Products

Sonde Mental Fitness
Sonde Health
Developer Tools & APIs
Sonde Mental Fitness uses voice biomarkers and AI to detect and track symptoms of depression and anxiety, offering an API/SDK for integration into healthcare solutions for providers.

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About Sonde Health

Sonde Health is a healthcare AI company that has developed a voice-based technology platform to monitor and detect various health conditions. Their platform leverages millions of medically-labeled voice samples and advanced machine learning to extract pertinent information from short voice recordings, providing actionable health insights. The company’s technology is designed to be non-invasive, accessible, and can be integrated into commonly-owned devices like smartphones and smart speakers.

For physicians, Sonde Health’s vocal biomarker platform offers a proactive approach to healthcare by enabling earlier detection and risk stratification of health issues. The technology can be integrated into existing apps and devices, providing continuous health monitoring without requiring additional steps from patients. This can help identify potential health concerns well before a costly medical event occurs, supporting informed decision-making and potentially improving patient outcomes. Sonde Health emphasizes data privacy and security, adhering to GDPR and HIPAA regulations, and is SOC Type 1 and Type 2 certified with NIST Cybersecurity Framework 2.0 certification in progress.

The company’s research focuses on the generalizability and individualization of vocal biomarker measures, aiming to develop universal speech features and prediction models. Sonde Health’s platform is not intended for diagnosis but rather to measure the risk of disease by identifying symptoms through vocal analytics. They offer their enterprise vocal biomarker technology to companies in various health verticals, including telehealth, pharmaceutical, remote patient monitoring, and consumer/medical devices.

Focus Areas

Vocal biomarkers Mental fitness Cognitive fitness Respiratory health Depression Anxiety Mild cognitive impairment Asthma COPD COVID-19 Stress Performance tracking AI in healthcare Digital health Remote patient monitoring

Business Intelligence

TechnologyAI-powered vocal biomarker platform, advanced audio signal processing, speech science, machine learning, API/SDK for integration into devices (smartphones, smart speakers, AR/smart glasses), cloud-native (implied)

What Physicians Need to Know

Vocal Biomarkers
Sonde Health specializes in using AI-powered vocal biomarker technology to detect subtle changes in voice that can indicate shifts in mental, cognitive, and respiratory health. They have identified over 4,000 different vocal features and have a dataset of over 1.2 million voice samples from more than 85,000 individuals across four continents.
Mental Fitness
Sonde's technology provides insights into mental fitness, including detecting symptoms associated with depression, anxiety, stress, and burnout. Their Mental Fitness (MF) product uses advanced algorithms to evaluate speech and generate an MF score, helping users understand and manage their mental well-being.
Cognitive Fitness
Sonde Cognitive Fitness tracks brain exertion or cognitive effort in real-time by analyzing eight vocal characteristics from 30-second voice interactions. It generates a score (Efficient, Balanced, Demanding) to provide insights into one's cognitive state, aiding in managing stress, optimizing performance, and maintaining mental clarity.
Respiratory Health
Sonde's vocal biomarker platform can detect respiratory conditions like asthma, COPD, and COVID-19 by analyzing voice samples. Their Respiratory Responsive Vocal Biomarker (RRVB) tool has been validated to differentiate patients with respiratory conditions from healthy individuals.
Privacy-Centric Design
Sonde analyzes speech characteristics rather than the content of conversations, ensuring that voice recordings and sensitive personal data are not stored. This approach maintains user privacy and has gained trust for use in research and clinical settings.
High User Engagement
Sonde's technology is designed for seamless integration into everyday devices and applications, leading to high user engagement. Data shows users perform mental fitness health checks more than three times per week, with an 85% retention rate.
Physician Tip

For physicians, Sonde Health offers a non-invasive, accessible, and real-time analysis tool that can provide early clues about a patient's well-being across mental, cognitive, and respiratory domains. The technology can be integrated into existing digital health platforms and devices, enabling continuous monitoring and risk stratification. The privacy-centric design, which analyzes speech characteristics rather than content, addresses data security concerns. This can lead to increased patient engagement in self-management and provide objective data to support proactive health management and timely interventions. It's important to note that Sonde's tools are for monitoring and insights, not diagnostic purposes.

Sonde Health's technology is designed for seamless integration into various platforms and devices. They offer an API and SDK for easy integration into iOS and Android mobile applications, smart speakers, hearing aids, and other connected devices. They have also optimized their technology for integration into Qualcomm's Snapdragon® Sound Platforms and other Qualcomm processors, enabling vocal biomarker tracking directly within small-footprint chipsets for wearables like earbuds, headphones, and smart glasses.

Products by Sonde Health

1 product in the directory

Sonde Mental Fitness
Sonde Health
Developer Tools & APIs
Sonde Mental Fitness uses voice biomarkers and AI to detect and track symptoms of depression and anxiety, offering an API/SDK for integration into healthcare solutions for providers.

What the Web Says

Sonde Health is a health technology company that utilizes voice-enabled symptom detection and monitoring for chronic and mental health conditions. Their products, like Sonde Mental Fitness and Sonde One, analyze vocal features to provide insights into mental fitness, cognitive effort, and potential indicators of conditions like depression, anxiety, COPD, and asthma. The company's technology is based on advanced audio signal processing, speech science, and machine learning, and it's designed with user privacy in mind. While the technology shows promise for early detection and monitoring, some user reviews highlight concerns about the app's functionality and the lack of direct diagnostic capabilities.

