Here are ten popular free video editing apps for mobile phones:

1. InShot Video Editor: InShot is a popular video editing app that offers a range of editing tools and effects. The app is easy to use and is suitable for both beginners and experienced video editors.
2. Quik: Developed by GoPro, Quik is a simple and user-friendly video editing app that offers a range of templates, filters, and effects. The app is ideal for creating quick videos with minimal effort.
3. VivaVideo: VivaVideo is a popular video editing app that offers a range of features, including video trimming, merging, and adding music. The app also has a range of video effects and filters.
4. KineMaster: KineMaster is a professional-grade video editing app that offers advanced features, including multi-track editing, blending modes, and keyframe animations. The app is suitable for experienced video editors and content creators.
5. FilmoraGo: FilmoraGo is a simple and user-friendly video editing app that offers a range of editing tools and effects. The app is suitable for both beginners and experienced video editors.
6. PowerDirector: PowerDirector is a popular video editing app that offers a range of features and tools, including multi-track editing, color correction, and motion graphics. The app is suitable for both beginners and experienced video editors.
7. Magisto: Magisto is an AI-powered video editing app that automatically creates videos using pre-set templates and music. The app is suitable for creating quick and simple videos with minimal effort.
8. Adobe Premiere Rush: Adobe Premiere Rush is a professional-grade video editing app that offers a range of advanced features, including multi-track editing, color correction, and motion graphics. The app is suitable for experienced video editors and content creators.
9. Videoshop: Videoshop is a simple and user-friendly video editing app that offers a range of editing tools and effects. The app is suitable for both beginners and experienced video editors.
10. iMovie: iMovie is a popular video editing app developed by Apple. The app offers a range of basic and advanced features, including video trimming, filters, and effects. The app is suitable for both beginners and experienced video editors.