SpeedUPSI vs Local SlowMo Frame

SpeedUp lets you adjust the playback speed of any video on your device. Speed up slow footage, slow down fast moments, or create smooth time-lapse effects -- all without leaving your phone.

Local SlowMo Frame is a lightweight iPhone video tool built for one job: making precise slow-motion edits without sending your videos anywhere. Edit videos directly on your device, choose the exact part you want to slow down, preview the result, and export the final clip to your photo library. Key features: Import videos from your photo library Frame-accurate timeline control Select the exact start and end of the slow-motion segment Multiple speed presets, from dramatic slow motion to subtle timing adjustments Real-time preview while editing Export directly to your photo library No watermark No account required No cloud upload Why Local SlowMo Frame: Privacy first: your videos stay on your device Simple workflow: import, edit, export Focused tool: no unnecessary editing complexity Fast and clean experience for everyday video moments Perfect for sports clips, pet videos, action shots, dance practice, and any moment you want to replay with more detail. What's New in This Version Version 1.0 includes the first public release of Local SlowMo Frame with local video import, frame-accurate editing, slow-motion controls, and export to Photos. App Review Information Notes for Review Local SlowMo Frame is a local-only video editing app for iPhone. Core review flow: Launch the app Tap "Import Video" Select a video from the photo library Use the editor screen to choose the slow-motion segment and speed Export the edited video back to the photo library The app does not require sign-in, payment, or any external account. The app does not upload user content to any server. The app only requests Photo Library access to import and save videos.