Best Apps For Galaxy S21

The Samsung Galaxy S21 is one of the best phones on the market, so it’s no wonder you’re wondering what apps are going to keep your phone running at its peak performance. Whether you want to keep an eye on your battery life or just try out a new game, there’s always something that will help your phone run like a well-oiled machine.

If you’re not sure what apps to download, then don’t worry. We’ve done some research and we’ve come up with a list of the top 5 apps for your Samsung Galaxy S21. If you want to learn more about them, then click here to read our article about each app!

Top 6 Best Screen Protectors For Samsung Galaxy S21 Ultra - Updated  December 2021

Best Apps For Galaxy S21

Infinite Painter
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The S Pen has long been the gold standard to which active styluses are held, and using it with the S range is great. The last S Pen I used was the old Note 10.1 tablet, and Samsung has made a lot of improvements since 2012. Despite lacking Bluetooth, this is the nicest stylus I’ve used, including the Apple Pencil I have with my iPad.

Sadly, the stylus-supporting app ecosystem isn’t as vast on Android as it is on iOS. The best app I’ve used on Android so far is Infinite Painter. Sure, it doesn’t have as many features as something like SketchBook, but its simple interface and reliability more than make up for it.

Infinite Painter
Developer: Infinite Studio LLC
Price: Free

If you want a more streamlined and simple drawing experience, Samsung’s PENUP is a good choice. It only has a small selection of tools and templates, but it works well and has a nice coloring mode with plenty of images to choose from. PENUP is available through the Galaxy Store and APK Mirror.

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Left: Air command options, Right: custom pointers

Finishing off the S Pen selection, we have the Good Lock module Pentastic. This app allows you to change Air Command’s style, create your own pointer, and change the sound effects when using the stylus. The first thing I did was change Air Command to circle, which has incredibly satisfying animations. Pentastic is available through the Galaxy Store and APK Mirror.

Hex Installer
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Hex Installer has been around for a while now and offers a plethora of customization options for your device. This app allows you to create your own theme for One UI, and it does so using Samsung’s built-in theme app, so no root is required. You can create separate themes for light and dark mode, theme third-party apps, and install different plugins. The plugins alter parts of the UI in specific ways. One mimics stock Android, for example. Another replicates MIUI and others offer user-made experiences.

Hex Installer – Themes for OneUI
Developer: SatySatsZB & envy_
Price: 1.99
Energy Ring

Energy Ring places a ring around the punch-hole selfie camera that indicates battery level in a fun and imaginative way. You can adjust the thickness, colors, and animations until everything is set up exactly how you like it. It’s been around for a few years now, and it’s still one of the first things I install when setting up a new phone.

One of my main complaints with Energy Ring was the insistence to release a separate version of the app for different devices, each with a paid version. Thankfully, this was recently rectified with the Universal Edition. Now one version of the app is all you need, with all of the same options and benefits from before.

Energy Ring – Universal Edition!
Developer: IJP
Price: Free
AOD Notify
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With the rise of always-on displays, LED notification lights have been on the decline. Thankfully, AOD Notify can replicate its functionality using the always-on display. It can flash the notification indicator around the camera cutout, like Energy Ring, fill the screen’s sides like Samsung’s Edge Lighting, or show a dot in the corner of the screen. It might not be as attention-grabbing as a bright LED, but it’s a neat trick that can scratch that nostalgic itch.

Best free apps for s21 ultra

Niagara Launcher
Niagara Launcher

(Image credit: Niagara Launcher)
If you’re looking for a fresh new way to experience your Android phone’s home screen, then look no further than Niagara Launcher. It shirks the traditional app drawer paradigm, instead opting for a minimalist group of favorites with an alphabetical list as the app drawer replacement. The end result is clean look with intuitive gestures for navigation.

Of course, you can pay a small fee to unlock the full experience, but the core part of Niagara is free. It’s my go-to launcher now and it won our Best Android App award for this year. It’s definitely worth checking out.

Download Niagara Launcher

Moon+ Reader
best free android apps: moon plus reader

(Image credit: Moon+)
Outside of the Amazon Kindle and Barnes & Noble Nook apps, the absolute best ebook reader on Android is Moon+ Reader. It is a fantastic app and I can’t say that enough. As someone who runs a Calibre ebook server at home with hundreds of ebooks (obtained mostly through Humble Bundle), Moon+ Reader is my choice for reading any one of those books on my phone.

Simply put, Moon+ Reader can handle any format, like EPUB and MOBI. There are a ton of ways to customize it to your liking, like line spacing, font scale, themes, and much, much more. It has a great and easy-to-use bookshelf and you can connect a lot of online libraries. Like I said, if you’re running Calibre in your home, this is the app for you.


While you may be locked to Kindle or Nook for your ebooks, Moon+ Reader gives you the option for your DRM-free books.

Download: Moon+ Reader

best free android apps: Notion

(Image credit: Notion Labs)
Notion aims to be your personal and team productivity hub, allowing users to create custom private or shared workspaces. From there, you add versatile “blocks” that can act like text snippets, bookmarks, images, toggle links, files, code snippets, discussion sections, and more.

This approach means you easily customize your workspace, and you can still drag and drop individual blocks of content to where you need them without disrupting an entire document. Whether you’re taking notes, crunching spreadsheets, or building a Kanban board, Notion’s powerful building blocks make things a snap to set up.

