APP CRASHING ON IPAD MINI 2

Ensure that you have updated your iPad mini2 to the most recent version supported by your iPad; for the iPad mini2, this is iOS 12.5.5.

If your iPad has already been updated to this version, try a forced-restart of your iPad - as doing so will often clear isolated software issues:

• On an iPad with a Home button: Press and hold the top button and the Home button at the same time. When the Apple logo appears, release both buttons.
• On other iPad models: Press and quickly release the volume up button, press and quickly release the volume down button, then press and hold the top button. When the Apple logo appears, release the button.

iPad2, iPad3 and iPad mini1 can only be updated to iOS 9.3.5 (WiFi Only models) or iOS 9.3.6 (WiFi & Cellular models). You clearly have one of these three models.

Not sure which iPad you have? Identify your iPad model.

Apple ended update support for these models in September 2016. Your iPad cannot be updated to iOS 10 or later major versions of iOS, as the internal hardware does not meet the minimum technical requirements for new versions of iOS/iPadOS. This limitation cannot be bypassed; these are 32-bit architecture devices, whilst all recent versions of iOS/iPadOS are designed for 64-bit hardware platforms. iPad2, iPad3 and iPad mini1 are obsolete.

You may need to consider that compatible Apps for your iPad are increasingly difficult to find - as most developers have dropped all support for 32-bit devices and iOS versions preceding iOS11/12/13. As older versions of Apps are removed from the Apple App Store, you’ll not be able to (re)download or install them - which may severely limit the usefulness and utility of your iPad. As such, if you want or need to access most current Apps, requiring more recent versions of iOS, you’ll need to consider replacement of your iPad with a newer or current model.

Of current models, even the entry-level iPad9 has specifications and capabilities that will massively outperform you current iPad - and is compatible with the vast majority of current Apps. Other models are more powerful still.

As to your Apps crashing, perhaps your iPad battery, being so old, has reached the end it of usable life - and is now unable to provide sufficient power for stable operation of the iPad.