A more detailed description, using numbered steps
1. First I searched for Spotify in the App Store
2. Then I found spotify and clicked the "Get" button
3. Then I clicked the "Install" button
4. Then the "Get" button re-appeared
5. Then I clicked the "Get" button again
6. Then I cliked the "Install" button again
7. Then the "Get" button re-appeared
8. Then I clicked the "Get" button again
9. Then I clicked the "Install" button again
10. Etc
11. Then I re-started my phone and tried again, same issue
12. Then I updated my phone to the latest iOS operating system and tried again, same issue

What I expected to happen
I expected the Spotify app to install on my phone

What actually happened
The Spotify app would not install on my phone

My iPad/iPhone model
iPhone 5S

Device’s Operating System
8.2

Is your device jailbroken?
No

Approximately how many playlists do you have?
Does this really affect whether the app will install on my phone??

My mobile Spotify version
I don't know, it won't install.

My desktop Spotify version (if applicable)
Does this really affect whether the app will install on my phone??

My provider and country
Verizon, United States

My username
Isn't my username affiliated with this post?

Do you have any screenshots you can attach to more clearly explain your issue?
No.