The 12 Best Reminder Apps for iPhone and Android Users (2024)

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What was that thing you had to do again?

In today’s fast-paced world, you’re constantly busy. If you don’t have career projects to worry about, then there are a million tasks battling for your attention in your personal life. 

You’ve got those emails to send, that important call to set up – not to mention that online course to complete. It’s easy to get overwhelmed. 

Unless you’ve got an incredible memory, there’s a good chance something is going to end up forgotten.

Wouldn’t be easier if you could have a handy little assistant to keep you on track all day?

Well, good news – there’s a reminder app for that. 

What Is a Reminder App?

Reminder apps are tools for your smartphones that remind you of what you need to do. 

These apps sometimes integrate with your calendar or send notifications to your phone when you’re about to reach a deadline. 

Although different apps have their own unique features, the fundamental purpose is the same – they’re there to keep you from forgetting about important things. 

Reminder apps help you organize your to-do-list into something more manageable. There are even tools out there that allow you to list tasks according to their priority, so you know which things to focus on first. 

Not only do reminder apps keep you on track throughout a busy day – but they also do great things for your brain and productivity levels. You can focus on giving one task at a time your full attention, safe in the knowledge that you’ll know exactly what you need to do next. 

Plus, you don’t have to deal with the stress of racking your brain at the end of each day to figure out what you might have forgotten. 

Personally, our schedule would fall apart without reminders to get us through each day. That’s why we’ve created a handy list of must-have reminder apps. 

What Is the Best Reminder App? Free Options

Don’t have a lot of cash to splash on apps? No problem. These reminder apps are 100% free to use.

1. Remember the Milk

Available on iOS and Android | Free

best reminder apps

Speaking of remembering the milk, this handy app for Android and iOS keeps you on track and boosts your productivity by getting that list of to-dos out of your head. The minimalistic app is easy to use, and you can decide how you get reminders. 

Notifications are available via mobile, email, text, IM, and Twitter. Plus, you can sync your account across any device you use, including your desktop PC. Having reminders pop up everywhere ensures that you never miss out on important tasks.  

Another particularly handy feature? Remember the Milk lets you share “to do” lists and tasks with other people to get things done faster.

2. Microsoft To Do

Available on iOS and Android | Free

reminder apps for smartphone

To Do is the convenient reminder app for anyone who’s comfortable with the Microsoft productivity suite. 

You can create lists for what you need to remember and use To Do’s smart suggestion feature to learn your habits. This means you get suggestions for things you might need to do in the future too. 

The app is easy to use, with a bunch of great features, like detailed notes and sub-task options. You can even prioritize things with colors and due dates, so you know what’s most important. 

3. Google Keep

Available on iOS and Android | Free

Google Keep notes and list

If you’re a fan of Google’s productivity tools, like Sheets or Docs, for instance, then you’ll feel right at home on Google Keep. Part of the Google suite of handy tools, this all-in-one app makes it easy to create to do lists and notes. 

When you’re creating reminders, you can even make them location-based and switch on geolocation information, so you get a reminder when you visit a specific place. You can also opt for the standard time-based reminders. 

Share your lists and notes with other people for delegation and sync your to-do list with your Google Account for an extra productivity boost.

4. Twobird

Available on iOS and Android | Free

Twobird app for brain

Twobird is basically an email app, but it’s equipped with features to help you organize your schedule and remember important tasks.

The app connects your calendar, notes, and reminders to your inbox, so you don’t need to switch apps to keep track. You can set a reminder on any email or note and schedule it to appear later in your inbox. 

There’s also a built-in calendar to help you stay on track. You can go through day’s and week’s events at a glance and attach a note to any of them to add more context (so that you remember the agenda).

5. Apple Reminders

Available on iOS only | Free

Apple reminders increase productivity

Why bother finding a separate reminder app for iPhone if your device already comes with one? 

Packaged into iOS 13 or later and iPadOS, the Reminders app makes it quick and simple to track and manage your day. 

The app syncs with your iCloud to keep reminders synced across all Apple devices. You just need to sign in with your Apple ID to get started.

You can flag reminders as extra important, add locations to remind you of tasks when you visit a specific location, and add attachments. There’s even an “assignment” button to send tasks to other people on your contact list. 

There’s options to create lists, set due dates, and even send reminders straight to your Apple Watch. 

6. Pi Reminder

Available on Android only | Free

Pi Reminders Android

One of the best reminder apps for Android users, Pi Reminder makes it easy to keep track of important things in your schedule. 

Brought to you by PiApps, the recurring reminder app can help you to track your tasks for days or weeks at a time. You can even customize the user interface to make it feel more comfortable for you. 

