Calorie Tracker Guide · 2026-11-14
Verdict
Senza: Keto & Fasting prices as Free. WeightWatchers Program prices as Free · 5 in-app purchase option(s). Senza: Keto & Fasting is marked for Fasting. WeightWatchers Program is not. WeightWatchers Program is marked for Photo logging, Text logging, Water tracking. Senza: Keto & Fasting is not. Editorial scores are 5.2 for Senza: Keto & Fasting and 8.5 for WeightWatchers Program, on a 10-point scale. That score is not the store rating.
Price
Senza: Keto & Fasting: Free.
WeightWatchers Program: Free · 5 in-app purchase option(s).
Monthly figure: Senza: Keto & Fasting unknown, WeightWatchers Program $23.99.
Features that differ
Photo logging: only WeightWatchers Program is marked available. Allows logging meals via photo.
Text logging: only WeightWatchers Program is marked available. Standard text-based search and manual entry.
Water tracking: only WeightWatchers Program is marked available. Dedicated water logging interface.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Coach connection: only WeightWatchers Program is marked available. Access to live coaches and dietitians.
Accuracy focus: only WeightWatchers Program is marked available. Database of 12,000+ recipes and 450+ restaurants.
Fit
Senza: Keto & Fasting has no best-fit line.
WeightWatchers Program is filed for Long-term weight management — Ideal for those seeking a sustainable lifestyle change rather than a quick fix.; Medication-assisted weight loss — Excellent for users on GLP-1 medications needing dose and side-effect tracking..
Where the scores differ
Accuracy: Senza: Keto & Fasting 5, WeightWatchers Program 10. Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown). WeightWatchers Program: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Senza: Keto & Fasting 10, WeightWatchers Program 0. Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial). WeightWatchers Program: 10 - annualised price $287.88/15 (+0.5 if free trial).
Ease of use: Senza: Keto & Fasting 5, WeightWatchers Program 10. Senza: Keto & Fasting: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). WeightWatchers Program: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Senza: Keto & Fasting 2.3, WeightWatchers Program 7.8. Senza: Keto & Fasting: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. WeightWatchers Program: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
Beginner friendliness: Senza: Keto & Fasting 7, WeightWatchers Program 10. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit. WeightWatchers Program: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Senza: Keto & Fasting 9, WeightWatchers Program 9.3. Senza: Keto & Fasting: Bayesian rating 4.72 (iOS 4.78x10816 + Play 4.44x1907, prior 4.3x200) + review stars sentiment +0.45 over 20 reviews. WeightWatchers Program: Bayesian rating 4.74 (iOS 4.84x2367404 + Play 4.33x604015, prior 4.3x200) + review stars sentiment +1.00 over 20 reviews.
Maintenance: Senza: Keto & Fasting 1.7, WeightWatchers Program 8.8. Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%). WeightWatchers Program: Last release 6 days ago (half-life 90d, 70%) + median 13 days between releases (30%).
Traction: Senza: Keto & Fasting 6.8, WeightWatchers Program 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10. WeightWatchers Program: log10 of 2971419 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Senza: Keto & Fasting 0, WeightWatchers Program 10. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features. WeightWatchers Program: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Senza: Keto & Fasting if you need Fasting. Choose WeightWatchers Program if you need Photo logging and Text logging.