Calorie Tracker Guide · 2026-11-14
Verdict
Dexcom Clarity prices as Free. Spren Body Composition Scanner prices as Free · 10 in-app purchase option(s). Spren Body Composition Scanner is marked for Water tracking. Dexcom Clarity is not. Editorial scores are 4.2 for Dexcom Clarity and 4.4 for Spren Body Composition Scanner, on a 10-point scale. That score is not the store rating.
Price
Dexcom Clarity: Free.
Spren Body Composition Scanner: Free · 10 in-app purchase option(s).
Monthly figure: Dexcom Clarity unknown, Spren Body Composition Scanner $19.99.
Yearly figure: Dexcom Clarity unknown, Spren Body Composition Scanner $119.99.
Features that differ
Water tracking: only Spren Body Composition Scanner is marked available. Mentioned in the App Store description.
Fit
Dexcom Clarity has no best-fit line.
Spren Body Composition Scanner has no best-fit line.
Where the scores differ
Pricing value: Dexcom Clarity 10, Spren Body Composition Scanner 2. Dexcom Clarity: 10 - annualised price $0.00/15 (+0.5 if free trial). Spren Body Composition Scanner: 10 - annualised price $119.99/15 (+0.5 if free trial).
Feature depth: Dexcom Clarity 1.1, Spren Body Composition Scanner 1.5. Dexcom Clarity: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Spren Body Composition Scanner: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
User feedback: Dexcom Clarity 5.9, Spren Body Composition Scanner 8.4. Dexcom Clarity: Bayesian rating 4.31 (iOS 4.60x13153 + Play 3.87x8508, prior 4.3x200) + review stars sentiment +0.15 over 20 reviews. Spren Body Composition Scanner: Bayesian rating 4.69 (iOS 4.74x1491 + Play 0.00x0, prior 4.3x200) + review stars sentiment -0.20 over 20 reviews.
Maintenance: Dexcom Clarity 1.5, Spren Body Composition Scanner 4. Dexcom Clarity: Last release 312 days ago (half-life 90d, 70%) + median 78 days between releases (30%). Spren Body Composition Scanner: Last release 185 days ago (half-life 90d, 70%) + median 9 days between releases (30%).
Traction: Dexcom Clarity 7.2, Spren Body Composition Scanner 5.3. Dexcom Clarity: log10 of 21661 total ratings (iOS+Play), 1M ratings = 10. Spren Body Composition Scanner: log10 of 1491 total ratings (iOS+Play), 1M ratings = 10.
Who should pick which
Choose Spren Body Composition Scanner if you need Water tracking.