Kroki vs WakaTime
Same instrument, two spec sheets — measured, not claimed.
Kroki vs WakaTime: common questions
Which is more reliable, Kroki or WakaTime?
Both are neck-and-neck — Kroki and WakaTime each measure 100% 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, Kroki or WakaTime?
Kroki has the lower median latency in our checks — Kroki responds in 633 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 Kroki and WakaTime need an API key?
Neither needs a paid key — Kroki is callable with no signup, and WakaTime is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Kroki and WakaTime from the browser?
Only Kroki 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 Kroki and WakaTime free for commercial use?
Kroki 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.