Back Nine vs Swing4Eagle

Back Nine enables you to create beautiful shareable score cards for your golf rounds. Back Nine offers many themes to showcase your golf scores. Our favorite is the Blend theme which extracts colors from your image and builds a beautiful theme custom for your image--a different theme every time! In addition to themes, you can add your country’s flag to your scorecard. You can also add a logo from your organization, tournament, or golf club as well! More themes and features are in development, including importing data from a picture of your actual score card! Privacy The app contains no ads and collects no personal information because we respect your privacy.

Why does the pro's swing look smooth, and yours doesn't? Swing4Eagle's on-device AI breaks down your swing video frame-by-frame — from any angle — and shows you exactly what to fix. Free. No signup. Your videos never leave your phone. WHAT IT ANALYZES Record or import a swing video from face-on or down-the-line. Swing4Eagle automatically finds the 8 key moments of your swing and grades the mechanics at each. FACE-ON CHECKS • Stance width and lead shoulder tilt at address (driver setup) • Hip sway through the backswing, top of swing, and impact • Posture and spine tilt • Shoulder tilt at mid-downswing • Lag angle at mid-downswing • Knee extension, head movement, and reversed-K shape at impact DOWN-THE-LINE CHECKS • Address hand position (driver- or iron-specific) • Trail hand vs trail hip at toe-up • Swing depth and shoulders vs lead arm at the top • Hands vs chest at mid-down • Trail-arm bend at impact • Spine tilt maintenance through the whole swing • Early extension check (address to impact) COMPARE TO PRO Tap any analysis to overlay a tour-pro reference — driver pros for driver swings, iron pros for irons. See your swing, then theirs. HOW IT WORKS 1. Pick your handedness, club (driver or iron), and camera angle (Face-On, Down-the-Line, or Auto) 2. Record live or import from your photo library 3. AI finds the 8 key swing positions — address, takeaway, top, mid-down, impact, follow-through, and more 4. See annotated frames with pose overlay and metric callouts 5. Tap "Compare to Pro" on any screen for a side-by-side reference WHY ON-DEVICE No cloud upload. No account. No data collection. Works offline at the range — even with no signal. Built for serious improvement, from weekend hackers fixing fundamentals to single-digit handicaps chasing the next 2 strokes. Supports right- and left-handed golfers.