NetworkCalc vs OpenQR
Same instrument, two spec sheets — measured, not claimed.
NetworkCalc vs OpenQR: common questions
Which is more reliable, NetworkCalc or OpenQR?
On our scheduled checks, OpenQR leads on measured uptime — NetworkCalc at 99.02% versus OpenQR at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, NetworkCalc or OpenQR?
NetworkCalc has the lower median latency in our checks — NetworkCalc responds in 448 ms versus OpenQR at 1125 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do NetworkCalc and OpenQR need an API key?
NetworkCalc needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for NetworkCalc first.
Can I call NetworkCalc and OpenQR from the browser?
Yes — both NetworkCalc and OpenQR send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are NetworkCalc and OpenQR free for commercial use?
NetworkCalc has unclear commercial terms, and OpenQR has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.