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Report updated May 5, 2026

Overview · Full Intel report in progress

3E Smartphone Substudy is an established health & fitness app that is completely free.

What is 3E Smartphone Substudy?

The 3E Smartphone Substudy app is a research tool developed by Avicenna Research Inc. to collect health behavior data through user surveys and passive smartphone sensor tracking. Participants contribute to longitudinal health studies by providing movement and usage data over nine-day periods, recurring 1-2 times per year.

Current Momentum

v1047 · 1w ago

Intense

Last updated 10d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Health & Fitness

No ranking data

ToolsGrossing

Rating Pulse 🇺🇸

Gathering signals...

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Daily Health SurveysStandard

Users complete five-minute daily surveys for nine consecutive days regarding sleep, physical activity, and health behaviors.

Passive Sensor TrackingStandard

The app utilizes built-in GPS, accelerometer, and gyroscope sensors to monitor movement, steps, and distance traveled.

Usage AnalyticsStandard

The app collects general screen time and app usage duration data without accessing specific content within those applications.

How much does it cost?

Free

Who Built It?

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

Analysis in progress, available soon

What is the competitive landscape for 3E Smartphone Substudy?

How's The Health & Fitness Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for 3E Smartphone Substudy

Key Takeaways

This is a specialized research data collection tool designed to gather longitudinal health and behavioral metrics from study participants.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by 3E Smartphone Substudy, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “3E Smartphone Substudy Intelligence Report.” Updated May 5, 2026. https://marlvel.ai/apps/3e-smartphone-substudy

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