-… “Exchange” will be a new application?…
NO, this is a protocol (function), see the full explanations on this page
[Bluewin e-mail server – IMAP/SMTP, Exchange, POP3](https://www.swisscom.ch/fr/private-clients/help/e-mail/configure/information-serveur-swisscom.html#acc- oiQ0rA%5Bselected%5D%5B%5D=1)
Exchange
With Exchange ActiveSync (EAS) you can view and manage your emails, calendar, contacts and tasks on the smartphone.
Synchronization: emails, calendar, contacts and tasks
Compatible with the Mail app (iOS) and the Gmail app (Android)
Available with Bluewin E-Mail basic and Bluewin E-Mail advanced
-…APP. Swisscom(news& E-Mail)… will remain ad-free even Light?…
This is not currently specified, but remains very desirable 🙂