Support

Tap + on the home screen to start a project, then tap any empty frame. You can pick several videos and photos at once, and they fill the empty frames in order.

Tap a clip to select it, then tap Trim. Drag the yellow handles at either end, then tap the check mark.

By default it matches your longest clip, and shorter clips loop. Tap the time at the top of the editor to match the shortest clip or choose an exact length.

A photo stays still for the whole video, so only Text, Move, Replace and Delete apply to it.

Select a clip and tap Sound to turn its audio on or off. More than one clip can have sound.

Tap the export button, choose 4K and 60 fps, then tap Export Video. 4K exports take longer and use more storage.

On your iPhone, inside Daystack. Everything saves automatically. Touch and hold a project on the home screen to duplicate or delete it.

An iPhone running iOS 26 or later.