RadResponder provides free software tools for logging, transmitting, storing, analyzing, and presenting environmental radiation monitoring data. Data is stored in a secure cloud environment accessible only by the user. To register for an account and to obtain further information, please go to

What's New

Version 3.4.0

•Added Air Sample Volume Calculation from Flow
•Added GPS Accuracy Indicator
•Added GPS or internet connectivity indicator
•Added clustering on map icons (iOS 11+)
•Added NPP and RDD layer on Event map
•Add 6ft measurement as a Quick choice in Height selector in Field Survey
•Changed check for new data on event selection
•Fixed Responder Tracking logging isn't pulling in newly assigned user field team
•Fixed save an air sample without choosing an air sample type
•Fixed Field Survey in data set not sending Event Simulation Id to server
•Fixed Settings indicate that Delete uploaded data is default text display
•Fixed Identified Isotopes entered in previous data point won't upload to server
•Fixed Observation validation allows empty space
•Change map filter from "Local Data Only" to "My Data Only"
•Fixed Data Collection Sets remain in data list between users on device in same event
•Fixed unable to upload standalone data to Respond to Emergency event without permission
•Fixed Event Center Pin missing after refreshing map
•Removed Sync section in diagnostic view

Ratings and Reviews

21st Century arrives for REP

C. Adams III

It is here! The paper and faxes be gone!

Safety Specialist


You cannot even log into this worthless app. What a waste. What is the point of even offering an app that does not work in the least?


Chainbridge Technologies
112.4 MB
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© Chainbridge Technologies


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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