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Call of Duty Mobile vs Chess.com

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

APICall of Duty MobileHEALTHY79Chess.comHEALTHY98
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d100%98.3%
P50 · ms3317168
P95 · ms4193682
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API keyFree — no API key
Rate limitUnpublishedSerial requests expected; no fixed cap published
In directory since2026-07-052026-07-05
operationalpartialdownno data

Call of Duty Mobile vs Chess.com: common questions

Which is more reliable, Call of Duty Mobile or Chess.com?

Both are neck-and-neck — Call of Duty Mobile and Chess.com each measure 99.02% 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, Call of Duty Mobile or Chess.com?

Chess.com has the lower median latency in our checks — Call of Duty Mobile responds in 3317 ms versus Chess.com at 168 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 Call of Duty Mobile and Chess.com need an API key?

Neither needs a paid key — Call of Duty Mobile is callable with no signup, and Chess.com is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Call of Duty Mobile and Chess.com from the browser?

Only Chess.com is browser-friendly — it returns CORS headers over HTTPS. Call of Duty Mobile needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Call of Duty Mobile and Chess.com free for commercial use?

Call of Duty Mobile has unclear commercial terms, and Chess.com 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.