Calorie Tracker Guide · 2026-11-14
Verdict
Dexcom Clarity prices as Free. Nutrisystem prices as Free · 1 in-app purchase option(s). Nutrisystem is marked for Barcode scanner, Macro tracking, Water tracking. Dexcom Clarity is not. Editorial scores are 4.2 for Dexcom Clarity and 4.5 for Nutrisystem, on a 10-point scale. That score is not the store rating.
Price
Dexcom Clarity: Free.
Nutrisystem: Free · 1 in-app purchase option(s).
Features that differ
Barcode scanner: only Nutrisystem is marked available.
Macro tracking: only Nutrisystem is marked available. Mentioned in the App Store description.
Water tracking: only Nutrisystem is marked available. Mentioned in the App Store description.
Workout tracking: only Nutrisystem is marked available. Mentioned in the App Store description.
Coach connection: only Nutrisystem is marked available. Mentioned in the App Store description.
Fit
Dexcom Clarity has no best-fit line.
Nutrisystem has no best-fit line.
Where the scores differ
Pricing value: Dexcom Clarity 10, Nutrisystem 5.3. Dexcom Clarity: 10 - annualised price $0.00/15 (+0.5 if free trial). Nutrisystem: 10 - annualised price $69.99/15 (+0.5 if free trial).
Feature depth: Dexcom Clarity 1.1, Nutrisystem 2.3. Dexcom Clarity: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Nutrisystem: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Dexcom Clarity 5.9, Nutrisystem 3.5. Dexcom Clarity: Bayesian rating 4.31 (iOS 4.60x13153 + Play 3.87x8508, prior 4.3x200) + review stars sentiment +0.15 over 20 reviews. Nutrisystem: Bayesian rating 4.03 (iOS 4.03x2068 + Play 3.97x594, prior 4.3x200) + review stars sentiment -0.70 over 20 reviews.
Maintenance: Dexcom Clarity 1.5, Nutrisystem 7.7. Dexcom Clarity: Last release 312 days ago (half-life 90d, 70%) + median 78 days between releases (30%). Nutrisystem: Last release 12 days ago (half-life 90d, 70%) + median 36 days between releases (30%).
Traction: Dexcom Clarity 7.2, Nutrisystem 5.7. Dexcom Clarity: log10 of 21661 total ratings (iOS+Play), 1M ratings = 10. Nutrisystem: log10 of 2662 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Dexcom Clarity 0, Nutrisystem 5.5. Dexcom Clarity: Best quality of aiCoach / coachConnection features. Nutrisystem: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Nutrisystem if you need Barcode scanner and Macro tracking.