Calorie Tracker Guide · 2026-11-14
Verdict
Cal Plus - AI Calorie Tracker prices as Free · 4 in-app purchase option(s). Signos prices as Free. Cal Plus - AI Calorie Tracker is marked for Photo logging, Text logging, Barcode scanner. Signos is not. Signos is marked for Water tracking. Cal Plus - AI Calorie Tracker is not. Editorial scores are 9.1 for Cal Plus - AI Calorie Tracker and 6 for Signos, on a 10-point scale. That score is not the store rating.
Price
Cal Plus - AI Calorie Tracker: Free · 4 in-app purchase option(s).
Signos: Free.
Yearly figure: Cal Plus - AI Calorie Tracker $9.99, Signos unknown.
Features that differ
Photo logging: only Cal Plus - AI Calorie Tracker is marked available. Allows scanning barcodes or snapping photos of meals for instant calorie and nutrient logging. Screenshot 1 shows 'Peanut Butter on Toast' with calories and macros.
Text logging: only Cal Plus - AI Calorie Tracker is marked available. The 'Recipe Finder' feature allows generating recipes from a list of ingredients, implying text input. Menu scan also processes text.
Barcode scanner: only Cal Plus - AI Calorie Tracker is marked available.
Macro tracking: only Cal Plus - AI Calorie Tracker is marked available. Tracks protein, carbs, and fats. Evident in screenshot 1 (Peanut Butter on Toast) and screenshot 6 (menu scan results). Reviews mention accuracy for protein.
Water tracking: only Signos is marked available. Mentioned in the App Store description.
Workout tracking: only Cal Plus - AI Calorie Tracker is marked available. Live workout tracking with 800+ exercises, logging sets, reps, and calories burned. Screenshot 4 shows detailed workout logging interface.
Accuracy focus: only Cal Plus - AI Calorie Tracker is marked available. Reviews praise the accuracy of calorie and protein tracking. The app uses AI for food recognition and menu scanning, aiming for precise data.
Fit
Cal Plus - AI Calorie Tracker is filed for Calorie & Macro Tracking — Individuals focused on precise calorie and macronutrient tracking using AI-powered food recognition and logging.; Workout Enthusiasts — Users who want to log detailed workouts, track progress, and integrate fitness data from other platforms.; Community Support — People seeking motivation and accountability through shared progress and meal logging in community groups..
Signos has no best-fit line.
Where the scores differ
Accuracy: Cal Plus - AI Calorie Tracker 10, Signos 5. Cal Plus - AI Calorie Tracker: Quality rating of the accuracy feature (5 if unknown). Signos: Quality rating of the accuracy feature (5 if unknown).
Pricing value: Cal Plus - AI Calorie Tracker 9.3, Signos 10. Cal Plus - AI Calorie Tracker: 10 - annualised price $9.99/15 (+0.5 if free trial). Signos: 10 - annualised price $0.00/15 (+0.5 if free trial).
Ease of use: Cal Plus - AI Calorie Tracker 10, Signos 5. Cal Plus - AI Calorie Tracker: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode). Signos: 5 + 5 x best quality of fast-logging features (AI image/text/audio, barcode).
Feature depth: Cal Plus - AI Calorie Tracker 8.9, Signos 2.7. Cal Plus - AI Calorie Tracker: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10. Signos: Quality-weighted share of tracked features available (excellent 1.0 .. poor 0.2), x1.6, capped at 10.
Beginner friendliness: Cal Plus - AI Calorie Tracker 10, Signos 7. Cal Plus - AI Calorie Tracker: 60% easeOfUse + 40% beginner skill-level fit. Signos: 60% easeOfUse + 40% beginner skill-level fit.
User feedback: Cal Plus - AI Calorie Tracker 9.2, Signos 7. Cal Plus - AI Calorie Tracker: Bayesian rating 4.74 (iOS 4.82x1605 + Play 4.73x4416, prior 4.3x200) + review stars sentiment +0.65 over 20 reviews. Signos: Bayesian rating 4.50 (iOS 4.60x1023 + Play 4.27x291, prior 4.3x200) + review stars sentiment -0.25 over 20 reviews.
Maintenance: Cal Plus - AI Calorie Tracker 9.6, Signos 9.3. Cal Plus - AI Calorie Tracker: Last release 0 days ago (half-life 90d, 70%) + median 4 days between releases (30%). Signos: Last release 2 days ago (half-life 90d, 70%) + median 8 days between releases (30%).
Traction: Cal Plus - AI Calorie Tracker 6.3, Signos 5.2. Cal Plus - AI Calorie Tracker: log10 of 6021 total ratings (iOS+Play), 1M ratings = 10. Signos: log10 of 1314 total ratings (iOS+Play), 1M ratings = 10.
Coachability: Cal Plus - AI Calorie Tracker 10, Signos 5.5. Cal Plus - AI Calorie Tracker: Best quality of aiCoach / coachConnection features. Signos: Best quality of aiCoach / coachConnection features.
Who should pick which
Choose Cal Plus - AI Calorie Tracker if you need Photo logging and Text logging. Choose Signos if you need Water tracking.