Calorie Tracker Guide · 2026-11-14
Verdict
Calorie Calculator+ by FoodFly prices as Free · 4 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Calorie Calculator+ by FoodFly is marked for Photo logging, Text logging, Micronutrients. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Workout tracking. Calorie Calculator+ by FoodFly is not. Editorial scores are 4.5 for Calorie Calculator+ by FoodFly and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Calorie Calculator+ by FoodFly: Free · 4 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: Calorie Calculator+ by FoodFly $9.99, Senza: Keto & Fasting unknown.
Yearly figure: Calorie Calculator+ by FoodFly $53.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only Calorie Calculator+ by FoodFly is marked available. Core feature for identifying food via camera; user reports suggest inconsistent performance.
Text logging: only Calorie Calculator+ by FoodFly is marked available. Manual text entry is supported and reported as functional.
Barcode scanner: only Senza: Keto & Fasting is marked available.
Apple Health: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Micronutrients: only Calorie Calculator+ by FoodFly is marked available. Mentioned as part of the detailed overview.
Workout tracking: 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.
Accuracy focus: only Calorie Calculator+ by FoodFly is marked available. User trust in nutritional data accuracy is uncertain.
Fit
Calorie Calculator+ by FoodFly is filed for Casual Trackers — Users who want a simple, visual way to log meals without complex data entry.; Macro Beginners — Individuals starting to track protein, carbs, and fats for basic fitness goals..
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Accuracy: Calorie Calculator+ by FoodFly 4.5, Senza: Keto & Fasting 5. Calorie Calculator+ by FoodFly: Quality rating of the accuracy feature (5 if unknown). Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Calorie Calculator+ by FoodFly 6.9, Senza: Keto & Fasting 10. Calorie Calculator+ by FoodFly: 10 - annualised price $53.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Calorie Calculator+ by FoodFly 9, Senza: Keto & Fasting 5. Calorie Calculator+ by FoodFly: 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: Calorie Calculator+ by FoodFly 4.6, Senza: Keto & Fasting 2.3. Calorie Calculator+ by FoodFly: 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: Calorie Calculator+ by FoodFly 9.4, Senza: Keto & Fasting 7. Calorie Calculator+ by FoodFly: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Calorie Calculator+ by FoodFly 5.9, Senza: Keto & Fasting 9. Calorie Calculator+ by FoodFly: Bayesian rating 4.33 (iOS 4.50x34 + Play 0.00x0, prior 4.3x200) + review stars sentiment +0.00 over 2 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: Calorie Calculator+ by FoodFly 1.8, Senza: Keto & Fasting 1.7. Calorie Calculator+ by FoodFly: Last release 714 days ago (half-life 90d, 70%) + median 21.5 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Calorie Calculator+ by FoodFly 2.6, Senza: Keto & Fasting 6.8. Calorie Calculator+ by FoodFly: log10 of 34 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Who should pick which
Choose Calorie Calculator+ by FoodFly if you need Photo logging and Text logging. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.