SmartGym

SmartGym is an Apple Watch-first AI fitness app from an independent Brazilian developer, named 2023 Apple Watch App of the Year and chosen in 2025 as an official Apple Intelligence demo app. It generates personalized training plans from your goals, equipment, and schedule, and keeps evolving with your performance — not a template, but a program that grows with you.

Core Capabilities

• AI Smart Trainer: Builds plans by goal/equipment/frequency, fine-tunes after every session based on performance, and automatically rewrites the plan at cycle points to avoid plateaus
• Standalone on Apple Watch: No iPhone or internet needed — view plans, log sets, and monitor heart rate entirely from your wrist
• 730+ animated exercises: Animations with step-by-step instructions, plus 130+ professional templates, custom routines, and plain-text import
• Deep progress tracking: Charts for training volume, PRs, calories, and muscle group breakdowns, with comparison to your last workout
• Apple Intelligence integration: Plain-text import, exercise Q&A, and personalized greetings, on-device and privacy friendly
• Trainer edition: Manage multiple clients, AR posture analysis, and Siri voice recall of client plans

Use Cases Apple Watch users who train without their phone and run the whole flow from the wrist; beginners using animation instruction to remove the gym's entry barrier; home gym users adapting to their equipment list; personal trainers managing clients remotely.

Unique Advantages Against Fitbod, SmartGym wins with the Watch's full offline independence, animated instruction, and Apple's endorsement, at a lower price ($9.99 vs $12.99/month); versus Strong/Hevy's pure logging route, it combines "AI planning + logging" in one. The trade-off is Apple-only — no Android or web version.

Editor's Verdict The nearly undisputed first choice in the "Apple ecosystem AI fitness" niche: 4.7 on the App Store, a 9to5Mac writer self-reporting "3-4 years of every-other-day use", and iMore calling it the best Apple Watch fitness app. Deductions: a tight free tier, a pricey subscription, and split opinions on AI sophistication. For Apple users who want AI training planning, this is the most worthwhile choice.