Calorie Tracker Guide · 2026-11-14
Verdict
Eat Right Now prices as Free · 6 in-app purchase option(s). Function Health prices as Free. Eat Right Now is marked for Coach connection. Function Health is not. Editorial scores are 5.4 for Eat Right Now and 6.3 for Function Health, on a 10-point scale. That score is not the store rating.
Price
Eat Right Now: Free · 6 in-app purchase option(s).
Function Health: Free.
Monthly figure: Eat Right Now $24.99, Function Health unknown.
Yearly figure: Eat Right Now $129.99, Function Health unknown.
Features that differ
Coach connection: only Eat Right Now is marked available. Mentioned in the App Store description.
Fit
Eat Right Now has no best-fit line.
Function Health has no best-fit line.
Where the scores differ
Pricing value: Eat Right Now 1.8, Function Health 10. Eat Right Now: 10 - annualised price $129.99/15 (+0.5 if free trial). Function Health: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: Eat Right Now 1.9, Function Health 2.3. Eat Right Now: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Function Health: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Eat Right Now 8.9, Function Health 10. Eat Right Now: Bayesian rating 4.72 (iOS 4.78x4666 + Play 4.54x1171, prior 4.3x200) + review stars sentiment +0.40 over 20 reviews. Function Health: Bayesian rating 4.92 (iOS 4.93x25191 + Play 4.83x353, prior 4.3x200) + review stars sentiment +0.25 over 20 reviews.
Maintenance: Eat Right Now 6, Function Health 9. Eat Right Now: Last release 58 days ago (half-life 90d, 70%) + median 28 days between releases (30%). Function Health: Last release 9 days ago (half-life 90d, 70%) + median 6 days between releases (30%).
Traction: Eat Right Now 6.3, Function Health 7.3. Eat Right Now: log10 of 5837 total ratings (iOS+Play), 1M ratings = 10. Function Health: log10 of 25544 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Eat Right Now 5.5, Function Health 0. Eat Right Now: Best quality of aiCoach / coachConnection features. Function Health: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Eat Right Now if you need Coach connection.