Calorie Tracker Guide · 2026-11-14
Verdict
Senza: Keto & Fasting is marked for Barcode scanner, Macro tracking, Fasting. Viome is not. Viome is marked for Micronutrients. Senza: Keto & Fasting is not. Editorial scores are 5.2 for Senza: Keto & Fasting and 5.8 for Viome, on a 10-point scale. That score is not the store rating.
Price
Senza: Keto & Fasting: Free.
Viome: Free.
Features that differ
Barcode scanner: only Senza: Keto & Fasting is marked available.
Macro tracking: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Micronutrients: only Viome is marked available. Mentioned in the App Store description.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fit
Senza: Keto & Fasting has no best-fit line.
Viome has no best-fit line.
Where the scores differ
Feature depth: Senza: Keto & Fasting 2.3, Viome 3.1. Senza: Keto & Fasting: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Viome: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Senza: Keto & Fasting 9, Viome 8.1. Senza: Keto & Fasting: Bayesian rating 4.72 (iOS 4.78x10816 + Play 4.44x1907, prior 4.3x200) + review stars sentiment +0.45 over 20 reviews. Viome: Bayesian rating 4.65 (iOS 4.63x5813 + Play 4.83x1258, prior 4.3x200) + review stars sentiment -0.35 over 20 reviews.
Maintenance: Senza: Keto & Fasting 1.7, Viome 8.1. Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%). Viome: Last release 3 days ago (half-life 90d, 70%) + median 42 days between releases (30%).
Traction: Senza: Keto & Fasting 6.8, Viome 6.4. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10. Viome: log10 of 7071 total ratings (iOS+Play), 1M ratings = 10.
Who should pick which
Choose Senza: Keto & Fasting if you need Barcode scanner and Macro tracking. Choose Viome if you need Micronutrients.