Calorie Tracker Guide · 2026-11-14
Verdict
Lingo by Abbott is marked for Photo logging. Senza: Keto & Fasting is not. Senza: Keto & Fasting is marked for Barcode scanner, Fasting. Lingo by Abbott is not. Editorial scores are 5.6 for Lingo by Abbott and 5.2 for Senza: Keto & Fasting, on a 10-point scale. That score is not the store rating.
Price
Lingo by Abbott: Free.
Senza: Keto & Fasting: Free.
Features that differ
Photo logging: only Lingo by Abbott is marked available. Mentioned in the App Store description.
Barcode scanner: only Senza: Keto & Fasting is marked available.
Fasting: only Senza: Keto & Fasting is marked available. Mentioned in the App Store description.
Fit
Lingo by Abbott has no best-fit line.
Senza: Keto & Fasting has no best-fit line.
Where the scores differ
Ease of use: Lingo by Abbott 7.8, Senza: Keto & Fasting 5. Lingo by Abbott: 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: Lingo by Abbott 2.7, Senza: Keto & Fasting 2.3. Lingo by Abbott: 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: Lingo by Abbott 8.6, Senza: Keto & Fasting 7. Lingo by Abbott: 60% easeOfUse + 40% beginner skill-level fit. Senza: Keto & Fasting: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Lingo by Abbott 7, Senza: Keto & Fasting 9. Lingo by Abbott: Bayesian rating 4.47 (iOS 4.48x8857 + Play 4.45x2259, prior 4.3x200) + review stars sentiment +0.15 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: Lingo by Abbott 7.7, Senza: Keto & Fasting 1.7. Lingo by Abbott: Last release 8 days ago (half-life 90d, 70%) + median 54.0 days between releases (30%). Senza: Keto & Fasting: Last release 332 days ago (half-life 90d, 70%) + median 47 days between releases (30%).
Traction: Lingo by Abbott 6.7, Senza: Keto & Fasting 6.8. Lingo by Abbott: log10 of 11116 total ratings (iOS+Play), 1M ratings = 10. Senza: Keto & Fasting: log10 of 12723 total ratings (iOS+Play), 1M ratings = 10.
Who should pick which
Choose Lingo by Abbott if you need Photo logging. Choose Senza: Keto & Fasting if you need Barcode scanner and Fasting.