Church Calendar vs The Calendar
Same instrument, two spec sheets — measured, not claimed.
Church Calendar vs The Calendar: common questions
Which is more reliable, Church Calendar or The Calendar?
Both are neck-and-neck — Church Calendar and The Calendar 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 The Calendar?
The Calendar has the lower median latency in our checks — Church Calendar responds in 848 ms versus The Calendar at 588 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 The Calendar need an API key?
Neither needs a paid key — Church Calendar is callable with no signup, and The Calendar is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Church Calendar and The Calendar from the browser?
Only The Calendar 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 The Calendar free for commercial use?
Church Calendar has unclear commercial terms, and The Calendar 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.