Calorie Tracker Guide · 2026-11-14
Verdict
PeptidePal – Peptide Tracker prices as Free · 8 in-app purchase option(s). Senza: Keto & Fasting prices as Free. PeptidePal – Peptide Tracker is marked for Photo logging. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Macro tracking. PeptidePal – Peptide Tracker is not. Editorial scores are 5.4 for PeptidePal – Peptide Tracker and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
PeptidePal – Peptide Tracker: Free · 8 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: PeptidePal – Peptide Tracker $14.99, Senza: Keto & Fasting unknown.
Yearly figure: PeptidePal – Peptide Tracker $59.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only PeptidePal – Peptide Tracker is marked available. Mentioned in the App Store description.
Barcode scanner: only Senza: Keto & Fasting is marked available.
Apple Health: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Macro tracking: only Senza: Keto & Fasting 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
PeptidePal – Peptide Tracker has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: PeptidePal – Peptide Tracker 6, Senza: Keto & Fasting 10. PeptidePal – Peptide Tracker: 10 - annualised price $59.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: PeptidePal – Peptide Tracker 7.8, Senza: Keto & Fasting 5. PeptidePal – Peptide Tracker: 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: PeptidePal – Peptide Tracker 1.9, Senza: Keto & Fasting 2.3. PeptidePal – Peptide Tracker: 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: PeptidePal – Peptide Tracker 8.6, Senza: Keto & Fasting 7. PeptidePal – Peptide Tracker: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: PeptidePal – Peptide Tracker 7.7, Senza: Keto & Fasting 9. PeptidePal – Peptide Tracker: Bayesian rating 4.64 (iOS 4.67x4927 + Play 4.26x239, prior 4.3x200) + review stars sentiment -0.85 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: PeptidePal – Peptide Tracker 8.7, Senza: Keto & Fasting 1.7. PeptidePal – Peptide Tracker: Last release 17 days ago (half-life 90d, 70%) + median 5 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: PeptidePal – Peptide Tracker 6.2, Senza: Keto & Fasting 6.8. PeptidePal – Peptide Tracker: log10 of 5166 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 PeptidePal – Peptide Tracker if you need Photo logging. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.