iPhone / iPad

How to compare two videos with a movable divider on iPhone or iPad

Swipe Comparison shows different videos on either side of a dividing line. It is useful when you want to inspect a posture or position without making the images transparent. This example uses two golf swings from similar viewpoints.

Download free · App StoreView the Android guide

Swipe Comparison is a VIP feature and requires Premium. Use two playable local videos for this workflow. Screenshots show the English interface on an iPhone 17 Pro simulator.

Load two videos in separate regions, open Swipe Comparison, and align their framing and action. Use Divider Direction for a vertical, horizontal, or diagonal split. Minimize the panel to inspect the result; guides can provide a fixed reference.

Open both videos and enter Swipe Comparison

Choose a two-region layout and load one video per region using Videos. Add Swipe Comparison through More (…) → Customize Home Bottom Buttons → Not Added if needed. Return to the player and tap its toolbar button. The A and B thumbnails identify the two sources.

iPhone 17 Pro — The comparison panel shows source A, source B, and controls for the selected video.
The comparison panel shows source A, source B, and controls for the selected video.

Align the picture and the action

Select each thumbnail and pause at the same phase of the swing. Use the frame buttons to refine the moment. Under Alignment, start with Center, then use Zoom, nudge arrows, or mirroring as needed. For linked playback, configure the corresponding points in Time Sync and apply Synchronized playback.

iPhone 17 Pro — The Alignment menu positions the selected source; each video keeps its own timing.
The Alignment menu positions the selected source; each video keeps its own timing.

Choose a divider direction

Open Divider Direction and try Vertical Center, Horizontal Center, or Top Left to Bottom Right. Keep Show Divider and Handles enabled to see the controls. Drag the line’s center to move the split, or its endpoints to adjust the angle. The swap button exchanges A and B.

iPhone 17 Pro — Use the direction presets to create vertical, horizontal, or diagonal comparisons.
Use the direction presets to create vertical, horizontal, or diagonal comparisons.

Add guides and inspect the difference

Open Guides and enable Show Guides. Choose a horizontal, vertical, or crosshair reference. Tap the minus button to minimize the panel, compare the body and club, then reopen it when you need adjustments. Exit Swipe Comparison to return to your previous split-screen layout.

iPhone 17 Pro — A diagonal divider and reference guides reveal differences between the two swings.
A diagonal divider and reference guides reveal differences between the two swings.

More possibilities

Useful details

Check these details as you follow the steps.

144preset layouts
36videos at once, up to
Make it yoursPosition, size and dividers

Use comparable camera positions

Similar camera height, distance, and framing make the result easier to interpret. Position and scale adjustments do not correct perspective differences. Compare one phase at a time when the swings have different tempos.

Separate viewing from saving

Changing the divider or guide lines adjusts this comparison view; it does not overwrite your clips. Viewing a comparison is not the same as exporting a combined video file.

Frequently asked questions

How is this different from Overlay Comparison?

Swipe Comparison reveals different sources on opposite sides of a line. Overlay Comparison places transparent layers on the same canvas. Use a divider for a clear boundary and opacity when you want to see both images in the same area.

Do matching timestamps mean the swings are synchronized?

No. Recordings can start at different moments. Find the same visible action in both videos and set corresponding sync points if you want linked playback. A sync point aligns one event; it does not automatically match different swing tempos throughout.

Split Screen Player

Try this with your own media

Open Split Screen Player and follow the steps with files you want to use.

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