Epi Info™ for Mobile Devices

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Attention Epi Info™ User Community!

Thank you for being part of the Epi Info™ Community of Users.

After careful consideration, CDC will be phasing out support for Epi Info™. Product development and technical assistance for Epi Info™ will discontinue after Sept. 1, 2025. While the desktop tool could be functional after CDC assistance is discontinued, updates to Windows operating system and .NET framework might interfere with the usability of Epi Info™. This decision is part of CDC's realignment of resources to focus on products that support the ONE CDC approach to data modernization in public health strategies. CDC understands that this may impact your operations, and we want to ensure users have ample time to transition smoothly. CDC is committed to assist throughout this transition period. A team has been assembled to ensure smooth sunsetting of support for Epi Info™ with an emphasis on customer experience. The team will continue to offer support and maintenance for Epi Info™ until the phase out date.

If you have any questions, please contact: epiinfohelp@cdc.gov or check our website for additional updates/information regarding this announcement.

Epi Info™ Sunset Page
Sample size calculators

Sample size calculators

Mobile data collection

Mobile data collection

Quick epidemiologic data analysis

Quick epidemiologic data analysis

Epi Info™ mobile apps bring many of the features of Epi Info™ for Windows onto Android and iOS mobile platforms. Epidemiologists can calculate sample sizes, collect data, and perform analysis using their smartphones or tablets to investigate outbreaks, respond to emergencies, or conduct public health research in locations lacking IT infrastructure. Data collection forms can be designed using Epi Info™ for Windows and emailed to users of mobile devices. The apps will load the forms and allow users to immediately collect data in the field. Epi Info™ mobile apps are also cloud-aware, enabling organizations to quickly consume cloud services to allow teams of epidemiologists to collect data collaboratively. Data can be collected offline and synchronized with team members when Internet connectivity becomes available. For users already connected to the Internet via Wi-Fi or cellular data, collected data can be uploaded to the cloud instantly to allow for real-time data analysis and situational awareness.

Epi Info mobile app shown running on an Android phone

Download Android app

Download from Google Play

Key features:

  • Sideload your Epi Info™ for Windows form templates onto an Android device via USB or distribute them to multiple devices as email attachments.
  • Collect and store data within the Android device and copy them back to Epi Info™ for Windows using sync files.
  • Supports relational forms and most Epi Info™ for Windows form logic (known as “Check Code”).
  • Large screen devices render forms close to how they were designed on Windows.
  • On smaller screens, questions are presented in a stacked format based on their tab order on Windows.
  • Newly added “Interview Mode” presents questionnaires one card at a time (shown here) with check code determining which card to show next.
  • Automatically sync data to available Microsoft Azure Mobile Services if Internet is accessible.

Download iOS app

Download from App Store

Key features:

  • Distribute Epi Info™ for Windows form templates to iOS devices as email attachments.
  • Collect and store data within the iOS device and copy the data back to Epi Info™ for Windows using sync files.
  • Supports relational forms and most Epi Info™ for Windows form logic (known as “Check Code”).
  • Questions are presented in a stacked format based on their tab order on Windows.
  • Perform Frequency, Means, and Tables analyses on the iOS device.
  • More information on Epi Info™ iOS mobile application available here: iOS Mobile
 Epi Info mobile app shown running on an iPhone

Download Android app
Download from Google Play
Epi Info mobile app shown running on an Android phone

Key features:

  • Sideload your Epi Info™ for Windows form templates onto an Android device via USB or distribute them to multiple devices as email attachments.
  • Collect and store data within the Android device and copy them back to Epi Info™ for Windows using sync files.
  • Supports relational forms and most Epi Info™ for Windows form logic (known as “Check Code”).
  • Large screen devices render forms close to how they were designed on Windows
  • On smaller screens, questions are presented in a stacked format based on their tab order on Windows.
  • Newly added “Interview Mode” presents questionnaires one card at a time (shown here) with check code determining which card to show next.
  • Automatically sync data to available Microsoft Azure Mobile Services if Internet is accessible.

Download iOS app
Download from App Store
Epi Info app shown running on an Apple iPhone

Key features:

  • Distribute Epi Info™ for Windows form templates to iOS devices as email attachments.
  • Collect and store data within the iOS device and copy the data back to Epi Info™ for Windows using sync files.
  • Supports relational forms and most Epi Info™ for Windows form logic (known as “Check Code”).
  • Questions are presented in a stacked format based on their tab order on Windows.
  • Perform Frequency, Means, and Tables analyses on the iOS device.