If you want more creative control (transitions, effects, or specific aspect ratios), these apps are highly rated: Merge Videos: Combine Your Videos For Free | Adobe Express
Select your videos, tap the + (plus) icon, and choose Highlight video or Movie . The app will stitch them together, allowing you to reorder clips or add music. Third-Party Apps IMG_0124MP4
Open the iMovie app , tap Start New Project , then select Movie . Choose your clips (like "IMG_0124.MP4") from your library and tap Create Movie . If you want more creative control (transitions, effects,
Most smartphones have native "merge" or "movie" features that don't require downloading new software: or specific aspect ratios)