Calorie Tracker Guide · 2026-11-14
Verdict
Lila - Peri Weight Loss Coach prices as Free · 8 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Lila - Peri Weight Loss Coach is marked for Photo logging. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Fasting. Lila - Peri Weight Loss Coach is not. Editorial scores are 6.1 for Lila - Peri Weight Loss Coach and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Lila - Peri Weight Loss Coach: Free · 8 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Yearly figure: Lila - Peri Weight Loss Coach $79.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only Lila - Peri Weight Loss Coach is marked available. Mentioned in the App Store description.
Barcode scanner: only Senza: Keto & Fasting is marked available.
Apple Health: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fit
Lila - Peri Weight Loss Coach has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Lila - Peri Weight Loss Coach 4.7, Senza: Keto & Fasting 10. Lila - Peri Weight Loss Coach: 10 - annualised price $79.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Lila - Peri Weight Loss Coach 7.8, Senza: Keto & Fasting 5. Lila - Peri Weight Loss Coach: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). Senza: Keto & Fasting: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Lila - Peri Weight Loss Coach 3.1, Senza: Keto & Fasting 2.3. Lila - Peri Weight Loss Coach: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Senza: Keto & Fasting: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
Beginner friendliness: Lila - Peri Weight Loss Coach 8.6, Senza: Keto & Fasting 7. Lila - Peri Weight Loss Coach: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Lila - Peri Weight Loss Coach 8.4, Senza: Keto & Fasting 9. Lila - Peri Weight Loss Coach: Bayesian rating 4.68 (iOS 4.72x1731 + Play 0.00x0, prior 4.3x200) + review stars sentiment +0.00 over 20 reviews. Senza: Keto & Fasting: Bayesian rating 4.72 (iOS 4.78x10816 + Play 4.44x1907, prior 4.3x200) + review stars sentiment +0.45 over 20 reviews.
Maintenance: Lila - Peri Weight Loss Coach 7.9, Senza: Keto & Fasting 1.7. Lila - Peri Weight Loss Coach: Last release 28 days ago (half-life 90d, 70%) + median 9 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Lila - Peri Weight Loss Coach 5.4, Senza: Keto & Fasting 6.8. Lila - Peri Weight Loss Coach: log10 of 1731 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Lila - Peri Weight Loss Coach 5.5, Senza: Keto & Fasting 0. Lila - Peri Weight Loss Coach: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Lila - Peri Weight Loss Coach if you need Photo logging. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.