Screen for POTS at Home

Gather objective data about your symptoms to share with your healthcare provider. Free NASA Lean Test screening using your Apple Watch.

Struggling to Get Answers?

Many people with dizziness, rapid heartbeat, and fatigue when standing struggle for years to get a diagnosis. POTS Check helps you gather objective data to bring to your doctor.

Objective Heart Rate Data

Track exactly how your heart rate responds when you stand up, with precise measurements from your Apple Watch.

PDF Reports for Your Doctor

Generate professional reports with your test results, symptoms, and heart rate data to share with healthcare providers.

100% Private, On-Device

Your health data stays on your device with encryption at rest. No cloud uploads required. You control your data.

How POTS Check Works

Complete the NASA Lean Test in just 16 minutes using your iPhone and Apple Watch.

Wear Your Apple Watch

Put on your Apple Watch and open the POTS Check companion app. The watch monitors your heart rate throughout the test.

Follow the NASA Lean Test

Lie down for 5 minutes (baseline), then stand against a wall for 10 minutes while the app tracks your heart rate response.

Get Your Results

See your heart rate change with age-appropriate analysis. Export a PDF report to share with your healthcare provider.

Key Features

NASA Lean Test Protocol

Clinically-recognized screening protocol used in research and clinical settings for orthostatic testing.

Age-Based Thresholds

Applies appropriate POTS screening criteria: 40+ bpm for ages 13-19, 30+ bpm for adults 20+.

Symptom Logging

Log symptoms during the standing phase with timestamps for comprehensive reporting.

Health Profile

Import baseline vitals from Apple Health for richer clinical context (Secure Account).

Posture Detection

Uses motion sensors to validate proper test positioning and ensure reliable results.

Completely FREE

Both Guest Mode and Secure Account are free. No subscriptions or in-app purchases.

Important: Wellness Tool, Not a Medical Device

POTS Check is a wellness screening tool, NOT a medical device or diagnostic tool. Results are for informational purposes and should be discussed with your healthcare provider. This app does not diagnose POTS or any medical condition. Always consult a qualified healthcare professional for medical advice.

What You Need

iPhone iOS 18.6 or later
Apple Watch watchOS 11.0 or later
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16 Minutes In a quiet environment

Ready to Start Gathering Data?

Download POTS Check for free and take your first screening test today.

Download on the App Store