What happened to the URL on file for SintAi?

URL unreachable The URL on file (https://apps.apple.com/us/app/sintai/id6476277814) did not respond across three consecutive checks; the streak completed on 2026-09-18.

This reports what that URL did, not a claim that SintAi itself is gone: the address on file does not confidently match SintAi's own domain, so if it turns out to be a marketplace or listing page rather than SintAi's own site, this observation is still accurate about the URL, just not about the product. See the methodology for how the match is made.

The vendor's own description, unedited:
SintAi web page summarizer streamlines text comprehension, enabling users to efficiently digest extensive content. Ideal for professionals, students, and researchers seeking to optimize their time, this tool condenses lengthy texts into concise summaries without compromising essential information. B...

Live alternatives

No active same-category alternatives in the registry yet. The tools index carries everything else that is live.

How this was decided

Not an editorial call. The URL on file failed three consecutive checks, with a confirmation re-probe before the streak counted (a bot-wall response never counts as one), and the 3-miss rule marks the listing discontinued automatically. If the URL responds again, the registry restores it on its own: warn first, then active. Both directions are recorded as events.

Spot an error? Tell us. Corrections to the record append, they never rewrite.