Certus Golf / Swing
See what your swing is doing.
Put your iPhone on a stand and your iPad where you can see it. That’s a live mirror of your swing, and an instant replay of every one you record.
Put your iPhone on a stand and your iPad where you can see it. That’s a live mirror of your swing, and an instant replay of every one you record.
The iPhone’s camera shows up live on the iPad, face-on or down-the-line, which gives you a mirror from an angle a real mirror can’t. Rehearse a move, glance up, and see what your body is actually doing.
On a stand or against your bag, face-on or down-the-line, with your whole body in frame.
Signed in to the same account, the two find each other in seconds. You don’t need cables, a Wi-Fi network or an internet connection.
The iPhone’s camera is on its screen, live, so you can make a move and look up to check it.
Mirror doesn’t save anything, so use it for practice swings, checking positions or rehearsing a feel. The live view stays on in Swing and Practice too, so you can switch to recording without losing the picture.
Face-on for sway, side bend and the head; down-the-line for plane and posture. Without this, you’d need a coach standing behind you to see it.
Record a swing and it reaches the iPad within seconds, then plays by itself in slow motion on a loop. You don’t have to walk back to the phone, find the clip or scrub to the swing. Hit a ball, watch it, adjust and hit the next one.
Whoever’s holding the iPad, you or a coach, can run the whole session from there. The iPad app is free; it doesn’t need its own subscription.
Step it, scrub it, draw on it. Back to Live returns to the camera, and every take from the session stays in the strip below.
Switch the iPhone between Mirror, Swing and Practice with one tap, start and stop a Swing take, flip between Speed and Accuracy from the frame-rate badge, and star the keepers, which save as favorites on the phone.
Skeleton, hands trail and body lines are computed on the iPad itself, so the coach sees them on every frame.
AirPods connected to the iPad can trigger the iPhone’s recorder, so a coach never has to walk over to the phone.
The iPad says so in red and reconnects by itself. Swings recorded in the gap are sent across as soon as it’s back.
Speed records at up to 240fps for true slow motion, in Swing and Practice. On iPhone Pro models, Accuracy records 60fps with live LiDAR depth, and it’s the default there. Switch any time, even mid-practice.
A “What to measure?” guide sets the camera angle that answers your question. Then: “Move closer — golfer too small.” “Full body not in frame.” A silhouette and a level make sure the clip is worth analyzing before you swing.
Press a volume button, click your AirPods stem, tap your Apple Watch in Swing mode, or set a timer of up to 15 seconds. Your hands stay on the club.
Every saved clip is cut to the motion itself, and tagged with its camera angle. The badge tells you honestly when heat or Low Power has lowered the frame rate.
Twenty-four built-in body-line overlays, drawn from the tracked skeleton. Each one either stays where you set up or follows you through the swing.
Swipe for more →
A see-through freeze of your address sits over the moving swing, so every inch you drift shows against it: the head coming up, the hips moving forward, posture lost.
Lines, arrows, circles and freehand on the video, with undo. Trim, crop and zoom into the grip, then share it with the drawings burned in, or save the original at full frame rate.
Accuracy mode’s LiDAR depth anchors the skeleton to real-world scale, so the readouts on overlays like pelvis sway, head sway, chest lift and thrust are in true inches, and angles like side bend are in degrees. The key readouts show tour ranges.
And when a camera angle physically can’t see a movement, Certus doesn’t show a number for it at all. Sway needs a face-on camera; thrust needs down-the-line, or LiDAR depth.
The same goes for readouts that didn’t hold up when we checked them against a 3D swing-analysis reference, such as chest side bend at impact from face-on. Those stay hidden until they measure up.
Tell it your usual miss (slice, hook, push, fat or thin) and what you’re working on. AI Review studies key frames from each phase of your swing and writes back what’s working, the one fix that matters most (and up to two more if they’re clear), drills for it, and notes on each phase from setup to follow-through.
Tap an improvement and the video jumps to that phase. Save the review to your Journal. For a coach, share a Swing Report: one image of six key positions, address to finish.
Put any two swings side by side, or lay one over the other. One tap aligns them at impact; Certus fits clip B onto clip A so the golfers match in size, and you can nudge, scale or rotate from there.
Then step both together, frame for frame, at quarter, half or full speed, and draw on either. Side by side, turn the phone sideways and both whole swings fill the screen top to bottom, with the controls moved out to the edges.
Start a practice session and keep swinging for up to thirty minutes. Certus spots each swing from your motion, confirms it with the sound of impact, and saves each one as its own clip. If an iPad is connected, each clip goes straight to it.
One continuous session; every swing detected and clipped into a Practice folder, with a summary when you’re done.
Swings you record one at a time are analyzed right away. A practice session’s clips wait until the phone is charging, so the range doesn’t cost you battery. To run one sooner, open it and tap Analyze.
Folders, favorites, search, and import from Photos.
Your swing library follows you to every device you sign in on, and you can delete any clip, or your whole account, from inside the app.
For iPhone, iPad and Apple Watch.