Calorie Tracker Guide · 2026-11-14
Verdict
Senza: Keto & Fasting prices as Free. Welling: AI Nutrition Coach prices as Free · 8 in-app purchase option(s). Welling: AI Nutrition Coach is marked for Photo logging, Audio logging, Text logging. Senza: Keto & Fasting is not. Editorial scores are 5.2 for Senza: Keto & Fasting and 7.7 for Welling: AI Nutrition Coach, on a 10-point scale. That score is not the store rating.
Price
Senza: Keto & Fasting: Free.
Welling: AI Nutrition Coach: Free · 8 in-app purchase option(s).
Monthly figure: Senza: Keto & Fasting unknown, Welling: AI Nutrition Coach $19.99.
Yearly figure: Senza: Keto & Fasting unknown, Welling: AI Nutrition Coach $59.
Features that differ
Photo logging: only Welling: AI Nutrition Coach is marked available. Allows users to snap a photo of food or a nutrition label for AI-based calorie and macro estimation.
Audio logging: only Welling: AI Nutrition Coach is marked available. Supports voice-to-text input for logging meals, enhancing speed and convenience.
Text logging: only Welling: AI Nutrition Coach is marked available. Users can describe meals via chat for AI to estimate calories and macros.
Water tracking: only Welling: AI Nutrition Coach is marked available. A dedicated section for water intake tracking is visible in screenshots.
Accuracy focus: only Welling: AI Nutrition Coach is marked available. The app claims high accuracy with its proprietary AI, but user reviews indicate inconsistencies and unreliability in calorie and macro estimations, often requiring manual edits.
Fit
Senza: Keto & Fasting has no best-fit line.
Welling: AI Nutrition Coach is filed for Busy Individuals — Ideal for those who need quick and effortless food logging using AI via text, photo, or voice.; Beginners in Tracking — Suitable for new users due to its simple interface, encouraging feedback, and streamlined process.; Users with Specific Dietary Needs — Excellent for individuals requiring personalized plans for various diets, intolerances, or health conditions like FODMAP or PCOS..
Where the scores differ
Accuracy: Senza: Keto & Fasting 5, Welling: AI Nutrition Coach 4.5. Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown). Welling: AI Nutrition Coach: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Senza: Keto & Fasting 10, Welling: AI Nutrition Coach 6.6. Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial). Welling: AI Nutrition Coach: 10 - annualised price $59.00/15 (+0.5 if free trial).
Ease of use: Senza: Keto & Fasting 5, Welling: AI Nutrition Coach 9. Senza: Keto & Fasting: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). Welling: AI Nutrition Coach: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Senza: Keto & Fasting 2.3, Welling: AI Nutrition Coach 10. Senza: Keto & Fasting: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Welling: AI Nutrition Coach: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
Beginner friendliness: Senza: Keto & Fasting 7, Welling: AI Nutrition Coach 9.4. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit. Welling: AI Nutrition Coach: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Senza: Keto & Fasting 9, Welling: AI Nutrition Coach 8. Senza: Keto & Fasting: Bayesian rating 4.72 (iOS 4.78x10816 + Play 4.44x1907, prior 4.3x200) + review stars sentiment +0.45 over 20 reviews. Welling: AI Nutrition Coach: Bayesian rating 4.61 (iOS 4.82x1494 + Play 4.23x649, prior 4.3x200) + review stars sentiment +0.10 over 20 reviews.
Maintenance: Senza: Keto & Fasting 1.7, Welling: AI Nutrition Coach 7.7. Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%). Welling: AI Nutrition Coach: Last release 24 days ago (half-life 90d, 70%) + median 19 days between releases (30%).
Traction: Senza: Keto & Fasting 6.8, Welling: AI Nutrition Coach 5.6. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10. Welling: AI Nutrition Coach: log10 of 2143 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Senza: Keto & Fasting 0, Welling: AI Nutrition Coach 8. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features. Welling: AI Nutrition Coach: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Welling: AI Nutrition Coach if you need Photo logging and Audio logging.