Calorie Tracker Guide · 2026-11-14
Verdict
MeThreeSixty: 3D Body Scanner prices as Free · 6 in-app purchase option(s). Senza: Keto & Fasting prices as Free. MeThreeSixty: 3D Body Scanner is marked for Photo logging. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Macro tracking, Workout tracking. MeThreeSixty: 3D Body Scanner is not. Editorial scores are 5.5 for MeThreeSixty: 3D Body Scanner and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
MeThreeSixty: 3D Body Scanner: Free · 6 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: MeThreeSixty: 3D Body Scanner $4.99, Senza: Keto & Fasting unknown.
Yearly figure: MeThreeSixty: 3D Body Scanner $39.99, Senza: Keto & Fasting unknown.
Features that differ
Photo logging: only MeThreeSixty: 3D Body Scanner is marked available. Mentioned in the App Store description.
Barcode scanner: only Senza: Keto & Fasting is marked available.
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
MeThreeSixty: 3D Body Scanner has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: MeThreeSixty: 3D Body Scanner 7.3, Senza: Keto & Fasting 10. MeThreeSixty: 3D Body Scanner: 10 - annualised price $39.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: MeThreeSixty: 3D Body Scanner 7.8, Senza: Keto & Fasting 5. MeThreeSixty: 3D Body Scanner: 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: MeThreeSixty: 3D Body Scanner 1.9, Senza: Keto & Fasting 2.3. MeThreeSixty: 3D Body Scanner: 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: MeThreeSixty: 3D Body Scanner 8.6, Senza: Keto & Fasting 7. MeThreeSixty: 3D Body Scanner: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: MeThreeSixty: 3D Body Scanner 8.1, Senza: Keto & Fasting 9. MeThreeSixty: 3D Body Scanner: Bayesian rating 4.64 (iOS 4.75x18418 + Play 4.22x4310, prior 4.3x200) + review stars sentiment -0.15 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: MeThreeSixty: 3D Body Scanner 7.5, Senza: Keto & Fasting 1.7. MeThreeSixty: 3D Body Scanner: Last release 19 days ago (half-life 90d, 70%) + median 32 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: MeThreeSixty: 3D Body Scanner 7.3, Senza: Keto & Fasting 6.8. MeThreeSixty: 3D Body Scanner: log10 of 22728 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 MeThreeSixty: 3D Body Scanner if you need Photo logging. Choose Senza: Keto & Fasting if you need Barcode scanner and Macro tracking.