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The app that saves lives.

Stroke Helper

AI-powered early detection of strokes

Recognize the signs.

Gain Time.

International Stroke Day - October 29, 2025

Stroke?

Detect. Act. Save.

Designed for emergencies. Easy for everyone to understand.

With Stroke Helper*, you can detect possible stroke symptoms within seconds – using facial analysis, speech recognition, and a simple checklist. 

*This is a prototype. Learn more here*.

Why rapid help matters.

Facts you should know.

200,000 new cases annually

In Germany, around 200,000* people suffer a stroke for the first time every year – many of them completely unexpectedly. A rapid response can save lives and prevent permanent damage.

Detect faster – treat better

"Time is Brain- In the case of a stroke, every minute counts: around 32,000 brain cells die every second*. The earlier it is detected, the better the chances of recovery.

Help when no one is watching.

Many stroke patients are alone at the critical moment – Stroke Helper helps with detection*, even when no doctor is nearby. Simple. Fast. Digital.

⚠️ Important note: StrokeHelper does not replace no medical diagnosis.
The app can only detect symptoms and indicate possible signs of a stroke.
In case of suspected stroke, always: call emergency services immediately!

When curiosity turns into innovation

How it all began

The idea for Stroke Helper was born after attending the “Long Night of Science” (July 2024) at the University Hospital in Homburg during a lecture on strokes.

What began as fascination turned into a project: together with two school friends, I participated in Jugend forscht junior and later also in Jugend forscht successfully participated.
Since then, the topic has never left me – I wanted to understand how symptoms, risks, and modern AI methods can work together.

Today, I can present the first prototype of my app.

The lifesaver in your hand

Good to know

Stroke Helper is already usable as a prototype – but not yet officially available in the App Store.
I’m continuing to develop the app and improve it step by step.

Features at a glance

Onboarding with risk assessment

Right from the initial setup, Stroke Helper analyzes your personal risk factors – anonymously and in compliance with data protection regulations.

Facial analysis

Detect asymmetric facial movements or paralysis using the camera – similar to the FaceID setup.

Speech analysis

Compare current speech with your stored reference – if slurred speech is detected, a warning is issued.

Symptom checklist

With just a few questions, you can check for additional warning signs – easy to use, even in stressful moments.

HealthKit integration

Uses existing data such as age, weight, or medications – for a more accurate risk assessment.

MIRA – First Aid Coach

If the app detects possible stroke symptoms, MIRA guides you step by step through first aid measures — following the well-known ABCDE protocol.

Artificial intelligence from the very beginning

From the very beginning of development, it was clear: Stroke Helper would not be possible without AI.
The first research efforts with simple models such as the Personal Image Classifier laid the foundation for the app’s ability to detect irregularities at all.

Later, additional tools for image and speech analysis were added, making it possible to detect symptoms such as slurred speech or facial paralysis.

It’s important for me to emphasize: to make early detection even more accurate, both I, the app, and the AI need more data and information – the learning process is therefore continuously ongoing.

Stroke Helper Lab

Central platform for AI training
Start: with human involvement (doctors, experts validating data)
Goal: continuous improvement of detection accuracy

Stroke Helper Lite

Rollout version for hospital staff
Used for data collection in real environments
Provides diagnostic capabilities
Sends data & results back to the Lab → strengthens training

AI MIRA – in-house development

The core of the system

StrokeFaceAsymmetry: Analysis of facial asymmetries (mouth, eyes, cheeks, eyebrows)
StrokeFaceCNN: Deep learning model (Convolutional Neural Network) for image & 3D FaceID recognition (TrueDepth data, facial scans)
FusionCalib: Fusion of image, speech, and checklist data for higher precision
Pattern recognition & algorithm development → continuous improvement of early detection in new app versions

Stroke Helper App

For patients & relatives
Detects symptoms in time (face, speech, checklists)
Supports in emergencies: action guidance & emergency call option

Every second counts

With StrokeHelper, I want to contribute to detecting strokes earlier – and saving lives.

What’s next for StrokeHelper?

Stroke Helper is currently a working prototype. It demonstrates that it is possible to detect stroke symptoms in speech and facial expressions using AI.

But my goal is bigger: I want to continue researching and developing the app so that one day it can truly save lives.

Intensify research

I want to engage in dialogue with experts and doctors, and perhaps also speak with patients who are willing to share their experiences.

Raise awareness & promote prevention

It’s important to me to raise more awareness about strokes and encourage people to live healthier and more consciously.

If you’d like to support me—whether with knowledge, experience, or via a partnership—I’d be happy to receive your email at E-Mail.

Together, we can help save lives.

Advance the technology

To make early detection even more reliable, the AI needs more data. Every new insight helps improve the app step by step.

Collaboration with strong partners

To successfully realize Stroke Helper, I want to collaborate with partners from research, healthcare, and industry who share this vision.