
HBO Max
SubscriptionDuo-native
HBO series with Warner Bros., DC and A24 films
On the Duo: Duo-native. Its maker's site shows the Discover tab of version 1.5 on the open Duo. Checked November 5, 2026.
App Store data as of October 27, 2026

If you just want a free watchlist, Showcase asks for a subscription or a lifetime purchase.
Showcase keeps a library of everything watched, in progress and planned, logs episodes, rates titles, and builds a calendar of upcoming releases. Friends can share histories and compare ratings, and history can be imported from Trakt, Letterboxd and TV Time.
Its maker shows the Discover tab of version 1.5 on the open Duo, held in landscape.