Bowldyna Studio vs TrueLine

Bowling, from feel to physics. Bowldyna Studio measures your throws from video and puts those numbers straight into a physics simulation — what actually happened, and what would happen if you changed something. Record a throw and the app measures ball speed, rev rate, axis rotation and the path down the lane. Once enough throws are in, it estimates the oil on that lane and proposes, for each throw, where to stand and where to aim. "Why did that miss the pocket?" "Why does the same line hook differently from one game to the next?" "How much does rev rate — or the oil pattern — really change the path?" Bowldyna Studio turns differences you can only feel into a path, a number, and a mechanism you can look at. THROW ANALYSIS - Analyze a recorded video, or run the camera live - Automatic ball speed, rev rate, axis rotation, axis tilt, release board and launch angle - Breakpoint, pocket position, entry angle, pins contacted and pins fallen - Calibration is four points traced onto the lane edges - A clean lane picture is built automatically, with people and the ball averaged out, so the points land on the lane edge - Within a session, the next recording starts from the four points you already set - One visit is one session: throws accumulate instead of scattering - Export the analysis as CSV - Everything runs on the device. No video is uploaded anywhere LANE OIL ESTIMATE (Pro) - Works out where the oil was depleted and where it was carried down, from your own throws - Heatmap of the estimated oil change - The gap between simulation and measurement, before and after the estimated oil is applied, in boards - The confidence of the estimate, and how much of the lane it accounted for - After an estimate, every throw gets a strike course drawn over its measured path — changing only where you stand and where you aim - Hand the measured lane straight to the simulator SIMULATION - Ball speed, rev rate and rotation direction - Release board, launch angle, axis rotation and axis tilt - House ball / my ball - Ball library for keeping several balls - Coverstock, surface, RG, differential, core, PAP and layout - House, flat, short, long and custom lanes - Lane library for custom lanes - Oil pattern visualization - Breakdown and carrydown, overlaid - Continuous skid, hook and roll - Ball path, pocket position and entry angle - Ball-to-pin and pin-to-pin collisions - Full lane view and pin deck view - 3D View (Beta) for pin action - Strike / spare route search (Beta) - Edit standing pins and target pins - Save and load throw conditions and profiles - 12 languages FREE Throw analysis from recorded video and from the camera, the core throw settings, path simulation, the house and flat lane presets, and the result readouts. Strike / spare route search (Beta) is free for now as well. BOWLDYNA PRO A single in-app purchase permanently unlocks the lane oil estimate, detailed ball specifications, PAP and layout, custom lanes, breakdown and carrydown, pin physics, 3D View (Beta) and the other advanced controls. There is no subscription. The current version shows no ads. RECORDING TIPS Put the phone on a tripod or something else that will not move, and frame the whole lane from the foul line to the pins. 60 fps is recommended; 30 fps costs rotation accuracy. A ball with visible patterns or logos measures far better than a plain dark one. PLEASE NOTE Bowldyna Studio does not guarantee any particular result or any improvement in your score. Measurements and estimates alike carry error from the lane surface, from oil that keeps changing, from the condition of the ball, from your release, and from how the video was shot. The confidence shown by the strike / spare route search describes how stable a line is inside the current simulation model. It is not a promise that the line will strike on a real lane. Treat what this app measures and simulates as a way to study your throws and understand the physics of bowling.

TrueLine turns your iPhone into a ball-motion tracker. Prop it behind the approach and bowl. Seconds after each throw, you see the numbers serious bowlers pay thousands to get, computed entirely on your phone. WHAT IT MEASURES • Ball speed • Board at the arrows • Launch angle • Breakpoint board and distance • Entry board and entry angle • Total hook, in boards • Pocket hits SEE YOUR GAME • Your throw replayed with the tracked path drawn on it • Every line of a session fanned on one lane view • Trends across sessions: speed, hook, entry angle, pocket % • Compare your arsenal: per-ball speed, hook, and pocket rate • Target-line practice: pick a board, get scored on hitting it • Share cards: one tap turns any shot into a post-ready image MADE FOR PRACTICE • Calibrate once per phone placement, then just bowl • Works at any center on any lane, no extra hardware needed • Analyze footage you already have from your camera roll PRIVACY Everything runs on your iPhone. There is no account and no subscription, and nothing is ever uploaded anywhere. Your first 10 throws are free. A single purchase unlocks TrueLine forever.