Lobsters vs TimeZones iCal Library

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms243337
P95 · ms1175714
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Lobsters vs TimeZones iCal Library: common questions

Which is more reliable, Lobsters or TimeZones iCal Library?

Both are neck-and-neck — Lobsters and TimeZones iCal Library 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, Lobsters or TimeZones iCal Library?

Lobsters has the lower median latency in our checks — Lobsters responds in 243 ms versus TimeZones iCal Library at 337 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 Lobsters and TimeZones iCal Library need an API key?

Neither needs a paid key — Lobsters is callable with no signup, and TimeZones iCal Library is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Lobsters and TimeZones iCal Library from the browser?

Only TimeZones iCal Library is browser-friendly — it returns CORS headers over HTTPS. Lobsters needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Lobsters and TimeZones iCal Library free for commercial use?

Lobsters has unclear commercial terms, and TimeZones iCal Library 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.