Calorie Tracker Guide · 2026-11-14
Verdict
Dexcom Clarity prices as Free. Fastic: Weight Loss & Fasting prices as Free · 7 in-app purchase option(s). Fastic: Weight Loss & Fasting is marked for Photo logging, Apple Health, Macro tracking. Dexcom Clarity is not. Editorial scores are 4.2 for Dexcom Clarity and 8.1 for Fastic: Weight Loss & Fasting, on a 10-point scale. That score is not the store rating.
Price
Dexcom Clarity: Free.
Fastic: Weight Loss & Fasting: Free · 7 in-app purchase option(s).
Monthly figure: Dexcom Clarity unknown, Fastic: Weight Loss & Fasting $14.99.
Yearly figure: Dexcom Clarity unknown, Fastic: Weight Loss & Fasting $79.99.
Features that differ
Photo logging: only Fastic: Weight Loss & Fasting is marked available. Food scanner identifies nutritional content via photo.
Apple Health: only Fastic: Weight Loss & Fasting is marked available. Syncs weight, steps, and activity.
Macro tracking: only Fastic: Weight Loss & Fasting is marked available. Focuses on protein and general nutrition.
Water tracking: only Fastic: Weight Loss & Fasting is marked available. Includes reminders.
Workout tracking: only Fastic: Weight Loss & Fasting is marked available. Basic compatibility; not a dedicated fitness tracker.
Fasting: only Fastic: Weight Loss & Fasting is marked available. The primary function of the app.
Accuracy focus: only Fastic: Weight Loss & Fasting is marked available. Relies on user input and scanner estimation.
Fit
Dexcom Clarity has no best-fit line.
Fastic: Weight Loss & Fasting is filed for Intermittent Fasting Beginners — Ideal for those needing structure and visual cues to start fasting.; Habit Trackers — Great for users motivated by streaks, badges, and daily challenges..
Where the scores differ
Accuracy: Dexcom Clarity 5, Fastic: Weight Loss & Fasting 8. Dexcom Clarity: Quality rating of the accuracy feature (5 if unknown). Fastic: Weight Loss & Fasting: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Dexcom Clarity 10, Fastic: Weight Loss & Fasting 5.2. Dexcom Clarity: 10 - annualised price $0.00/15 (+0.5 if free trial). Fastic: Weight Loss & Fasting: 10 - annualised price $79.99/15 (+0.5 if free trial).
Ease of use: Dexcom Clarity 5, Fastic: Weight Loss & Fasting 9. Dexcom Clarity: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). Fastic: Weight Loss & Fasting: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Dexcom Clarity 1.1, Fastic: Weight Loss & Fasting 8.9. Dexcom Clarity: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Fastic: Weight Loss & Fasting: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
Beginner friendliness: Dexcom Clarity 7, Fastic: Weight Loss & Fasting 9.4. Dexcom Clarity: 60% easeOfUse + 40% beginner skill-level fit. Fastic: Weight Loss & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Dexcom Clarity 5.9, Fastic: Weight Loss & Fasting 7.2. Dexcom Clarity: Bayesian rating 4.31 (iOS 4.60x13153 + Play 3.87x8508, prior 4.3x200) + review stars sentiment +0.15 over 20 reviews. Fastic: Weight Loss & Fasting: Bayesian rating 4.51 (iOS 4.80x246087 + Play 4.35x421073, prior 4.3x200) + review stars sentiment -0.05 over 20 reviews.
Maintenance: Dexcom Clarity 1.5, Fastic: Weight Loss & Fasting 9. Dexcom Clarity: Last release 312 days ago (half-life 90d, 70%) + median 78 days between releases (30%). Fastic: Weight Loss & Fasting: Last release 6 days ago (half-life 90d, 70%) + median 8.5 days between releases (30%).
Traction: Dexcom Clarity 7.2, Fastic: Weight Loss & Fasting 9.7. Dexcom Clarity: log10 of 21661 total ratings (iOS+Play), 1M ratings = 10. Fastic: Weight Loss & Fasting: log10 of 667160 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Dexcom Clarity 0, Fastic: Weight Loss & Fasting 8. Dexcom Clarity: Best quality of aiCoach / coachConnection features. Fastic: Weight Loss & Fasting: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Fastic: Weight Loss & Fasting if you need Photo logging and Apple Health.