Calorie Tracker Guide · 2026-11-14
Verdict
Arrow: Workout & Macro Tracker prices as Free · 9 in-app purchase option(s). Senza: Keto & Fasting prices as Free. Arrow: Workout & Macro Tracker is marked for Photo logging, Audio logging, Text logging. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Fasting. Arrow: Workout & Macro Tracker is not. Editorial scores are 7 for Arrow: Workout & Macro Tracker and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Arrow: Workout & Macro Tracker: Free · 9 in-app purchase option(s).
Senza: Keto & Fasting: Free.
Features that differ
Photo logging: only Arrow: Workout & Macro Tracker is marked available. Mentioned in the App Store description.
Audio logging: only Arrow: Workout & Macro Tracker is marked available. Mentioned in the App Store description.
Text logging: only Arrow: Workout & Macro Tracker is marked available. Mentioned in the App Store description.
Water tracking: only Arrow: Workout & Macro Tracker is marked available. Mentioned in the App Store description.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fit
Arrow: Workout & Macro Tracker has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Pricing value: Arrow: Workout & Macro Tracker 4.7, Senza: Keto & Fasting 10. Arrow: Workout & Macro Tracker: 10 - annualised price $79.99/15 (+0.5 if free trial). Senza: Keto & Fasting: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Arrow: Workout & Macro Tracker 7.8, Senza: Keto & Fasting 5. Arrow: Workout & Macro Tracker: 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: Arrow: Workout & Macro Tracker 5.4, Senza: Keto & Fasting 2.3. Arrow: Workout & Macro Tracker: 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: Arrow: Workout & Macro Tracker 8.6, Senza: Keto & Fasting 7. Arrow: Workout & Macro Tracker: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Arrow: Workout & Macro Tracker 9.3, Senza: Keto & Fasting 9. Arrow: Workout & Macro Tracker: Bayesian rating 4.78 (iOS 4.79x9583 + Play 4.77x1831, prior 4.3x200) + review stars sentiment +0.40 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: Arrow: Workout & Macro Tracker 9.1, Senza: Keto & Fasting 1.7. Arrow: Workout & Macro Tracker: Last release 0 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%).
Coachability: Arrow: Workout & Macro Tracker 5.5, Senza: Keto & Fasting 0. Arrow: Workout & Macro Tracker: Best quality of aiCoach / coachConnection features. Senza: Keto & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Arrow: Workout & Macro Tracker if you need Photo logging and Audio logging. Choose Senza: Keto & Fasting if you need Fasting.