ShelfLife vs Calk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ShelfLife compared with Calk
Detail	ShelfLife	Calk
What it does	Know what's expiring before it's too late	The calorie counter you don't have to live in
Stage	MVP	Startup
Founded	Not given	2026
Based in	Not given	IL
Pricing model	Freemium	Freemium
Pricing	Pro Weekly: $1.99/week; Pro Monthly: $6.99/month; Pro Quarterly: $14.99/quarter. All plans include 7-day free trial. Annual cost: $59.96 for quarterly billing.	Core tracker free forever (food logging, targets, weight entry, weight trend). Annual subscription $49.99/year for daily advice and monthly reports (first month free).
Key features	Smart alerts before food expires Works offline with device cache and USDA fallback data One-tap JSON/CSV data export on every plan Weekly reports and consumption tracking Recipe matching based on expiring items Home-screen widgets to see expiring items without opening app	Monthly Nutrition Report with meal analysis Weight trend chart Variety Map showing food diversity Offline food and weight logging No ads or tracking Calorie and macro targets Daily advice and recommendations No kitchen scale required Shareable seven-day Variety Map
What makes it different	Works completely offline with USDA fallback dataset Data ownership guarantee: every plan includes export so you own your inventory	Food logging with a defined endpoint instead of permanent daily tracking Changes to familiar meals instead of restrictive diets Focus on meal composition over portion reduction Transparent data handling with no third-party tracking
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	16 +2 (up) since last check	8 no change since last check
Trust Flow (Majestic)	6	14
Citation Flow (Majestic)	25	24
Referring domains (Majestic)	13	31

6 details filled in for both companies.

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