Localabs
An iPhone app that turns a photographed lab report into a five-section plain-language readout, running a medical language model entirely on the phone.
Specmeasured on iPhone 17
- Model
- MedGemma 4B, 2.5 GB quantized
- Runtime
- llama.cpp on Metal GPU
- Photo to readout
- ~12 s
- OCR
- Apple Vision, table reconstruction
- Output
- Summary, glossary, diet, questions, medications
- Context
- 30 days of HealthKit data
- Cloud baseline
- Command A+: 7.1 s median, ~$0.02/report
- Requires
- iOS 26, iPhone 15 Pro or later
Write-up coming soon.
Why I built it
Who it was for and what problem they had.
The hard part
One decision I had to make and what I gave up.
What I'd do next
Honest limits and the next measurement.