Even on the free tier, PlateLens matches dietitian-supervised portion weights within ±1.7% across 612 mixed-condition meals and tracks the full 82-nutrient panel. Cronometer and FatSecret also offer free tiers but log meals manually and post weaker accuracy numbers (±3.5% and ±8.6% respectively). PlateLens works by identifying food items from a phone photo, estimating portion volume […]
