Calorie Tracker Guide · 2026-11-14
Verdict
Protein Tracker: Protein Pal prices as Free · 5 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Protein Tracker: Protein Pal is marked for Photo logging. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Workout tracking, Fasting. Protein Tracker: Protein Pal is not. Editorial scores are 6.1 for Protein Tracker: Protein Pal and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Protein Tracker: Protein Pal: Free · 5 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Features that differ
Photo logging: only Protein Tracker: Protein Pal is marked available. Mentioned in the App Store description.
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.
Fit
Protein Tracker: Protein Pal has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Protein Tracker: Protein Pal 7.6, Senza: Keto & Fasting 10. Protein Tracker: Protein Pal: 10 - annualised price $35.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Protein Tracker: Protein Pal 7.8, Senza: Keto & Fasting 5. Protein Tracker: Protein Pal: 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: Protein Tracker: Protein Pal 3.1, Senza: Keto & Fasting 2.3. Protein Tracker: Protein Pal: 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: Protein Tracker: Protein Pal 8.6, Senza: Keto & Fasting 7. Protein Tracker: Protein Pal: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Protein Tracker: Protein Pal 8.8, Senza: Keto & Fasting 9. Protein Tracker: Protein Pal: Bayesian rating 4.71 (iOS 4.72x10945 + Play 4.39x89, prior 4.3x200) + review stars sentiment +0.30 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: Protein Tracker: Protein Pal 9.3, Senza: Keto & Fasting 1.7. Protein Tracker: Protein Pal: Last release 4 days ago (half-life 90d, 70%) + median 6 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Protein Tracker: Protein Pal 6.7, Senza: Keto & Fasting 6.8. Protein Tracker: Protein Pal: log10 of 11034 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 Protein Tracker: Protein Pal if you need Photo logging. Choose Senza: Keto & Fasting if you need Workout tracking and Fasting.