Calorie Tracker Guide · 2026-11-14
Verdict
Dr. Greger’s Daily Dozen is marked for Apple Health. Oura is not. Oura is marked for Workout tracking. Dr. Greger’s Daily Dozen is not. Editorial scores are 5.2 for Dr. Greger’s Daily Dozen and 6.4 for Oura, on a 10-point scale. That score is not the store rating.
Price
Dr. Greger’s Daily Dozen: Free.
Oura: Free.
Features that differ
Apple Health: only Dr. Greger’s Daily Dozen is marked available. Mentioned in the App Store description.
Workout tracking: only Oura is marked available. Mentioned in the App Store description.
Fit
Dr. Greger’s Daily Dozen has no best-fit line.
Oura has no best-fit line.
Where the scores differ
Feature depth: Dr. Greger’s Daily Dozen 0.8, Oura 2.2. Dr. Greger’s Daily Dozen: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Oura: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Dr. Greger’s Daily Dozen 10, Oura 9.5. Dr. Greger’s Daily Dozen: Bayesian rating 4.90 (iOS 4.91x12700 + Play 4.90x9660, prior 4.3x200) + review stars sentiment +0.90 over 20 reviews. Oura: Bayesian rating 4.84 (iOS 4.86x324827 + Play 4.70x42998, prior 4.3x200) + review stars sentiment -0.15 over 20 reviews.
Maintenance: Dr. Greger’s Daily Dozen 1.6, Oura 9.3. Dr. Greger’s Daily Dozen: Last release 247 days ago (half-life 90d, 70%) + median 145.0 days between releases (30%). Oura: Last release 4 days ago (half-life 90d, 70%) + median 6 days between releases (30%).
Traction: Dr. Greger’s Daily Dozen 7.2, Oura 9.3. Dr. Greger’s Daily Dozen: log10 of 22360 total ratings (iOS+Play), 1M ratings = 10. Oura: log10 of 367825 total ratings (iOS+Play), 1M ratings = 10.
Who should pick which
Choose Dr. Greger’s Daily Dozen if you need Apple Health. Choose Oura if you need Workout tracking.