Cal AI
Health & Fitness AI
- Photo-based calorie/macro logging via camera scan
- 4.2M+ downloads, 270K+ App Store ratings at 4.6-4.8/5
- Acquired by MyFitnessPal (deal closed Dec 2025, announced Mar 2026), signaling real category validation
Productivity & Workflow (5)
All 5 AI health and fitness apps in the Flocci catalog, 3 of them free or freemium. Pricing tier and real capabilities on every entry — no ads, no sponsored placement.
AllAI Note-Taking & DocsMeeting Assistants & TranscriptionEmail, Scheduling & TasksCareer & Job SearchHealth & Fitness AIAI Social Media & Creator Tools
freemium
MacroFactor
Health & Fitness AI
- Adaptive algorithm recalculates energy-expenditure targets weekly from logged intake vs. actual weight trend
- Clean, non-crowdsourced food database
- Subscription-only, no permanent free tier — trial-based
Fitbod
Health & Fitness AI
- 15M+ downloads, 2.5M active users, 157M+ workouts logged per vendor
- Algorithmically plans/adapts strength workouts based on logged history and available equipment
- 4.8/5 across 270K+ App Store reviews
Wysa
Health & Fitness AI
- CBT-technique-based conversational wellbeing support, not diagnostic or clinical treatment
- 4.9M+ downloads, 140K+ ratings at 4.5/5
- Clinical-evidence publications (JMIR 2026) backing the approach, unlike most wellness chatbots
WHOOP Coach
Health & Fitness AI
- Conversational coach built on WHOOP's continuous biometric stream (sleep, strain, recovery, stress)
- Powered by OpenAI, with May 2026 additions: persistent memory, proactive check-ins, voice journal, EHR sync
- Requires a WHOOP wearable subscription — no standalone free tier
Health & Fitness AI — straight answers
What are the best free AI health and fitness apps?
Flocci AI Tools lists 5 AI health and fitness apps, ordered free tiers first: Cal AI, Fitbod, Wysa, MacroFactor and WHOOP Coach. 3 of the 5 are free or have a free tier. Every entry states what it uniquely does, not a score.
Are there completely free AI health and fitness apps?
None in this sub-category are fully free, but 3 are freemium with a usable free tier. The Completely Free AI Tools collection lists the 115 entries site-wide that carry no paid plan at all.
See the full list →What should I look for in AI health and fitness apps?
Start with what you need to do: track food and training with an AI coach. Then check the pricing tier, because "free" here means no paid plan at all while "freemium" means a free tier under paid plans. Every tool on this page lists both.
See the full list →Looking for a ranked shortlist instead? See the best free AI health and fitness apps.