Can’t really try it.
This app didn’t crash, it did show a map. It sounds like a great idea. For that I gave it 2 stars. HOWEVER, it doesn’t do much unless you are in Oklahoma or Missouri.
Great app!
Super easy to use! Thank you!

Access local government data for address, coordinate, and intersection searches. Uses device GPS and 9-1-1 mapping data for emergency response and location tracking.
1.1.1
May 7, 2020
Filter layers by whitelisted counties.
eCOP - SDR is used for address, coordinate, and intersection searches on data provided by local government, specifically for 9-1-1 call mapping and emergency location.
Yes, eCOP - SDR uses your device's GPS to track your location on the map, integrating it with the map data developed for your local 9-1-1 system.
The app utilizes map data created and maintained by your local government specifically for 9-1-1 call mapping and emergency location purposes.
Yes, eCOP - SDR is supported on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.
The latest version of eCOP - SDR is 1.1.1, which was last updated on May 7, 2020. This indicates it has not received updates in over three years.
eCOP - SDR has a user rating of 3.6 stars based on 5 ratings, suggesting a mixed reception from its user base.
No, eCOP - SDR does not contain advertisements. It is a free application without any in-app purchases or advertisements.
eCOP - SDR has an age rating of 4+, making it suitable for users aged four and older.