Overall: Mixed

Strengths

  • Uses advanced vocal biomarker technology for health insights
  • Offers an early warning system for mental health and cognitive fitness
  • Designed with user privacy in mind
  • Provides voice-to-text journaling feature
  • Can be integrated into employer wellness programs
  • Potential for monitoring various conditions like depression, anxiety, COPD, asthma, and cognitive decline

Limitations

  • Product does not offer therapeutic solutions or direct diagnoses
  • Some users report issues with the app requiring daily logins
  • Concerns raised about the effectiveness of some app 'exercises'
  • Limited independent product reviews available on major platforms like G2, Glassdoor, and Capterra
  • One Reddit thread suggests a potential scam related to recruitment practices
  • Skepticism from some reviewers regarding wellness sector startups and biomarkers without FDA approval

Based on reviews from: Built In, App Store, Stacey on IoT, Google Play, Reddit, HIT Consultant, Sonde Health Website

Last updated: 2026-10-22

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Press & Coverage

pharmaphorum
Sonde Health launches voice-based cognitive fitness tracker
Sonde Health has launched a new technology for tracking cognitive fitness using vocal biomarkers, aiming to detect early signs of decline. This expands their existing work in detecting respiratory and mental health issues from a patient's voice.
2024-08
Sonde Health
Sonde Health Presents Breakthrough Findings on Cognitive Fitness Vocal Biomarkers at 2024 Alzheimer's Association International Conference
New research from Sonde Health, presented at AAIC 2024, confirms that vocal biomarker technology can differentiate between individuals with higher and lower cognitive function, reinforcing its potential as a noninvasive tool for monitoring cognitive health.
2024-09
Sonde Health
Study Confirms Sonde Health's Voice-Based Mental Fitness Solution Accurately Identifies Individuals with Elevated Mental Health Symptoms
A new study published in Frontiers in Psychiatry validated Sonde Health's mental fitness vocal biomarker platform for reliably distinguishing individuals with elevated mental health symptoms. The research highlights the potential of vocal biomarkers to complement clinical care and improve self-monitoring.
2024-03
Business Wire
Sonde Health Integrates Voice-Based Health Monitoring Technology into Qualcomm's Snapdragon® S7+ Gen 1 Sound Platform
Sonde Health has integrated its voice-based health monitoring technology into Qualcomm's Snapdragon® S7+ Gen 1 Sound Platform, enabling vocal biomarker health tracking in small-footprint chipsets for various wearables.
2025-01
Sonde Health
Sonde Health to Bring Voice-Powered Fitness Tracking to Snapdragon AR1 Gen 1 Platform for Smart Glasses and Augmented Reality Glasses
Sonde Health announced a collaboration with Qualcomm Technologies to enable its vocal biomarker platform on devices powered by the Snapdragon® AR1 Gen 1 processor, bringing ambient wellness monitoring to smart glasses and AR glasses.
2025-11
MobiHealthNews
Sonde Health lands over $19 million to expand AI vocal biomarker tech
Sonde Health secured $19.25 million in Series B funding, bringing its total to $35.25 million, to expand commercial growth, platform capabilities, and geographic reach for its AI vocal biomarker technology.
2022-12
Sonde Health
Sonde Health and MassGen Selected for MassAITC Pilot Study to Examine Use of Voice in Remote Detection and Monitoring of Mild Cognitive Impairment
Sonde Health, in conjunction with Massachusetts General Hospital, was selected by MassAITC to lead a pilot study leveraging vocal biomarkers for remote detection and monitoring of mild cognitive impairment in the home.
2023-02
Sonde Health
Sonde Health Awarded SBIR Phase II Contract to Develop Voice-Based Mental Health Monitoring Solutions for Department of the Air Force Personnel
Sonde Health received a Phase II Small Business Innovation Research (SBIR) contract from AFWERX to develop voice-based mental health monitoring solutions for Department of the Air Force personnel.
2025-09

Frequently Asked Questions

Sonde Health leverages a range of vocal biomarkers, analyzing subtle changes in voice to detect indicators of conditions such as depression, anxiety, and respiratory health issues like asthma and COPD. These biomarkers are identified and validated through extensive research and clinical studies, often involving partnerships with academic institutions and healthcare providers to ensure their accuracy and reliability in a clinical context.
Sonde Health's technology is designed for seamless integration with existing RPM platforms and EHRs through APIs and SDKs. This allows healthcare providers to easily incorporate vocal biomarker analysis into their current workflows for tracking mental and cognitive fitness, enabling comprehensive patient monitoring and data management within their established systems.
Sonde Health typically offers flexible pricing models tailored to the scale and needs of healthcare organizations, which can include per-patient licensing or platform-based subscriptions. They provide comprehensive technical support, including dedicated account management, implementation assistance, and ongoing training for clinical staff to ensure effective utilization of their vocal biomarker technology.
Sonde Health prioritizes regulatory compliance, adhering to stringent data privacy and security standards such as HIPAA and GDPR to protect patient information. They are actively pursuing and have obtained relevant regulatory clearances, including FDA clearance for specific applications, to ensure their AI-driven vocal biomarker solutions meet the necessary medical device and health technology requirements.
Sonde Health has established strategic partnerships with leading pharmaceutical companies, digital health platforms, and research institutions to advance the adoption and development of vocal biomarkers. The company demonstrates strong long-term stability through continuous innovation, securing funding, and expanding its product pipeline to address a broader range of health conditions, including ongoing research into stress and performance tracking.
Sonde Health differentiates itself through its proprietary AI models specifically trained on vast datasets of vocal samples correlated with various health conditions, offering high accuracy and clinical utility. For conditions like mild cognitive impairment and COVID-19, their technology provides a non-invasive and objective method for early detection and monitoring, complementing traditional diagnostic approaches and enhancing patient care.

Investors

Who's funded Sonde Health.

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