RunForm AI vs StrideMirror

RunForm AI is your personal AI running coach. Place your iPhone beside the treadmill, and within 3 minutes you'll receive a professional-grade running form analysis with actionable advice. ■ Professional Analysis Without the Lab Say goodbye to expensive gait lab equipment. RunForm AI uses advanced AI pose estimation to analyze your running form through your iPhone camera, measuring 13 key biomechanical metrics—including cadence, vertical oscillation, torso angle, ground contact time, and bilateral symmetry—to pinpoint exactly what needs improvement. ■ Real-Time Voice Coaching As you run, the AI coach provides real-time voice feedback on your form, guiding you to adjust cadence, trunk lean, foot strike patterns, and more. It's like having a professional coach right beside you during every workout. ■ Deep AI Analysis Report After recording, you'll receive a comprehensive form assessment including: • Overall score with rating (Excellent/Good/Fair/Below Average/At Risk) • Four-dimension breakdown scores: stride control, impact management, rhythm stability, and running economy • Personalized focus area for the week • Actionable improvement suggestions • 7-day customized training plan ■ Track Your Progress Every session's metrics are recorded in detail. Historical trend charts let you visualize long-term improvements in cadence, symmetry, stability, and more. AI trend analysis tells you what's improving and what needs continued attention. ■ Smart Quality Gating Before analysis, the system automatically checks video quality—ensuring the runner is fully visible, key points are clear, and lighting is adequate. Analysis only proceeds when quality checks pass, ensuring every assessment is accurate and reliable. ■ Auto Motion Detection No need to tap your phone. Start running and recording triggers automatically. The system intelligently detects when your run starts and ends, letting you focus entirely on running. ■ Your Data, Your Privacy Raw video never leaves your device. Only pose keypoint coordinates are encrypted and transmitted for AI analysis. You can request full account and data deletion at any time, processed within 7 business days. ■ 18 Language Support App interface and voice coaching support 18 languages, including English, Chinese (Simplified & Traditional), Japanese, Korean, French, German, Spanish, Arabic, and more. ■ Apple Watch Integration Optional watch companion that supplements heart rate data via Apple Watch for more comprehensive training insights. RunForm AI — Make Every Stride Count. AI Coach Subscription Details: Free users get 5 AI deep analyses per month; subscribe for unlimited use. Monthly $3.99/mo, Quarterly $9.99/qtr (save 17%), Yearly $29.99/yr (save 37%). Subscriptions auto-renew and can be cancelled anytime in System Settings. Payment will be charged to your Apple ID account upon confirmation of purchase.

StrideMirror turns a short walking clip into a clear picture of how you move — entirely on your phone. Record 10–30 seconds of yourself walking, and StrideMirror uses Apple's on-device body-pose detection to extract movement metrics: cadence, stride time, step symmetry, knee flexion, trunk lean, and more. Watch how your walking rhythm changes over time on a simple trend chart. Built for people who are curious about their own movement — runners checking form, older adults staying active, anyone recovering from a long sit at a desk. StrideMirror is a personal observation tool, not a medical device, and is not intended to diagnose, treat, or prevent any condition. WHY STRIDEMIRROR • Private by design — all video processing happens on your iPhone. Nothing is ever uploaded. There is no account to create, no email to give, no analytics, no advertising IDs. • Truly free — no in-app purchases, no subscriptions, no ads. Ever. • On-device intelligence — uses Apple Vision's body-pose model. No internet connection required after install. • Bilingual — full English and Simplified Chinese support. HOW IT WORKS 1. Film. Prop your phone up about 3 meters away and record yourself walking past it for 10–30 seconds, ideally from the side. 2. Analyze. Tap import. The app finds your body keypoints frame-by-frame and computes spatial-temporal gait parameters. 3. Observe. Get a single overall walking-function score (0–4), a balance reference, and a breakdown of individual metrics. Save it to your local history and watch the trend. WHAT YOU SEE • Cadence (steps per minute) • Stride time and stride-time variability • Step and swing symmetry • Knee flexion range • Trunk lean and lateral sway • Arm-swing asymmetry • A simple "walking function" score from 0 (steady) to 4 (markedly unsteady) • Trend chart of your most recent walks PRIVACY StrideMirror is built around one rule: your video never leaves your phone. The app has no backend. There are no servers, no cloud, no syncing. Your walking history lives in this app's local storage and goes away if you delete the app. Read the full policy at https://ieaglez.github.io/StrideMirror/privacy.html LIMITATIONS StrideMirror works best with side-view clips of normal indoor or outdoor walking. Loose clothing, very low light, multiple people in frame, or extreme camera angles will reduce accuracy. The app may decline to score a clip when it cannot detect a clear walking pattern. NOT MEDICAL ADVICE StrideMirror is for personal interest only. It does not diagnose any condition and is not a substitute for evaluation by a qualified healthcare professional. If you have any concerns about your walking or balance, please consult a clinician. REQUIREMENTS • iOS 17 or later • A real device with the Apple Vision body-pose model (the iOS Simulator is not supported) We hope you enjoy watching how you move. Feedback is welcome at eaglez@outlook.com.