Skip to content

Skin Mole Photo Timeline

Take consistent photos of moles over time and compare them side by side.

Intermediate14h1 person16/20 fit
TL;DR

Build Skin Mole Photo Timeline for people monitoring moles for a dermatologist in ~14h with 1 person. Stack: React Native + OpenCV + Local storage.

Why it wins: Careful health design without risky claims.

Build flow

01 · Problem
People cannot tell whether a mole has changed.
02 · Solution
Guide consistent photo capture, align photos over time and show side-by-side comparisons and size measurements to bring to a dermatologist, with no diagnosis.
03 · Build
  1. 1Build capture guide
  2. 2Align images
  3. 3Measure size
  4. 4Export report
04 · Demo
Show three months of aligned photos of a sample mole.

MVP checklist

  • Guided capture
  • Image alignment
  • Comparison view
  • Doctor export

Tech stack

TechRole
React NativeMobile app
OpenCVTooling
Local storageClient-side persistence

Related ideas

More Health
  • Track cycles with all data stored only on the device

    Beginner10h1
    React NativeSQLiteEncryption
    16/20
  • Photograph a meal and get an editable estimate of calories and macros

    Intermediate14h1–2
    Vision LLMNext.jsNutrition API
    17/20