Checks a food label photo against your allergy list
Intermediate24h1–2
ReactVision LLMOCR
17/20Meal Photo Macro Estimator
Photograph a meal and get an editable estimate of calories and macros.
Intermediate14h1–2 people17/20 fit
Build Meal Photo Macro Estimator for fitness and diet trackers in ~14h with 1–2 people. Stack: Vision LLM + Next.js + Nutrition API.
Why it wins: Fast multimodal demo with honest uncertainty.
Build flow
01 · Problem
Logging food manually is tedious, so people stop tracking.
02 · Solution
A vision model identifies foods and portions, estimates macros with ranges and lets users correct items before saving.
03 · Build
- 1Capture photo
- 2Prompt vision model
- 3Look up nutrition
- 4Save logs
04 · Demo
Snap a plate of food and show the editable estimate.
MVP checklist
- Food detection
- Macro ranges
- Quick corrections
- Daily totals
Tech stack
| Tech | Role | |
|---|---|---|
| Vision LLM | Image understanding | AI |
| Next.js | Frontend + API routes | Web |
| Nutrition API | External data | API |
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