Userstack vs WakaTime
Same instrument, two spec sheets — measured, not claimed.
Userstack vs WakaTime: common questions
Which is more reliable, Userstack or WakaTime?
On our scheduled checks, WakaTime leads on measured uptime — Userstack at 99.02% versus WakaTime 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, Userstack or WakaTime?
Userstack has the lower median latency in our checks — Userstack responds in 443 ms versus WakaTime at 969 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 Userstack and WakaTime need an API key?
WakaTime needs no key, while Userstack requires a free API key. If you want to start calling without signup, reach for WakaTime first.
Can I call Userstack and WakaTime from the browser?
Only Userstack is browser-friendly — it returns CORS headers over HTTPS. WakaTime needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Userstack and WakaTime free for commercial use?
Userstack has unclear commercial terms, and WakaTime 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.