TimeZones iCal Library vs Tumblr
Same instrument, two spec sheets — measured, not claimed.
TimeZones iCal Library vs Tumblr: common questions
Which is more reliable, TimeZones iCal Library or Tumblr?
Both are neck-and-neck — TimeZones iCal Library and Tumblr 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, TimeZones iCal Library or Tumblr?
Tumblr has the lower median latency in our checks — TimeZones iCal Library responds in 337 ms versus Tumblr at 208 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 TimeZones iCal Library and Tumblr need an API key?
TimeZones iCal Library needs no key, while Tumblr requires OAuth. If you want to start calling without signup, reach for TimeZones iCal Library first.
Can I call TimeZones iCal Library and Tumblr from the browser?
Yes — both TimeZones iCal Library and Tumblr 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 TimeZones iCal Library and Tumblr free for commercial use?
TimeZones iCal Library has unclear commercial terms, and Tumblr 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.