Many important notes need to be reminded, not just laying in your notebook. If you think so, the following note app Alert Notes should be able to meet your requirements.
Alert Notes is a practical note app developed by Purkee, and designed for iPhone and iPod touch. The iPhone app has a simple and intuitive user interface, just tapping the “+” button in the lower right corner you can quickly add new notes, and every note allows you to set alert along with repeat and alert sound options in order to remind you of those important notes, moreover, the note app can detect emails, phone numbers, street addresses, URLs, names and initials from your contacts, and supports both portrait and landscape viewing modes.
Alert Notes with a size of 2.8 MB is compatible with iPhone (optimized for iPhone 5), iPod touch and iPad running iOS 5.1 or later. The iPhone app is free for a limited time at present. If you’re interested, jump to App Store for more details.