What3Words vs Ziptastic
Same instrument, two spec sheets — measured, not claimed.
What3Words vs Ziptastic: common questions
Which is more reliable, What3Words or Ziptastic?
Both are neck-and-neck — What3Words and Ziptastic 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, What3Words or Ziptastic?
Ziptastic has the lower median latency in our checks — What3Words responds in 391 ms versus Ziptastic at 366 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 What3Words and Ziptastic need an API key?
Ziptastic needs no key, while What3Words requires a free API key. If you want to start calling without signup, reach for Ziptastic first.
Can I call What3Words and Ziptastic from the browser?
Only Ziptastic is browser-friendly — it returns CORS headers over HTTPS. What3Words needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are What3Words and Ziptastic free for commercial use?
What3Words has unclear commercial terms, and Ziptastic 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.