Hello, ezra295! Thank you for using the Apple Support Communities. We understand your situation and how you have been unable to install this app to your iPhone. We’re happy to help you research a solution for this.
There are several troubleshooting steps that we’d suggest starting with if you’re noticing an issue when downloading from the App Store. Please review the steps in the following Apple Support article first:
If you can’t download or update apps on your iPhone or iPad - Apple Support
If you continue to notice the same issue after using these troubleshooting steps, we can help you more. To continue, we’d like to be sure that you have a current backup of your device. Once you have a backup of your iPhone, we’d suggest installing any available iOS updates. The following article can help you with these steps:
Update your iPhone, iPad, or iPod touch - Apple Support
We hope that this information allows you to install this app again. Please let us know if you continue to notice any issues.
Cheers!