NetworkCalc vs ScreenshotOne.com
Same instrument, two spec sheets — measured, not claimed.
NetworkCalc vs ScreenshotOne.com: common questions
Which is more reliable, NetworkCalc or ScreenshotOne.com?
Both are neck-and-neck — NetworkCalc and ScreenshotOne.com each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, NetworkCalc or ScreenshotOne.com?
ScreenshotOne.com has the lower median latency in our checks — NetworkCalc responds in 448 ms versus ScreenshotOne.com at 340 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 ScreenshotOne.com need an API key?
NetworkCalc needs no key, while ScreenshotOne.com requires a free API key. If you want to start calling without signup, reach for NetworkCalc first.
Can I call NetworkCalc and ScreenshotOne.com from the browser?
Yes — both NetworkCalc and ScreenshotOne.com 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 ScreenshotOne.com free for commercial use?
NetworkCalc has unclear commercial terms, and ScreenshotOne.com 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.