RainViewer vs Solematica
Same instrument, two spec sheets — measured, not claimed.
RainViewer vs Solematica: common questions
Which is more reliable, RainViewer or Solematica?
Both are neck-and-neck — RainViewer and Solematica 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, RainViewer or Solematica?
Solematica has the lower median latency in our checks — RainViewer responds in 551 ms versus Solematica at 267 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 RainViewer and Solematica need an API key?
Neither needs a paid key — RainViewer is callable with no signup, and Solematica is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call RainViewer and Solematica from the browser?
Only RainViewer is browser-friendly — it returns CORS headers over HTTPS. Solematica needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are RainViewer and Solematica free for commercial use?
RainViewer has unclear commercial terms, and Solematica 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.