Calorie Tracker Guide · 2026-11-14
Verdict
Carbon - Macro Coach & Tracker prices as Free · 3 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Carbon - Macro Coach & Tracker is marked for Micronutrients, Accuracy focus. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Workout tracking, Fasting. Carbon - Macro Coach & Tracker is not. Editorial scores are 6.6 for Carbon - Macro Coach & Tracker and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Carbon - Macro Coach & Tracker: Free · 3 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: Carbon - Macro Coach & Tracker $11.99, Senza: Keto & Fasting unknown.
Yearly figure: Carbon - Macro Coach & Tracker $99.99, Senza: Keto & Fasting unknown.
Features that differ
Micronutrients: only Carbon - Macro Coach & Tracker is marked available. Included in food database tracking.
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 Carbon - Macro Coach & Tracker is marked available. Highly regarded for scientific accuracy.
Fit
Carbon - Macro Coach & Tracker is filed for Data-Driven Users — Ideal for those who want a structured, science-based approach to nutrition.; Macro Trackers — Perfect for individuals looking to optimize body composition through precise macro management..
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Accuracy: Carbon - Macro Coach & Tracker 10, Senza: Keto & Fasting 5. Carbon - Macro Coach & Tracker: Quality rating of the accuracy feature (5 if unknown). Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Carbon - Macro Coach & Tracker 3.3, Senza: Keto & Fasting 10. Carbon - Macro Coach & Tracker: 10 - annualised price $99.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: Carbon - Macro Coach & Tracker 4.9, Senza: Keto & Fasting 2.3. Carbon - Macro Coach & 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.
User feedback: Carbon - Macro Coach & Tracker 9.5, Senza: Keto & Fasting 9. Carbon - Macro Coach & Tracker: Bayesian rating 4.79 (iOS 4.83x8166 + Play 4.72x2949, prior 4.3x200) + review stars sentiment +0.65 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: Carbon - Macro Coach & Tracker 8.9, Senza: Keto & Fasting 1.7. Carbon - Macro Coach & Tracker: Last release 9 days ago (half-life 90d, 70%) + median 8 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Carbon - Macro Coach & Tracker 6.7, Senza: Keto & Fasting 6.8. Carbon - Macro Coach & Tracker: log10 of 11115 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 Carbon - Macro Coach & Tracker if you need Micronutrients and Accuracy focus. Choose Senza: Keto & Fasting if you need Workout tracking and Fasting.