ddownload vs ItsThisForThat
Same instrument, two spec sheets — measured, not claimed.
ddownload vs ItsThisForThat: common questions
Which is more reliable, ddownload or ItsThisForThat?
Both are neck-and-neck — ddownload and ItsThisForThat 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, ddownload or ItsThisForThat?
ItsThisForThat has the lower median latency in our checks — ddownload responds in 365 ms versus ItsThisForThat at 242 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 ddownload and ItsThisForThat need an API key?
ItsThisForThat needs no key, while ddownload requires a free API key. If you want to start calling without signup, reach for ItsThisForThat first.
Can I call ddownload and ItsThisForThat from the browser?
Neither sends browser-friendly CORS headers reliably, so call ddownload and ItsThisForThat from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are ddownload and ItsThisForThat free for commercial use?
ddownload has unclear commercial terms, and ItsThisForThat 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.