Easy Pill Reminder is an app designed to remind you of time to take pills whether it's your nutrition supplements or vitamins, or your birth control pill, it has all the scenarios you need and can fit any prescription. you can schedule based on:
Fixed Pace: Great for pill you need to take every fixed period of time for ex. every 8 hours, also good for medicines that you need to take for ex. every 2 or 3 days (48, 72 hours option)

Daily: This is the most flexible and popular, you choose certain hours daily and you get reminded at each, (great choice when you don't want to literally follow the prescription and stay late till 2am just to take the pill, so you can schedule it before you sleep for ex. at 11pm)

Weekly: for medications that have long time between servings you can pick which days and at what time to get reminded/

Monthly: this one also for medications with long time between servings, you can also schedule it on a monthly basis using this option

The app also has some grate features like taking picture of the med in addition to ability to skip all except picking the time (if you don't have time). Easy to use with large fonts and straight forward UI that is simple and easy to use.