IPGeolocation vs Userstack
Same instrument, two spec sheets — measured, not claimed.
IPGeolocation vs Userstack: common questions
Which is more reliable, IPGeolocation or Userstack?
On our scheduled checks, IPGeolocation leads on measured uptime — IPGeolocation at 100% versus Userstack at 99.02% 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, IPGeolocation or Userstack?
IPGeolocation has the lower median latency in our checks — IPGeolocation responds in 259 ms versus Userstack at 443 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 IPGeolocation and Userstack need an API key?
Both ask you to authenticate — IPGeolocation uses an API key and Userstack uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call IPGeolocation and Userstack from the browser?
Yes — both IPGeolocation and Userstack 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 IPGeolocation and Userstack free for commercial use?
IPGeolocation has unclear commercial terms, and Userstack 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.