Apparently it's only on Android. But if you have Android: https://play.google.com/store/apps/details?id=com.rubenmayayo.reddit
If you don't, I found this Reddit thread talking about equivalent apps for IPhones: https://www.reddit.com/r/ios/comments/juu3bc/is_there_an_ios_reddit_app_that_is_on_par_with/