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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

SmartGym logo
SmartGym
✓ verifiedFree trial

AI personal-training app for iPhone/Apple Watch that builds and adapts strength workouts from your performance.

6.6K visits/mo
FitnessAI logo
FitnessAI
✓ verifiedFreemium

AI strength-training app that programs sets, reps and weights and adapts progressive overload as you improve.

227K visits/mo2.3K saves
SuppCo logo
SuppCo
✓ verifiedFree

Supplement-tracking app that quality-scores 160,000+ products and builds a personalized supplement 'stack' for your goals.

158K visits/mo
Pricing

No public pricing

Free trial available

No public pricing

No public pricing

Core features
  • AI Smart Trainer that adapts weights and reps after each workout
  • Library of 730+ animated exercise demonstrations
  • 130+ professionally designed workout programs
  • Custom routine builder for users who skip the AI trainer
  • Standalone Apple Watch app usable without an iPhone
  • Detailed progress charts for volume, PRs, and muscle groups
  • AI-programmed sets, reps and weights
  • Adaptive progressive overload
  • Workouts sized to schedule and equipment
  • Wearable/Apple Watch integration
  • Progress and body-composition tracking
  • Guided form videos
  • TrustScore quality ratings across 29 product attributes
  • personalized stack analysis and StackScore
  • nutrient level tracking across a user's supplements
  • expert-curated protocols for specific health goals
  • large searchable database of supplement products and brands
Use cases
  • Gym-goers wanting a program that adapts automatically over time
  • Apple Watch users wanting a phone-free workout companion
  • Beginners needing guided exercise instructions
  • Lifters tracking long-term strength progress and personal records
  • Following a structured strength program without guesswork
  • Progressing lifts automatically over time
  • Fitting effective workouts into limited gym time
  • checking a supplement's quality before buying it
  • building a personalized stack for longevity or fitness goals
  • avoiding redundant or low-quality ingredients across products
  • following an expert-designed supplement protocol
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