Here are five secure password manager apps to help you manage hard-to-remember passwords:

1. LastPass: Popular choice with comprehensive features, including a free basic plan and advanced security options in paid plans. Available on Android, iOS, Windows, and macOS.

2. Password: User-friendly interface and local data encryption. Offers free trials and advanced features in paid plans. Available on Android, iOS, Windows, and macOS.

3. Bitwarden: Open-source option prioritizing transparency and security. Offers a generous free plan and affordable paid options. Available on Android, iOS, Windows, macOS, and Linux.

4. Dashlane: Secure storage with identity theft protection and VPN services. Free trials available, and paid plans offer different tiers of protection. Available on Android, iOS, Windows, and macOS.

5. KeePass: Free, open-source software with advanced customization and powerful features. Requires more technical knowledge for setup. Available on Windows, macOS, and Linux.