GDBrowser vs TETR.IO
Same instrument, two spec sheets — measured, not claimed.
GDBrowser vs TETR.IO: common questions
Which is more reliable, GDBrowser or TETR.IO?
On our scheduled checks, TETR.IO leads on measured uptime — GDBrowser at 99.02% versus TETR.IO at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, GDBrowser or TETR.IO?
GDBrowser has the lower median latency in our checks — GDBrowser responds in 209 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 GDBrowser and TETR.IO need an API key?
Neither needs a paid key — GDBrowser 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 GDBrowser and TETR.IO from the browser?
Yes — both GDBrowser 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 GDBrowser and TETR.IO free for commercial use?
GDBrowser 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.