Sofiaplan vs Voidly
Same instrument, two spec sheets — measured, not claimed.
Sofiaplan vs Voidly: common questions
Which is more reliable, Sofiaplan or Voidly?
On our scheduled checks, Sofiaplan leads on measured uptime — Sofiaplan at 100% versus Voidly at 86.0% 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, Sofiaplan or Voidly?
Sofiaplan has the lower median latency in our checks — Sofiaplan responds in 861 ms versus Voidly at 1865 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 Sofiaplan and Voidly need an API key?
Neither needs a paid key — Sofiaplan is callable with no signup, and Voidly is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Sofiaplan and Voidly from the browser?
Only Voidly is browser-friendly — it returns CORS headers over HTTPS. Sofiaplan needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Sofiaplan and Voidly free for commercial use?
Sofiaplan has unclear commercial terms, and Voidly allows commercial use on its free tier. 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.