There are tons of ways to personalize your task reminder app, including adding unique songs and notifications for work and personal reminders. You can also assign tasks according to their priority and sync your reminders across all devices. 

When it comes to choosing a reminder app, Android users have a great time with Pi. You can even access voice commands. 

The Best Paid Reminder Apps 

If you’re willing to pay a little more for better productivity, there are some great premium apps available too. 

Some of these apps require you to pay before you can install them on your device, while others offer in-app purchases that let you access the good stuff. 

Either way, you have to spend some money to take advantage of their features.

Here are the apps:


Available on iOS only | $2.99

Carrot To-Do iPhone reminders

Currently only available for Apple users, CARROT is a slightly unconventional reminder app.  

CARROT has no problem being hard on you and giving you an extra nudge if you’re not sticking to your schedule. 

If you have a problem with procrastination, it will get you back in efficiency mode. The app chastises you when you haven’t checked off tasks within a certain time. 

You also get rewarded when you do meet your goals. Rewards include mini-games for your phones, upgrades, and even a digital kitten. 

8. Premium

Available on iOS and Android | $6.58, in-app purchase

Any.Do Reminders is an all-in-one work reminder app that promises to help you organize your schedule, and your life. You get a bunch of handy features in its premium version, including a calendar, to-do list, memos section, planner, and reminders app, complete with alerts. 

There’s also a geolocation feature that can send reminders based on location, like telling you to pick up milk when you go past your local store. Plus, a recent update to the app has added the ability to get reminders in WhatsApp.

With more than 30 million users worldwide, is a tried and tested tool for improving productivity, pronto. You can even use the app with your Apple Watch. 

9. Todoist Premium

Available on iOS and Android | $3.99, in-app purchase

reminder apps for android and iphone

Intended for people who need help managing their schedule, Todoist lets you create reminders and tasks with just your voice through the “Quick Add” function. You can link tasks to due dates and even delegate jobs to other people on your team.

The cool thing about Todoist is how intelligent it is. As you continue completing tasks and setting things up, the app will learn about you and how your business works. It can suggest recurring tasks that you need to keep in mind. You can also choose how you prioritize tasks on your list. 

Todoist has a free version for beginners, but the premium option makes it much easier to organize your entire team, not just your own schedule. Plus, you get insights into productivity trends to help you be more efficient. 

10. Things 3

Available on iOS only | $9.99

Things 3 best iPhone app for reminders

Things 3 is an award-winning app for a reason. The stylish but simple app comes with an intuitive interface that’s great for busy professionals. You can organize reminders into categories, like “work” and “personal”. 

There’s an option to create distinct reminders for different projects, and you can add audio, images, video, and notes to each alert you send to yourself. 

Moreover, the app allows you to set project deadlines, find information via quick search, and use gesture-based controls to organize tasks in less time. Own an Apple Watch? Things 3 now runs Shortcuts on that device. This means you can get Things 3 to remind you about to-dos with one tap.

11. Capsicum 

Available on iOS only | $1.99, in-app purchase

Capsicum app iPhone

One of the most interesting reminder app for iPhone options on the market, Capsicum is perfect for taking notes, setting reminders, and managing to-do lists. This tool gives you a convenient way to organize your life. 

Capsicum is super smart, with AI elements that can track the way you work and determine which tasks are most important to you. There are options to set monthly, weekly, and daily to-do lists separately, and access reports that give you a fuller picture of your productivity levels

You can also migrate incomplete tasks to other days and sync to your Apple calendar, so you never lose track of anything. 

12. Due

Available on iOS only | $6.99

Due app for setting reminders on iPhone

Due might look like your standard daily reminder app at first glance – but don’t let that fool you. This handy app will let you set the reminder you want and decide when you want to receive an alert.

Once you receive your reminder, you can “snooze” it for ten minutes, an hour, or even a full day. If you don’t let Due know that you’ve done the job, it’ll keep nagging you until you take action. 

The constant alerts and pushes are a little annoying, but they’re a great way to ensure that you don’t just swipe a reminder away and forget about it. 

Boost Your Memory with the Right Reminder App

We all forget things from time to time. Busy schedules and chaotic lives make it hard to keep track of everything on our to-do list. Fortunately, using reminder apps like the ones above can help to keep us on track.

Good reminder apps come with everything you need to handle your busy routine, from notification texts to calendar syncing features. 

Even if you can’t find the functionality you need from a free reminder app, there are tons of premium options out there that come with free trials to get you started. 

Don’t let your schedule get the best of you. A handy reminder app will get you back on the ball in no time.

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