Calorie Tracker Guide · 2026-11-14
Verdict
Lumen - Metabolic Coach is marked for Macro tracking, Workout tracking, Fasting. Dexcom Clarity is not. Editorial scores are 4.2 for Dexcom Clarity and 6 for Lumen - Metabolic Coach, on a 10-point scale. That score is not the store rating.
Price
Dexcom Clarity: Free.
Lumen - Metabolic Coach: Free.
Features that differ
Macro tracking: only Lumen - Metabolic Coach is marked available. Mentioned in the App Store description.
Workout tracking: only Lumen - Metabolic Coach is marked available. Mentioned in the App Store description.
Fasting: only Lumen - Metabolic Coach is marked available. Mentioned in the App Store description.
Coach connection: only Lumen - Metabolic Coach is marked available. Mentioned in the App Store description.
Fit
Dexcom Clarity has no best-fit line.
Lumen - Metabolic Coach has no best-fit line.
Where the scores differ
Feature depth: Dexcom Clarity 1.1, Lumen - Metabolic Coach 3.1. Dexcom Clarity: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Lumen - Metabolic Coach: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Dexcom Clarity 5.9, Lumen - Metabolic Coach 6.5. Dexcom Clarity: Bayesian rating 4.31 (iOS 4.60x13153 + Play 3.87x8508, prior 4.3x200) + review stars sentiment +0.15 over 20 reviews. Lumen - Metabolic Coach: Bayesian rating 4.43 (iOS 4.59x6543 + Play 4.12x3395, prior 4.3x200) + review stars sentiment -0.30 over 20 reviews.
Maintenance: Dexcom Clarity 1.5, Lumen - Metabolic Coach 8.5. Dexcom Clarity: Last release 312 days ago (half-life 90d, 70%) + median 78 days between releases (30%). Lumen - Metabolic Coach: Last release 6 days ago (half-life 90d, 70%) + median 20 days between releases (30%).
Traction: Dexcom Clarity 7.2, Lumen - Metabolic Coach 6.7. Dexcom Clarity: log10 of 21661 total ratings (iOS+Play), 1M ratings = 10. Lumen - Metabolic Coach: log10 of 9938 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Dexcom Clarity 0, Lumen - Metabolic Coach 5.5. Dexcom Clarity: Best quality of aiCoach / coachConnection features. Lumen - Metabolic Coach: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Lumen - Metabolic Coach if you need Macro tracking and Workout tracking.