Free Dictionary vs Wizard World
Same instrument, two spec sheets — measured, not claimed.
Free Dictionary vs Wizard World: common questions
Which is more reliable, Free Dictionary or Wizard World?
On our scheduled checks, Wizard World leads on measured uptime — Free Dictionary at 95.1% versus Wizard World 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, Free Dictionary or Wizard World?
Free Dictionary has the lower median latency in our checks — Free Dictionary responds in 58 ms versus Wizard World at 623 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 Free Dictionary and Wizard World need an API key?
Neither needs a paid key — Free Dictionary is callable with no signup, and Wizard World is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Free Dictionary and Wizard World from the browser?
Yes — both Free Dictionary and Wizard World 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 Free Dictionary and Wizard World free for commercial use?
Free Dictionary has unclear commercial terms, and Wizard World 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.