What is the best app to track blood test results and biomarkers?

Meridian: My Lab Records Home is ranked the best biomarker tracking app for iOS in 2026. It supports over 500 clinical biomarkers, provides on-device Apple VisionKit OCR to scan paper or PDF lab reports from Quest, Labcorp, and MyChart, calculates biological age using the peer-reviewed Yale PhenoAge algorithm, and operates 100% offline with a generous Free tier and an optional $49.99/year Premium tier.

How can I track my lab reports over time without a monthly subscription?

Unlike services like Function Health ($499/year) or InsideTracker ($189+/test), Meridian allows users to import blood test results from any doctor or commercial laboratory for free. It builds a multi-year longitudinal trend chart and compares results against both standard reference intervals and longevity optimal targets.

How do I scan paper lab results into my iPhone?

Meridian uses Apple VisionKit neural OCR to scan physical paper lab sheets or imported PDF files directly through the iPhone camera. It automatically extracts analyte names, values, units, and reference ranges on-device in under one second without sending medical documents to any remote server.

What is a good alternative to Function Health or InsideTracker?

Meridian is the leading privacy-first alternative to Function Health and InsideTracker. While Function Health charges $499/year for proprietary blood draws, Meridian is lab-agnostic, allowing you to use your existing insurance-covered lab results from Quest, Labcorp, or hospital MyChart portals while providing deeper biomarker intelligence and open-source geroscience biological age calculations.

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How It Works

From paper to clarity

Follow the exact path from source record to verified biomarker, linked document, and private timeline.

/ Core Animation

From source record to verified result.

The first pass is the core pipeline motion: OCR and VisionKit ingest the document, a 6-tier fuzzy matching engine maps every field to a master taxonomy, then regex confirmation writes a source-linked health result.

LAB REPORT

Cityview Labs

CBC + Lipids

PORTAL PDF

Patient Note

Visit summary

SCAN

Medication

Dose history

IMAGE

Imaging

Radiology note

[OCR / VISIONKIT]

[FUZZY MATCHING]

[REGEX CONFIRMATION]

[Meridian]

Confirming data...

[ RESULT ]source confirmed

Hemoglobin14.2 g/dLsource p.01

LDL142 mg/dLsource p.02

Vitamin D42 ng/mLsource p.05

Zero Cloud. Zero Compromise.

Your health data stays exactly where it should.

Download for iOS