PredScope vs Signaliz
Same instrument, two spec sheets — measured, not claimed.
PredScope vs Signaliz: common questions
Which is more reliable, PredScope or Signaliz?
On our scheduled checks, Signaliz leads on measured uptime — PredScope at —% versus Signaliz 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 PredScope and Signaliz need an API key?
PredScope needs no key, while Signaliz requires a free API key. If you want to start calling without signup, reach for PredScope first.
Can I call PredScope and Signaliz from the browser?
Yes — both PredScope and Signaliz 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 PredScope and Signaliz free for commercial use?
PredScope has unclear commercial terms, and Signaliz 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.