GeoScore vs serpstack
Same instrument, two spec sheets — measured, not claimed.
GeoScore vs serpstack: common questions
Which is more reliable, GeoScore or serpstack?
On our scheduled checks, serpstack leads on measured uptime — GeoScore at 51.0% versus serpstack 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, GeoScore or serpstack?
serpstack has the lower median latency in our checks — GeoScore responds in 4141 ms versus serpstack at 492 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 GeoScore and serpstack need an API key?
Both ask you to authenticate — GeoScore uses an API key and serpstack 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 GeoScore and serpstack from the browser?
Only GeoScore is browser-friendly — it returns CORS headers over HTTPS. serpstack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are GeoScore and serpstack free for commercial use?
GeoScore has unclear commercial terms, and serpstack 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.