Do I have to use the app? February 15, 2022 15:08 Updated Yes. The only way to apply for Flex and stay on track with payments is through the app. Related articles What is an online rent portal? Where do I sign up for Flex? I’m not sure if I completed signing up, how do I know? I get an error when I enter my rent portal credentials, what should I do? I wasn’t approved for Flex, now what? Comments 10 comments Sort by Date Votes Sara Duran February 06, 2021 02:32 I dont think I need this. Thought it was like rent a center. Sorry 1 Comment actions Permalink Carlos Quintero April 10, 2022 05:48 The flex app is not compatible with my device and I need to be able to access my account at any given time. Please assist me with this situation. Thank you, 0 Comment actions Permalink Sierra Samuels April 28, 2022 20:35 Hello 0 Comment actions Permalink Raquel Taylor June 20, 2022 23:56 The app is not functioning properly. I have been using Flex almost 3 years now. But I now have a new phone and number so I needed to update. I downloaded app and it’s only instructing me to start a new account. I am unable to log in as an existing member. I need help asap. My last payment for the month is due now! Please assist! 2 Comment actions Permalink Jerome Brooks July 29, 2022 19:42 This app is not working on my iPhone 11. Blank page comes at sign in 5 Comment actions Permalink Soraya Miller July 30, 2022 11:39 Same as Jerome but I have an iphone13 and it’s says error after entering phone number 0 Comment actions Permalink Savannah Aguilar July 30, 2022 18:00 The app just shows a blank page on my iPhone. I get An error saying “Whoops! We couldn’t send a message to this phone number. Please try again by entering a valid phone number.” -this is my only phone number. Please help, I am unable to login to my account. 0 Comment actions Permalink Analyn Molina July 30, 2022 18:28 Same as savannah. Please help 0 Comment actions Permalink Luis Garcia July 30, 2022 19:42 Can’t sign in, blank page with an error. Not the only one with this issue. Please fix it soon, we need to access for this coming rent. 0 Comment actions Permalink Savannah Aguilar July 30, 2022 20:27 I had to uninstall the app, then it worked to send a code to my phone. I was able to login. 0 Comment actions Permalink Please sign in to leave a comment.