Based on the information provided, one movie app that allows you to watch movies offline without any downloads is the Mubi app.
Mubi is a curated movie streaming service that offers a selection of handpicked films that users can stream from various platforms. What sets Mubi apart is that it allows users to download films for offline viewing, without the need for any additional downloads.
Users can simply navigate to the My Movies section of the Mubi app, select the film they want to watch, and then download it directly to their device. This enables them to enjoy the movies even when they don't have an active internet connection, making it a convenient option for those who want to watch films on the go or in areas with limited connectivity.