Calorie Tracker Guide · 2026-11-14
Verdict
Death Clock: The Life Lab prices as Free · 10 in-app purchase option(s). Dexcom Clarity prices as Free. Death Clock: The Life Lab is marked for Apple Health, Workout tracking, Fasting. Dexcom Clarity is not. Editorial scores are 6.2 for Death Clock: The Life Lab and 4.2 for Dexcom Clarity, on a 10-point scale. That score is not the store rating.
Price
Death Clock: The Life Lab: Free · 10 in-app purchase option(s).
Dexcom Clarity: Free.
Features that differ
Apple Health: only Death Clock: The Life Lab is marked available. Mentioned in the App Store description.
Workout tracking: only Death Clock: The Life Lab is marked available. Mentioned in the App Store description.
Fasting: only Death Clock: The Life Lab is marked available. Mentioned in the App Store description.
Coach connection: only Death Clock: The Life Lab is marked available. Mentioned in the App Store description.
Fit
Death Clock: The Life Lab has no best-fit line.
Dexcom Clarity has no best-fit line.
Where the scores differ
Pricing value: Death Clock: The Life Lab 3.8, Dexcom Clarity 10. Death Clock: The Life Lab: 10 - annualised price $99.99/15 (+0.5 if free trial). Dexcom Clarity: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: Death Clock: The Life Lab 3.8, Dexcom Clarity 1.1. Death Clock: The Life Lab: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Dexcom Clarity: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Death Clock: The Life Lab 7.8, Dexcom Clarity 5.9. Death Clock: The Life Lab: Bayesian rating 4.62 (iOS 4.79x18113 + Play 3.99x4665, prior 4.3x200) + review stars sentiment -0.45 over 20 reviews. Dexcom Clarity: Bayesian rating 4.31 (iOS 4.60x13153 + Play 3.87x8508, prior 4.3x200) + review stars sentiment +0.15 over 20 reviews.
Maintenance: Death Clock: The Life Lab 9.5, Dexcom Clarity 1.5. Death Clock: The Life Lab: Last release 0 days ago (half-life 90d, 70%) + median 6 days between releases (30%). Dexcom Clarity: Last release 312 days ago (half-life 90d, 70%) + median 78 days between releases (30%).
Traction: Death Clock: The Life Lab 7.3, Dexcom Clarity 7.2. Death Clock: The Life Lab: log10 of 22778 total ratings (iOS+Play), 1M ratings = 10. Dexcom Clarity: log10 of 21661 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Death Clock: The Life Lab 5.5, Dexcom Clarity 0. Death Clock: The Life Lab: Best quality of aiCoach / coachConnection features. Dexcom Clarity: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Death Clock: The Life Lab if you need Apple Health and Workout tracking.