Side by side
Flex AI vs Planfit
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Build Muscle and Lose Weight Fast
AI-powered personal training for gym beginners
Primary task
Fitness
Fitness
Pricing
Freemium · Free + from $9.99/mo
Paid · from $11.99/mo
Pricing details
Free + from $9.99/mo
from $11.99/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web, iOS
Web, iOS, Android
Integrations
Make
Not documented
Source rating
5.0 / 5 · 3 ratings
5.0 / 5 · 3 ratings
Catalog views
7k
4.3k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
No pros listed yet
- Free fitness app
- Personalized workout plans
- Optimized workouts over time
- Detailed exercise guides
- Clear video instructions
Listed limitations
No limitations recorded; this does not mean none exist.
- No offline mode
- No integration with wearables
- No meal planning/nutrition features
- Not designed for experienced trainers
- Limited to gym workouts