Bufferapp vs The Calendar
Same instrument, two spec sheets — measured, not claimed.
Bufferapp vs The Calendar: common questions
Which is more reliable, Bufferapp or The Calendar?
Both are neck-and-neck — Bufferapp 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, Bufferapp or The Calendar?
Bufferapp has the lower median latency in our checks — Bufferapp responds in 547 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 Bufferapp and The Calendar need an API key?
The Calendar needs no key, while Bufferapp requires a free API key. If you want to start calling without signup, reach for The Calendar first.
Can I call Bufferapp and The Calendar from the browser?
Only The Calendar is browser-friendly — it returns CORS headers over HTTPS. Bufferapp needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Bufferapp and The Calendar free for commercial use?
Bufferapp 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.