Air carrier first officer reported concerns regarding chart plus software.

Attributes
ACN	1702780
Time
Date	201911
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Taxi
Flight Plan	IFR
Component
Aircraft Component	Electronic Flt Bag (EFB)
Person 1
Function	Pilot Flying First Officer
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy

Narrative:

Charts plus efb [has] constant crashing of software with new update. [Unable] to use. Reverted back to jeppesen pro X efb and continued flight safely to ZZZ. Do not use charts plus efb as it always crashes and is extremely unstable. Not safe for any operations or phase of flight.

Original NASA ASRS Text

Title: Air carrier First Officer reported concerns regarding Chart plus software.

Narrative: Charts plus EFB [has] constant crashing of software with new update. [Unable] to use. Reverted back to Jeppesen Pro X EFB and continued flight safely to ZZZ. Do not use CHARTS plus EFB as it always crashes and is extremely unstable. NOT SAFE for ANY operations or phase of flight.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.