Products

SnoreSounds
APPIAN MEDICAL
Neurology AI
SnoreSounds by Appian Medical was an FDA-cleared smartphone app that used a neural network algorithm to diagnose Obstructive Sleep Apnea (OSA) through snore analysis.

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About APPIAN MEDICAL

Appian Medical developed and commercialized mHealth diagnostic technologies specifically for obstructive sleep apnea (OSA). Their core innovation was an FDA-cleared smartphone application, “SnoreSounds,” which utilized a validated neural network algorithm to accurately diagnose OSA by analyzing snore recordings. This technology aimed to provide a non-invasive, accessible diagnostic tool for a condition that affects a large, often undiagnosed, patient population.

The company’s patented technology was designed to not only diagnose OSA via smartphones but also to potentially identify associated chronic and costly co-morbid diseases that afflict many undiagnosed OSA patients globally. This dual focus highlighted an ambition to move beyond simple diagnosis to a more comprehensive patient risk stratification and management approach, leveraging mobile health and artificial intelligence for early detection and intervention.

However, it is important to note that Appian Medical is currently listed as “deadpooled.”

Focus Areas

Diagnosis of Obstructive Sleep Apnea (OSA) using smartphone apps and neural network algorithms; identification of co-morbid diseases associated with OSA

Business Intelligence

Key InvestorsTEDCO, Anne Arundel
TechnologySmartphone app, neural network algorithm for snore recordings
FDA Clearances1 cleared products (estimated)

What Physicians Need to Know

Core Specialization
APPIAN MEDICAL (referring to technologies like ApneaApp/APP-NEA) specializes in the diagnosis of Obstructive Sleep Apnea (OSA) using innovative smartphone applications and advanced neural network algorithms. This approach aims to provide a more accessible and convenient diagnostic pathway for patients.
Key Differentiators
Their primary differentiator is the use of contactless smartphone technology, transforming a standard smartphone into an active sonar system to monitor minute chest and abdomen movements for breathing patterns, eliminating the need for cumbersome sensors. This enables home-based, cost-effective, and user-friendly sleep apnea detection. For oral appliance therapy, they leverage deep machine learning and augmented intelligence to develop predictive computational algorithms for more effective and predictable treatment.
Technology Stack
The core technology stack includes leveraging smartphone sensors (accelerometer, gyroscope, microphone) and transforming the device into an active sonar system. Neural network algorithms and deep machine learning are employed for sophisticated data analysis to identify various sleep apnea events (obstructive, central, hypopnea) and estimate key metrics like the Apnea-Hypopnea Index (AHI).
Co-morbid Disease Identification
While the primary focus is on OSA diagnosis, by accurately identifying OSA, the technology indirectly supports physicians in managing and monitoring co-morbid diseases frequently associated with sleep apnea, such as hypertension, heart disease, stroke, and diabetes.
Physician Tip

For physicians, APPIAN MEDICAL's (ApneaApp/APP-NEA) technology offers a significant advantage by providing a streamlined and patient-friendly approach to OSA diagnosis. The ability to conduct sleep studies at home using a smartphone can reduce the logistical challenges and costs associated with traditional polysomnography, potentially increasing diagnostic rates and reducing delays in treatment. The AI-driven analysis provides clear, interpretable data and metrics like AHI, aiding in accurate diagnosis and personalized treatment planning. For dental sleep medicine, the predictive analytics can enhance the precision and effectiveness of oral appliance therapy. This allows for more proactive and data-driven care, improving patient outcomes and satisfaction.

APPIAN MEDICAL (ApneaApp/APP-NEA) solutions are designed to integrate into existing healthcare workflows through secure online portals for sharing patient diagnosis and treatment progress between medical and dental practices. The generation of clear, actionable reports from smartphone data also facilitates seamless incorporation into electronic health records (EHRs) and clinical decision-making processes, supporting a consolidated view of patient health data.

Products by APPIAN MEDICAL

1 product in the directory

SnoreSounds
APPIAN MEDICAL
Neurology AI
SnoreSounds by Appian Medical was an FDA-cleared smartphone app that used a neural network algorithm to diagnose Obstructive Sleep Apnea (OSA) through snore analysis.

What the Web Says

Appian is a software company that provides an AI Process Platform for automating business processes, with a strong focus on low-code application development. Reviews indicate that the platform is highly effective for streamlining complex workflows, improving efficiency, and integrating data from various sources. While generally praised for its capabilities, some users highlight concerns regarding cost and certain aspects of the user experience.

