iPhone 12 Pro and later · iOS only
The green has a slope. Your putt has a tempo. PutterForce™ gives you both.
PutterForce
3.214.2 ft · −1.8% downhill · die at hole
One number. Every variable.
No more guessing.
Read · Feel · Learn
What PutterForce does
Most putting apps do one of these badly. PutterForce does all three — in the palm of your hands.
The green is scanned in seconds. Slope and break calculated automatically. An AR overlay shows your aim line floating on the actual grass — not an illustration. Three views: AR Live, overhead map, cross-section profile.
Distance, slope, green speed, pace — distilled into one number. That number IS your metronome tempo. A PutterForce of 3.6 gives you 72 BPM. Train it. Newton's Cradle makes the rhythm visible.
Every putt logged. Tempo consistency, force accuracy, make rate by distance. A 30-day trend. The PutterForce handicap — one honest number for your distance control.
The science
PutterForce is not a distance recommendation. It is the precise stroke energy required for a specific ball to travel a specific distance on a specific slope at a specific green speed — and arrive at the hole at the right pace.
How it is calculated is proprietary. What it delivers is not — one number that tells you exactly how hard to hit the putt.
Torque coefficient — Putter.One
0°
The Putter.One round face produces geometric zero torque. PutterForce was built to complement the only putter where the physics are already solved.
Scan time
Seconds
Point and scan. The green is read in seconds. Slope and break calculated automatically. No manual input required.
The number is the tempo
BPM
PutterForce does not feed the metronome — it IS the metronome. Every variable collapses into one BPM. The result screen hands it to you directly: train it.
AR Live
Point your iPhone at the green. The surface is scanned. An elevation-coded mesh floats on the actual grass. The aim line appears. The break curve appears. The PutterForce number appears.
Tap Overhead for the caddie-book view. Tap the PIP for cross-section. All three views stay live.
Requires iPhone 12 Pro or later.
Scan. Calculate. Putt.
Live scan
Point. Scan. Read. A complete slope model of the putting surface builds in seconds — then PutterForce tells you exactly what to do with it.
Actual hole · scan simulation
The app
Read
Three simultaneous views. Live camera with mesh overlay. Overhead elevation map with contours. Cross-section slope profile. PIP toggle between views — tap to swap.
Feel
The PutterForce number updates from your green scan automatically. Three metronome modes. Newton's Cradle tempo guide — swing arc scales to putt distance.
Learn
Every putt logged. 30-day make rate trend. Tempo consistency score. The PutterForce handicap gives you one honest number for your distance control.
Profile
Green speed, pace preference, units, dominant hand. Your data stays on your device. Redemption code unlocks everything for Putter.One customers.
Pricing
Buy PutterForce outright for a one-time fee. Or get full access included with a Putter.One putter — enter the redemption code from inside the box.
Standalone
$9.99
One-time · no subscription · iOS only
Bundled
Included
Redemption code in every Putter.One box
No subscription. No recurring cost. Session data stays on your device. Both versions include promotion of Putter.One by Drop Bear Golf.
Requires iPhone 12 Pro or later. Price subject to confirmation at launch.
The putter behind the app
The world's only patented round-face putter. The same diameter as the golf ball. Geometric zero torque. Zero backspin. Quintic verified. "It's like cheating."