Lichess vs MMO Games
Same instrument, two spec sheets — measured, not claimed.
Lichess vs MMO Games: common questions
Which is more reliable, Lichess or MMO Games?
On our scheduled checks, MMO Games leads on measured uptime — Lichess at —% versus MMO Games 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 Lichess and MMO Games need an API key?
Neither needs a paid key — Lichess is callable with no signup, and MMO Games is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Lichess and MMO Games from the browser?
Only Lichess is browser-friendly — it returns CORS headers over HTTPS. MMO Games needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Lichess and MMO Games free for commercial use?
Lichess has unclear commercial terms, and MMO Games 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.