Horrible Online Experience

Here are the corrected sentences:

1. Bidvest Bank's online experience feels outdated, reminiscent of the early 2000s. They haven't improved their banking app; even when I reviewed it on the Apple Store, the app was poor and didn't function properly. Each time you attempt to log in, it prompts you to register anew. 2. Their website, when accessed via mobile phone, lacks optimization and performs poorly. It seems like they've abandoned the project altogether. 3. Additionally, despite the availability of modern technology like PayShap, the bank still doesn't offer immediate payment integration. 4. Despite reporting these issues on Twitter, they promised to call but never did. I'm exhausted with this bank and plan to close my account.