FitCommit vs Spren: Which is Better?
Last updated: July 15, 2026
Honest, feature-by-feature comparison of FitCommit and Spren. See pricing, pros and cons, and which app is best for your fitness goals.
Quick Summary
FitCommit
Photo-based body-composition scans with connected Future You previews and flexible food tracking.
3-day free trial
Then $1.99/week. Cancel anytime.
Spren
Clinically validated body scanning from smartphone
Free download; paid plans
US plans from $14.99/month or $69.99/year
Feature Comparison
| Feature | FitCommit | Spren |
|---|---|---|
| AI Body Scan | −Body fat % + lean mass | −Yes |
| AI Food Scan | −Photo scan | −No AI food scan (nutrition label scan only) |
| Body Fat Tracking | ✓AI scan from camera | ✓AI scan from selfie |
| TDEE Calculation | ✓From body composition | ✓Not included (resting rate only) |
| Macro Tracking | −Included | −Nutrition targets only |
| Transformation Preview | ✓Future You | ×No |
| Food Database | −Included | −Not included |
| Workouts | ✓Workout plan with demo videos, in the same app as your food targets | ✓No workout plans |
What Makes FitCommit Different
FitCommit connects all four stages in one system: body scan, plan, Future You, and food tracking. 3-day free trial, then $1.99/week. Renews automatically unless canceled.
Try it free →Try FitCommit and see the difference
AI body scan + food camera + transformation preview. Free trial.
Pros and Cons
Spren Pros
- ✓Peer-reviewed validation studies
- ✓Used by 120+ universities and research labs
- ✓Body scan from your phone camera
Spren Cons
- ×No transformation projections
- ×No workout integration
Which App Should You Choose?
Choose Spren if:
- →Users who prioritize clinical validation
- →Those wanting precise body composition only
Choose FitCommit if:
- →Users wanting transformation previews
- →People who want workout programming
Pricing Breakdown
FitCommit
3-day free trial
Then $1.99/week. Cancel anytime.
- ✓Body Scan (body fat %, lean mass)
- ✓AI food scan
- ✓Future You preview at 3, 6 and 12 months
- ✓TDEE from body composition
- ✓Macro tracking
Spren
Free download; paid plans
US plans from $14.99/month or $69.99/year
Try FitCommit Free
Body Scan, Future You and macro targets. Get your body fat number. Then AI Future You predicts how you'll look at your goal, based on your program and how closely you follow it. 3-day free trial, then $1.99/week. Renews automatically unless canceled.
Start Free TrialMore comparisons
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