Calorie Tracker Guide · 2026-11-14
Verdict
Oasis: Personal Health prices as Free · 7 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Oasis: Personal Health is marked for Water tracking. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Macro tracking. Oasis: Personal Health is not. Editorial scores are 5.3 for Oasis: Personal Health and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Oasis: Personal Health: Free · 7 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Yearly figure: Oasis: Personal Health $69.99, Senza: Keto & Fasting unknown.
Features that differ
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.
Water tracking: only Oasis: Personal Health 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
Oasis: Personal Health has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Oasis: Personal Health 5.3, Senza: Keto & Fasting 10. Oasis: Personal Health: 10 - annualised price $69.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Feature depth: Oasis: Personal Health 1.5, Senza: Keto & Fasting 2.3. Oasis: Personal Health: 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: Oasis: Personal Health 8, Senza: Keto & Fasting 9. Oasis: Personal Health: Bayesian rating 4.67 (iOS 4.77x13549 + Play 4.56x12155, prior 4.3x200) + review stars sentiment -0.70 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: Oasis: Personal Health 9.8, Senza: Keto & Fasting 1.7. Oasis: Personal Health: Last release 0 days ago (half-life 90d, 70%) + median 2 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Oasis: Personal Health 7.4, Senza: Keto & Fasting 6.8. Oasis: Personal Health: log10 of 25704 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 Oasis: Personal Health if you need Water tracking. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.