Calorie Tracker Guide · 2026-11-14
Verdict
Happy Poop: Toilet Journal Log prices as Free · 5 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Happy Poop: Toilet Journal Log is marked for Photo logging, Water tracking. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Apple Health, Macro tracking. Happy Poop: Toilet Journal Log is not. Editorial scores are 5.9 for Happy Poop: Toilet Journal Log and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Happy Poop: Toilet Journal Log: Free · 5 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Features that differ
Photo logging: only Happy Poop: Toilet Journal Log 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.
Water tracking: only Happy Poop: Toilet Journal Log is marked available. Mentioned in the App Store description.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fit
Happy Poop: Toilet Journal Log has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Happy Poop: Toilet Journal Log 6.7, Senza: Keto & Fasting 10. Happy Poop: Toilet Journal Log: 10 - annualised price $49.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Happy Poop: Toilet Journal Log 7.8, Senza: Keto & Fasting 5. Happy Poop: Toilet Journal Log: 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: Happy Poop: Toilet Journal Log 1.5, Senza: Keto & Fasting 2.3. Happy Poop: Toilet Journal Log: 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: Happy Poop: Toilet Journal Log 8.6, Senza: Keto & Fasting 7. Happy Poop: Toilet Journal Log: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Happy Poop: Toilet Journal Log 10, Senza: Keto & Fasting 9. Happy Poop: Toilet Journal Log: Bayesian rating 4.85 (iOS 4.85x2796 + Play 4.86x10160, prior 4.3x200) + review stars sentiment +1.00 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: Happy Poop: Toilet Journal Log 8.1, Senza: Keto & Fasting 1.7. Happy Poop: Toilet Journal Log: Last release 21 days ago (half-life 90d, 70%) + median 12 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Happy Poop: Toilet Journal Log 6.9, Senza: Keto & Fasting 6.8. Happy Poop: Toilet Journal Log: log10 of 12956 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 Happy Poop: Toilet Journal Log if you need Photo logging and Water tracking. Choose Senza: Keto & Fasting if you need Barcode scanner and Apple Health.