Do I need to download an app to watch (Dubbed) Locked Up for a Cheater, Locked Down by the CEO?

No. It plays in any mobile or desktop browser, so there is nothing to install.

(Dubbed) Locked Up for a Cheater, Locked Down by the CEO — Watch Free (84 Eps)

Where can I watch (Dubbed) Locked Up for a Cheater, Locked Down by the CEO online for free?: The first 15 episodes are free on dramatap and play straight in your browser — no app download and no account needed. The rest of the episodes are part of dramatap VIP.
How many episodes does (Dubbed) Locked Up for a Cheater, Locked Down by the CEO have?: 84 episodes in total.
Which app is (Dubbed) Locked Up for a Cheater, Locked Down by the CEO originally from?: It was originally released on NetShort.
Do I need to download an app to watch (Dubbed) Locked Up for a Cheater, Locked Down by the CEO?: No. It plays in any mobile or desktop browser, so there is nothing to install.