OpenQR vs Sheetsu
Same instrument, two spec sheets — measured, not claimed.
OpenQR vs Sheetsu: common questions
Which is more reliable, OpenQR or Sheetsu?
On our scheduled checks, Sheetsu leads on measured uptime — OpenQR at —% versus Sheetsu 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 OpenQR and Sheetsu need an API key?
Both ask you to authenticate — OpenQR uses an API key and Sheetsu uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call OpenQR and Sheetsu from the browser?
Yes — both OpenQR and Sheetsu 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 OpenQR and Sheetsu free for commercial use?
OpenQR has unclear commercial terms, and Sheetsu 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.