Calorie Tracker Guide · 2026-11-14
Verdict
Fastic: Weight Loss & Fasting prices as Free · 7 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Fastic: Weight Loss & Fasting is marked for Photo logging, Water tracking, Accuracy focus. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner. Fastic: Weight Loss & Fasting is not. Editorial scores are 8.1 for Fastic: Weight Loss & Fasting and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Fastic: Weight Loss & Fasting: Free · 7 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: Fastic: Weight Loss & Fasting $14.99, Senza: Keto & Fasting unknown.
Yearly figure: Fastic: Weight Loss & Fasting $79.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only Fastic: Weight Loss & Fasting is marked available. Food scanner identifies nutritional content via photo.
Barcode scanner: only Senza: Keto & Fasting is marked available.
Water tracking: only Fastic: Weight Loss & Fasting is marked available. Includes reminders.
Accuracy focus: only Fastic: Weight Loss & Fasting is marked available. Relies on user input and scanner estimation.
Fit
Fastic: Weight Loss & Fasting is filed for Intermittent Fasting Beginners — Ideal for those needing structure and visual cues to start fasting.; Habit Trackers — Great for users motivated by streaks, badges, and daily challenges..
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Accuracy: Fastic: Weight Loss & Fasting 8, Senza: Keto & Fasting 5. Fastic: Weight Loss & Fasting: Quality rating of the accuracy feature (5 if unknown). Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Fastic: Weight Loss & Fasting 5.2, Senza: Keto & Fasting 10. Fastic: Weight Loss & Fasting: 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: Fastic: Weight Loss & Fasting 9, Senza: Keto & Fasting 5. Fastic: Weight Loss & Fasting: 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: Fastic: Weight Loss & Fasting 8.9, Senza: Keto & Fasting 2.3. Fastic: Weight Loss & Fasting: 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: Fastic: Weight Loss & Fasting 9.4, Senza: Keto & Fasting 7. Fastic: Weight Loss & Fasting: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Fastic: Weight Loss & Fasting 7.2, Senza: Keto & Fasting 9. Fastic: Weight Loss & Fasting: Bayesian rating 4.51 (iOS 4.80x246087 + Play 4.35x421073, prior 4.3x200) + review stars sentiment -0.05 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: Fastic: Weight Loss & Fasting 9, Senza: Keto & Fasting 1.7. Fastic: Weight Loss & Fasting: Last release 6 days ago (half-life 90d, 70%) + median 8.5 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Fastic: Weight Loss & Fasting 9.7, Senza: Keto & Fasting 6.8. Fastic: Weight Loss & Fasting: log10 of 667160 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Fastic: Weight Loss & Fasting 8, Senza: Keto & Fasting 0. Fastic: Weight Loss & Fasting: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Fastic: Weight Loss & Fasting if you need Photo logging and Water tracking. Choose Senza: Keto & Fasting if you need Barcode scanner.