Vyneron

Vyneron positions itself as a broader AI assistant rather than a single-purpose calendar bot, but scheduling is one of its core pitches: it advertises "holiday-aware" planning, meaning it accounts for public holidays when you ask it to schedule or move something, on top of ordinary tasks, notes and file capture. You can feed it information in whatever form is convenient — typed text, a voice message, a photo, or a document it reads via OCR — and it sorts that into the right bucket.

The pricing model is unusual for this category: rather than a flat subscription, it uses "bring your own key" AI pricing, meaning the app itself may be free to use while any AI processing runs against an API key you supply and pay for separately. That keeps Vyneron's own costs low but shifts complexity onto you to obtain and manage that key, which is a real barrier for a non-technical user. Its own site claims support across six languages.