors, and see open ports. β’ Port Checker β Test TCP/UDP ports from your phone and from the internet at once, so you know if the problem is forwarding, CGNAT, or the ISP. β’ Ping β Measure live latency, min/avg/max, packet loss, and standard deviation. β’ Traceroute β See each hop and transit delay. β’ CGNAT Checker β Detect ISP CGNAT and NAT loopback support. β’ MAC Vendor Lookup β Identify a manufacturer from a MAC address. β’ DNS Lookup β Query A, AAAA, CNAME, MX, TXT, and NS records. β’ MX Lookup β Find mail server records for a domain. β’ Domain Whois Lookup β View domain registration and owner details. β’ IP Whois Lookup β Identify the organization behind a public IP. β’ Storage Calculator β Estimate CCTV storage from channels, bitrate, resolution, and schedule. Compatible devices and systems Dahua, Hikvision, Imou, EZVIZ, HiLook, XMEye, Tiandy, UNV, MikroTik, pfSense, DrayTek, Windows, Linux, NAS, and DynDNS-compatible clients. Who it's for β’ IT technicians and network administrators β’ CCTV and IP-camera installers β’ MSP field technicians β’ Home-lab and self-hosting users Plans β’ Free 1 Hostname β one hostname, valid for one year, free. β’ Free with Limited Use β extra hostnames, 30 days each; reactivate to continue. β’ Premium Packs β more hostnames and longer validity. Keep DDNS, camera setup, and connectivity checks together on site. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fastddns.net/privacy
Screenshots
Verdict
The clearest difference is update cadence: KB Tools at every 2 days against FastDDNS's every 11 days. KB Tools also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and 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
Both are free to download. KB Tools sells 1 in-app purchase, starting at $1.99 per month and FastDDNS sells 3 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.
KB Tools ships an update every 2 days, FastDDNS every 11 days. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.
| Parameter | KB Tools | FastDDNS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 11 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 57 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Kristoffer Bjoernvik | Minh Nguyen |
In-app purchases
KB Tools
- KB Tools No Ads$1.991 Month
FastDDNS
- Premium Basic Yearly$19.991 Year
- Premium Pro Yearly$34.991 Year
- Premium Business Yearly$69.991 Year









