Free Basic version
Every ExpiWell account starts on the Free Basic plan — free forever, no credit card required. It enables event-contingent Experience Sampling Method (ESM) and Ecological Momentary Assessment (EMA) research with no restrictions on scale, and creating an account takes about a minute.
What Free Basic includes
- Unlimited participants, responses, and projects
- Unlimited mobile surveys, with event-contingent ESM and EMA
- 12 question types, with randomization, grouping, and skip logic
- Rich text capability
- In-app digital payments (20% transaction fee)
- Free native iOS and Android apps for participants, in seven languages
- Participants automatically link across surveys and projects
- Anonymous tracking of participants' response rates and engagement
- Data export via CSV, TSV, or XML
Creating your free account
- Click Create an account anywhere on expiwell.com — the site routes you to the sign-up page of the correct regional deployment for your location (US or EU), so your data lives in the right region from day one.
- Set up your first project and build a survey with the no-code builder.
- Invite participants — they join through the free ExpiWell app.
When you need more
Scheduled notifications, adaptive time zones, multimedia collection, event-triggering, and wearable integrations live on the paid plans (Plus, Premium, and Sensor+ — each with a free 7-day trial). See Try a free EMA & ESM subscription or the subscription page for the full comparison. Graduate-student, short-term, and academic-department pricing are available.
Troubleshooting
If you're unsure which plan fits your protocol, contact sales@expiwell.com — the team matches plans to study designs daily.