Calorie Tracker Guide · 2026-11-14
Verdict
Nerva: Gut-Brain Program prices as Free · 4 in-app purchase option(s). Weight Loss Bet by HealthyWage prices as Free. Nerva: Gut-Brain Program is marked for Coach connection. Weight Loss Bet by HealthyWage is not. Weight Loss Bet by HealthyWage is marked for Photo logging, Apple Health, Workout tracking. Nerva: Gut-Brain Program is not. Editorial scores are 5.3 for Nerva: Gut-Brain Program and 5.9 for Weight Loss Bet by HealthyWage, on a 10-point scale. That score is not the store rating.
Price
Nerva: Gut-Brain Program: Free · 4 in-app purchase option(s).
Weight Loss Bet by HealthyWage: Free.
Monthly figure: Nerva: Gut-Brain Program $99, Weight Loss Bet by HealthyWage unknown.
Features that differ
Photo logging: only Weight Loss Bet by HealthyWage is marked available. Mentioned in the App Store description.
Apple Health: only Weight Loss Bet by HealthyWage is marked available. Mentioned in the App Store description.
Workout tracking: only Weight Loss Bet by HealthyWage is marked available. Mentioned in the App Store description.
Coach connection: only Nerva: Gut-Brain Program is marked available. Mentioned in the App Store description.
Fit
Nerva: Gut-Brain Program has no best-fit line.
Weight Loss Bet by HealthyWage has no best-fit line.
Where the scores differ
Pricing value: Nerva: Gut-Brain Program 0, Weight Loss Bet by HealthyWage 10. Nerva: Gut-Brain Program: 10 - annualised price $1188.00/15 (+0.5 if free trial). Weight Loss Bet by HealthyWage: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Nerva: Gut-Brain Program 5, Weight Loss Bet by HealthyWage 7.8. Nerva: Gut-Brain Program: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). Weight Loss Bet by HealthyWage: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Nerva: Gut-Brain Program 0.8, Weight Loss Bet by HealthyWage 2.3. Nerva: Gut-Brain Program: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Weight Loss Bet by HealthyWage: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
Beginner friendliness: Nerva: Gut-Brain Program 7, Weight Loss Bet by HealthyWage 8.6. Nerva: Gut-Brain Program: 60% easeOfUse + 40% beginner skill-level fit. Weight Loss Bet by HealthyWage: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Nerva: Gut-Brain Program 8.1, Weight Loss Bet by HealthyWage 8.5. Nerva: Gut-Brain Program: Bayesian rating 4.62 (iOS 4.68x15269 + Play 4.50x6605, prior 4.3x200) + review stars sentiment +0.30 over 20 reviews. Weight Loss Bet by HealthyWage: Bayesian rating 4.71 (iOS 4.79x17871 + Play 4.51x6558, prior 4.3x200) + review stars sentiment -0.20 over 20 reviews.
Maintenance: Nerva: Gut-Brain Program 9.2, Weight Loss Bet by HealthyWage 7. Nerva: Gut-Brain Program: Last release 4 days ago (half-life 90d, 70%) + median 7 days between releases (30%). Weight Loss Bet by HealthyWage: Last release 43 days ago (half-life 90d, 70%) + median 15 days between releases (30%).
Traction: Nerva: Gut-Brain Program 7.2, Weight Loss Bet by HealthyWage 7.3. Nerva: Gut-Brain Program: log10 of 21874 total ratings (iOS+Play), 1M ratings = 10. Weight Loss Bet by HealthyWage: log10 of 24429 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Nerva: Gut-Brain Program 5.5, Weight Loss Bet by HealthyWage 0. Nerva: Gut-Brain Program: Best quality of aiCoach / coachConnection features. Weight Loss Bet by HealthyWage: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Nerva: Gut-Brain Program if you need Coach connection. Choose Weight Loss Bet by HealthyWage if you need Photo logging and Apple Health.