Disify vs The Calendar
Same instrument, two spec sheets — measured, not claimed.
Disify vs The Calendar: common questions
Which is more reliable, Disify or The Calendar?
On our scheduled checks, The Calendar leads on measured uptime — Disify at —% versus The Calendar at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Disify and The Calendar need an API key?
Neither needs a paid key — Disify 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 Disify and The Calendar from the browser?
Yes — both Disify and The Calendar 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 Disify and The Calendar free for commercial use?
Disify 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.