Church Calendar vs Nager.Date
Same instrument, two spec sheets — measured, not claimed.
Church Calendar vs Nager.Date: common questions
Which is more reliable, Church Calendar or Nager.Date?
Both are neck-and-neck — Church Calendar and Nager.Date 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, Church Calendar or Nager.Date?
Nager.Date has the lower median latency in our checks — Church Calendar responds in 848 ms versus Nager.Date at 56 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 Church Calendar and Nager.Date need an API key?
Neither needs a paid key — Church Calendar is callable with no signup, and Nager.Date is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Church Calendar and Nager.Date from the browser?
Only Nager.Date is browser-friendly — it returns CORS headers over HTTPS. Church Calendar needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Church Calendar and Nager.Date free for commercial use?
Church Calendar has unclear commercial terms, and Nager.Date 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.