Atlas Academy vs TETR.IO
Same instrument, two spec sheets — measured, not claimed.
Atlas Academy vs TETR.IO: common questions
Which is more reliable, Atlas Academy or TETR.IO?
Both are neck-and-neck — Atlas Academy and TETR.IO 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, Atlas Academy or TETR.IO?
TETR.IO has the lower median latency in our checks — Atlas Academy responds in 743 ms versus TETR.IO at 357 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 Atlas Academy and TETR.IO need an API key?
Neither needs a paid key — Atlas Academy is callable with no signup, and TETR.IO is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Atlas Academy and TETR.IO from the browser?
Yes — both Atlas Academy and TETR.IO 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 Atlas Academy and TETR.IO free for commercial use?
Atlas Academy has unclear commercial terms, and TETR.IO 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.