Overall: Positive

Strengths

  • Ease of use and intuitive design, enabling quick workflow automation without extensive coding skills.
  • Rapid application development through its low-code platform, accelerating the development lifecycle.
  • Strong workflow automation and process orchestration capabilities, streamlining complex business operations.
  • Robust AI capabilities that enhance efficiency, automation, and content management.
  • Excellent integration capabilities with multiple systems, facilitating seamless data flow.
  • Good work-life balance and a positive work environment, according to many employees.

Limitations

  • High cost, particularly for small and medium-sized businesses.
  • Limited features in some areas, such as security enhancements and RPA capabilities, compared to competitors.
  • Challenges with flexibility, performance issues, and customization options.
  • Complexity in tailoring the platform to specific business needs and managing version control.
  • Aspects of the interface can be dated, and some required fields may be superfluous.
  • Some employees report a transactional and impersonal work culture, with leadership needing to improve in communication and strategy.

Based on reviews from: Gartner Peer Insights, G2, Indeed.com, Appian.com, Comparably, Reddit, Capterra, FirstSales.io, PCMag, Adalo

Last updated: 2026-07-17

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Press & Coverage

FinSMEs
Appian Medical Secures $580K in Seed Funding
Appian Medical, a mobile health company focused on obstructive sleep apnea (OSA) solutions, secured $580,000 in seed funding.
2014-08
TEDCO Press Release
TEDCO Invests $1.6 Million in 16 Maryland Startups
Appian Medical Inc. received $100,000 in funding from TEDCO's Technology Commercialization Fund for its SnoreSounds product, which detects Obstructive Sleep Apnea using smartphone-recorded sleep breathing sounds.
2015-09
FDA
510(k) Premarket Notification for SnoreSounds
The FDA issued a 510(k) Premarket Notification for Appian Medical, Inc.'s SnoreSounds device, classifying it as a Class II Breathing Frequency Monitor.
2015-11
ResearchGate (IQVIA Institute for Human Data Science)
Digital Health Trends 2024 Implications for Research and Patient Care
Appian Medical's SnoreSounds is listed as an FDA-approved AI/ML-enabled mobile tool for obstructive sleep apnea detection in a report on digital health trends.
2023-10
Fasken
AI Revolution in Life Sciences: Promises, Challenges and Patent Rights
Appian Medical Inc. is mentioned as having an AI/ML-enabled medical device approved by the FDA in the anesthesiology field.
2023-09
U.S. Department of Veterans Affairs
VA AI Inventory u2013 Updated 7/29/2024
Appian Medical's SnoreSounds device is listed in the VA AI Inventory under Tucson VA Anesthesia Devices.
2024-07
PitchBook
Appian Medical 2026 Company Profile: Valuation, Funding ...
PitchBook provides an asset profile for Appian Medical, detailing valuation, funding, cap tables, investors, and executives.
2026-05
Tracxn
Appian Medical - 2026 Funding Rounds & List of Investors - Tracxn
Tracxn offers a comprehensive overview of Appian Medical's funding history, including details on funding rounds and a complete list of investors.
2026-05

Frequently Asked Questions

Appian Medical developed a smartphone application designed to diagnose Obstructive Sleep Apnea (OSA) by analyzing snore recordings. This software utilized neural network algorithms to detect the presence of OSA from sound characteristics associated with snoring and airway collapse, demonstrating a reported accuracy of 93% in clinical studies.
While Appian Medical's core product focused on OSA diagnosis, the company highlighted that untreated OSA can cause or worsen over 36 chronic diseases, including hypertension, diabetes, and heart conditions. The diagnostic report generated by their smartphone app would have provided critical information to physicians, enabling them to consider these associated co-morbidities in patient management.
Appian Medical aimed to achieve direct-to-consumer clearance via FDA 510(k) for its diagnostic software. This indicates their intention for the smartphone app to be recognized as a medical device, adhering to regulatory standards for safety and efficacy.
The proposed business model involved a free download of the smartphone application. However, customers would pay $50 for a full diagnostic report, which could then be used by their physician to prescribe therapy, and an additional $50 for a 15-minute real-time video consultation with a sleep medicine doctor.
Appian Medical planned to offer real-time video consultations with sleep medicine doctors for $50, allowing physicians to review patient reports and discuss results. This model aimed to integrate the smartphone-based diagnosis into existing clinical workflows and provide expert interpretation.
Appian Medical envisioned generating revenue through strategic partners, including health insurance payors and VA hospitals, in addition to direct consumer purchases. This suggests an intent to integrate their diagnostic solution within broader healthcare systems and insurance frameworks.
Appian Medical is identified as a 'deadpooled' company, meaning it is no longer actively operating. The company was founded in 2014 and raised a total of $680K in funding over three rounds, with its last funding round in February 2016.

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