Motion study · 240 frames per second · all on-device
See the swing you actually made.
Strobe records your golf swing at up to 240 frames a second, finds the positions that matter, and lets you stand on any single frame — on your iPhone, where all of it stays.
Range study 01 · wedge, down the line · 239.9 fpsShot on iPhone · analyzed by Strobe
F 0287
Address
F 0416
Takeaway
F 0531
Top
F 0584
Downswing
F 0618
Impact
F 0744
Finish
Your eye refreshes about thirty times a second. A downswing is over in a quarter of that.
Whatever you think you did at impact, you are remembering a feeling, not a frame. Strobe keeps the frames — impact isn’t a guess, it’s F 0618.
Index
01CaptureRecord at the highest frame rate your iPhone offers, start and stop from your Apple Watch, or import slow-motion clips you already shot. The sound of the strike finds the swing and cuts the clip to it — a bucket filmed in one take lands as one clip per swing.240 fps
02TrackingBody pose on every frame, computed on the Neural Engine. The skeleton and joint angles draw over the video as it moves.19 joints
03CheckpointsAddress, takeaway, backswing, top, downswing, delivery, impact, follow-through and finish, found on their own and named as you scrub. Drag one if the app got it wrong and everything recomputes.9 events
04TracersThe club's own path through the swing, tracked while the clip is analysed and drawn the moment you ask. For the ball, tap it at impact and at the top of its flight and physics fills in the rest, in three broadcast styles.club · ball
05CoachOptional, and off until you switch it on — with Strobe Pro, or with your own Anthropic, OpenAI or Google key. Every finding is pinned to a checkpoint: tap it and the player stands on that frame. It reads measurements and a few stills; the video stays home unless you choose to send it.pro · byok
06SessionsA bucket at the range stays one session, not forty camera-roll rows. Compare two swings in drift-free sync. Export one clip or a whole session.in sync
07YouEvery session leaves numbers behind. The app keeps your typical band for each club type and says, quietly, when today sits outside it.by club
In the app
Fig. 01 — one frame, the body drawn, the club traced
Fig. 02 — the coach, stopped on the frame it is talking about
Fig. 03 — compare, two swings locked at impact
Fig. 04 — the numbers, with the estimates named as estimates
Fig. 05 — the library, a bucket at the range is one session
Nothing leaves your phone.
No account, no subscription, no analytics. The one thing the app sends anywhere is a coaching review, and only when you ask for one: measurements and a few stills, to Strobe’s coach with Strobe Pro or straight to your own AI account. The video goes only if you switch that on yourself.