Calorie Tracker Guide · 2026-11-14
Verdict
Fast & Fit: IF Fasting Counter prices as Free · 7 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Fast & Fit: IF Fasting Counter is marked for Photo logging, Text logging, Water tracking. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Workout tracking. Fast & Fit: IF Fasting Counter is not. Editorial scores are 5.4 for Fast & Fit: IF Fasting Counter and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Fast & Fit: IF Fasting Counter: Free · 7 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: Fast & Fit: IF Fasting Counter $19.99, Senza: Keto & Fasting unknown.
Yearly figure: Fast & Fit: IF Fasting Counter $69.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only Fast & Fit: IF Fasting Counter is marked available. AI-powered calorie tracking via photo scan is a premium feature, though some user reviews claim it does not function as advertised.
Text logging: only Fast & Fit: IF Fasting Counter is marked available. Manual calorie logging by typing is available, supported by a U.S.-based food database.
Barcode scanner: only Senza: Keto & Fasting is marked available.
Water tracking: only Fast & Fit: IF Fasting Counter is marked available. Includes functionality to track water intake, though details on its depth are limited.
Workout tracking: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Accuracy focus: only Fast & Fit: IF Fasting Counter is marked available. Claims accurate calorie logging via a large U.S.-based food database, though some user reviews dispute overall feature effectiveness.
Fit
Fast & Fit: IF Fasting Counter is filed for Intermittent Fasting Enthusiasts — Users committed to various IF protocols (16:8, OMAD, custom) seeking a dedicated timer and progress tracker.; Calorie-Conscious Dieters — Individuals focused on precise calorie and macronutrient tracking for weight management, supported by a U.S. food database.; Diet-Specific Tracking — Those following specific diets like Keto, Carnivore, or Vegan who need tailored logging and macro targets..
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Accuracy: Fast & Fit: IF Fasting Counter 8, Senza: Keto & Fasting 5. Fast & Fit: IF Fasting Counter: Quality rating of the accuracy feature (5 if unknown). Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Fast & Fit: IF Fasting Counter 5.8, Senza: Keto & Fasting 10. Fast & Fit: IF Fasting Counter: 10 - annualised price $69.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Fast & Fit: IF Fasting Counter 9, Senza: Keto & Fasting 5. Fast & Fit: IF Fasting Counter: 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: Fast & Fit: IF Fasting Counter 6.9, Senza: Keto & Fasting 2.3. Fast & Fit: IF Fasting Counter: 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: Fast & Fit: IF Fasting Counter 9.4, Senza: Keto & Fasting 7. Fast & Fit: IF Fasting Counter: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Fast & Fit: IF Fasting Counter 5.5, Senza: Keto & Fasting 9. Fast & Fit: IF Fasting Counter: Bayesian rating 4.29 (iOS 4.36x431 + Play 3.19x29, prior 4.3x200) + review stars sentiment -0.35 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: Fast & Fit: IF Fasting Counter 2.7, Senza: Keto & Fasting 1.7. Fast & Fit: IF Fasting Counter: Last release 331 days ago (half-life 90d, 70%) + median 11.5 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Fast & Fit: IF Fasting Counter 4.4, Senza: Keto & Fasting 6.8. Fast & Fit: IF Fasting Counter: log10 of 460 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 Fast & Fit: IF Fasting Counter if you need Photo logging and Text logging. Choose Senza: Keto & Fasting if you need Barcode scanner and Workout tracking.