Calorie Tracker Guide · 2026-11-14
Verdict
Nutritionix Track prices as Free · 2 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Nutritionix Track is marked for Text logging, Micronutrients, Water tracking. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Fasting. Nutritionix Track is not. Editorial scores are 7.2 for Nutritionix Track and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Nutritionix Track: Free · 2 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Monthly figure: Nutritionix Track $5.99, Senza: Keto & Fasting unknown.
Yearly figure: Nutritionix Track $28.99, Senza: Keto & Fasting unknown.
Features that differ
Text logging: only Nutritionix Track is marked available. Uses natural language processing for text-based food entry.
Micronutrients: only Nutritionix Track is marked available. Some users report limited or inconsistent micronutrient data.
Water tracking: only Nutritionix Track is marked available. Built-in water intake tracker.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Coach connection: only Nutritionix Track is marked available. Coach Portal available via Track Pro subscription.
Accuracy focus: only Nutritionix Track is marked available. Database is large, but users report some inaccurate nutritional entries.
Fit
Nutritionix Track is filed for Casual Trackers — Users who need a simple, fast way to log food intake.; Macro-Focused Dieters — Individuals prioritizing protein, carb, and fat monitoring..
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Accuracy: Nutritionix Track 4.5, Senza: Keto & Fasting 5. Nutritionix Track: Quality rating of the accuracy feature (5 if unknown). Senza: Keto & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Nutritionix Track 8.6, Senza: Keto & Fasting 10. Nutritionix Track: 10 - annualised price $28.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Nutritionix Track 9, Senza: Keto & Fasting 5. Nutritionix Track: 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: Nutritionix Track 6.4, Senza: Keto & Fasting 2.3. Nutritionix Track: 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: Nutritionix Track 9.4, Senza: Keto & Fasting 7. Nutritionix Track: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Nutritionix Track 7.6, Senza: Keto & Fasting 9. Nutritionix Track: Bayesian rating 4.56 (iOS 4.75x44033 + Play 4.15x20779, prior 4.3x200) + review stars sentiment +0.10 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: Nutritionix Track 6.8, Senza: Keto & Fasting 1.7. Nutritionix Track: Last release 26 days ago (half-life 90d, 70%) + median 52 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Nutritionix Track 8, Senza: Keto & Fasting 6.8. Nutritionix Track: log10 of 64812 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Nutritionix Track 8, Senza: Keto & Fasting 0. Nutritionix Track: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Nutritionix Track if you need Text logging and Micronutrients. Choose Senza: Keto & Fasting if you need Fasting.