Apps like Blokada or AdGuard (non-root) filter ads system-wide. Install Blokada, enable it, and then use the official Moovit. The ads will be blocked without modifying the app itself.
If you cannot afford Premium but still want a clean experience, try these alternatives: Moovit Apk Mod No Ads
is a free real-time journey planner, it contains ads that can be removed through a paid Moovit+ subscription Apps like Blokada or AdGuard (non-root) filter ads