Open-source EMA, from idea to live study

EMA Forge

Build a survey, add branching or phone-camera physiology, preview the participant experience, and deploy a working study to your own Cloudflare account. EMA Forge needs no account; your deployment hosts the study, participant links, and private response data.

Build a study Explore protocols

Build without codingSurveys, branching, PPG, ePAT, HCT

Deploy in minutesGuided Cloudflare handoff

Start on a free tierUsage limits and optional SMS costs apply

Researcher controlledPrivate data in your Cloudflare account

Core tool

Study Builder

Arrange surveys and physiological tasks in the order participants experience them. Export a complete participant app without writing code.

Open builder

Open library

Protocols & Measures

Preview complete study designs, reusable measures, and physiology presets. Add an item to the Builder with one click or prepare your own contribution.

Explore the library

Analysis

Analyze

Inspect returned data locally, review item and ePAT summaries, or simulate a complete protocol before deployment.

Open Analyze

Reference

Documentation

Setup instructions, deployment guide, config schema reference, and notes on extending EMA Forge with new task modules.

Read the docs

From idea to field study

One continuous research workflow

EMA Forge prepares the study; Cloudflare hosts the participant experience, private data, messaging, and monitoring without requiring a permanent EMA Forge account.

ChooseStart blank or from the library

BuildArrange surveys and physiology

PreviewTest branching and participant flow

DeployHand off to Cloudflare

InviteShare links or schedule Twilio

MonitorReview and export responses