CoachAI

About CoachAI

CoachAI is an iOS app that uses the iPhone camera to track your exercise movements in real time. It counts repetitions and gives form feedback, with all processing remaining on the device. The app also includes a program engine that adjusts workouts based on your performance.

Review

CoachAI takes a camera-first approach to home and gym workouts. Instead of asking for a long setup, it gets you moving with one tracked rep, then builds a profile. The core idea is that a phone can see when a rep breaks form-and in testing, the app does catch some breakdowns.

Key Features

• Real-time rep counting via the iPhone camera. The app tallies completed repetitions as you move.
• On-device form correction. All movement analysis happens locally; no video frames are uploaded.
• A program engine that adapts your training plan. Workouts shift based on what the app tracks, rather than random shuffling.
• Quick-start onboarding. You perform one tracked rep before the app asks for goals, height, weight, or injury history.

Pricing and Value

CoachAI is free to start, with a subscription for full access. The maker uses RevenueCat to manage subscriptions, but exact pricing tiers or limits of the free version are not yet defined in the current launch details. The app requires iOS 17 or later.

Pros

• Privacy-respecting design: no video leaves the device, which is a concrete privacy commitment.
• Immediate feedback on rep form can help users who train without a coach.
• Adaptive program engine modifies workouts instead of repeating a static list.
• The onboarding flow shows the camera feature early, which reduces drop-off.
• Built by a solo developer who actively seeks user feedback and ships quickly.

Cons

• Camera angle is a known limitation. A phone placed to the side can miss depth or spinal curvature on squats and deadlifts, and the app doesn't currently indicate when the viewing angle is insufficient for a given movement.
• iOS-only. The app relies on Apple's on-device frameworks and has no Android version.
• Not well suited for heavy compound lifts where a single camera angle fails to capture the full movement path, or for users who prefer a platform-agnostic tool.

CoachAI fits a solo trainer who wants real-time form checks without a live coach, and it works for bodyweight or dumbbell exercises where a single camera view is enough. It's less suited for powerlifters or anyone whose lifts demand a precise lateral angle. The app is still early, and the developer is candid about rough edges-so expect updates and changes as feedback rolls in.

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