The free version of Notion allows you to save and sync up to 1,000 blocks of content, while premium subscription plans remove that content limit and add admin tools, permission settings, and other features.

Download: Notion

best free Android apps: Recorder

(Image credit: Tom’s Guide)

When the Pixel 4 debuted in 2019, one of the best things to come with it was Google’s Recorder app. Recorder not only filled one of the big missing gaps on Pixel phones — which previously didn’t feature a built-in voice recorder — but did it in style. Recorder could transcribe your recordings in real-time, even as you were speaking. And all that transcription work was done locally, without sharing your recordings to the cloud.

Recorder was so good, Google hasn’t restricted it to just the Pixel 4 and Pixel 4 XL. The app is available to all Pixel phones, and updates have added editing features introduced with the Pixel 5. Even if you carry around a different Android phone in your pocket, there’s a workaround to install Recorder on your Android device. You’ll need to be running either Android 9 or Android 10, and some features may not be supported on all phones, but it’s still a great way to experience one of the best free Android apps we’ve ever seen.

Download: Recorder for Pixel

Best free Android Apps: Canva

(Image credit: Canva)
A past Google Play Awards winner, Canva is a quick, user-friendly photo editing app that’s designed with social media use in mind.

The app comes with a variety of ready to use templates, filters, fonts, and other tools that you can apply to images in your device’s gallery or in Canva’s selection of free and premium images, which you can then easily share to your favorite social network or media platform. You can use Canva to quickly set up a cover photo or account avatar for Facebook or create crisp and clean Instagram stories, Twitter banners or the perfect Youtube thumbnails.

There’s a wealth of free material and templates you can work with, as well as a selection of premium templates, images, and more that you can access with in-app purchases.


Download: Canva

PicsArt Photo Editor
best free Android apps: PicsArt Photo Editor

(Image credit: PicsArt)
If you want one of the best free Android apps that’s better geared toward proper photo editing, consider PicsArt Photo Editor, another past Google Play Awards winner (from when the app was known as PicsArt Photo Studio.)

PicsArt puts a ton of editing tools straight to the palm of your hand, from standard editing tools that stretch, distort, and crop images, to filters, beautifying tools, cutout tools, collage makers, double-exposure mixing tools, masking selections, drawing tools, and more. In short, it’s a collection of tools that’s useful for everything from cleaning up quick snapshots to making a share-worthy social media piece.

While you already get a good selection of features for free, a PicsArt Gold premium subscription provides a wider array of tools along with more filters and fonts and video editing; the subscription also removes ads.

Download: PicsArt Photo Editor

best free android apps whisk

(Image credit:

Whisk can bring order to your kitchen and meal planning without costing you a dime. The recipe organizer lets you pull recipes from the web or other cooking apps, adjusting ingredients and serving sizes to your specification. Then, just one button converts that recipe into a shopping list that you can use for in-store or online grocery shopping.

In addition to recipe management and grocery shopping features, Whisk also boasts a community of home cooks who can share recipes that inspire you to try new meals. And a meal planning feature lets you plot out what you’ll be serving all week long. That’s a lot of features to pack into one of the best free Android apps we’ve seen.

Download: Whisk

best free Android apps: Woebot

(Image credit: Woebot Labs)
Woebot channels chatbot technology for good, building on proven principles and techniques of cognitive behavioral therapy (CBT), mindfulness, and dialectical behavior therapy to help with emotional self-care and help you process difficult emotions and life events.

Don’t confuse Woebot with a good — and human — therapist. Instead, the app aims to help you self-assess your state of mind, checking in with you regularly and helping you practice mindfulness exercises to try to help center yourself and improve your mental and emotional well-being.

Download: Woebot


best free Android apps: Transit

(Image credit: Transit App)
Because Transit is a fantastic aid to your commute, it earns a spot on any list of the best free Android apps. Transit helps you plan out the fastest public transport routes to your destination.

The app provides routes that combine numerous transportation methods — such as trains, buses, and bike sharing — while also factoring in short walks to each stop and wait times. Transit can provide real-time data on arrival times of your bus or train, compare routes, step-by-step navigation, and notifications for service line disruptions. You can even book an Uber or reserve a car2go from within the app if public transport has failed you.

Download: Transit

Google Home
best free android apps: Google Home

(Image credit: Google)

Initially designed as a hub app for Google’s Chromecast device, Google Home has since grown into a handy smart appliance command center, offering compatibility with devices like the Google Home smart speaker, as well as smart lights, internet-connected thermostats, home security devices, smart plugs, and more. (We’ve got a complete look at the best Google Home-compatible devices.)

Rather than having to continually shuffle between dozens of device-specific apps, you can turn the Google Home app into an all-in-one command center and a true central hub for your smart home.

Download: Google Home

Adobe Acrobat Reader
Best free Android Apps: Adobe Acrobat Reader

(Image credit: Adobe)
While your Android phone probably has some support for the basics of opening and viewing PDF files, if you want anything more capable, you’ll want a dedicated PDF reader app, such as Adobe Acrobat Reader.

The mobile version of Acrobat Reader is a capable reader, with configurable view modes, support for page search, cloud storage, bookmarks and tables of contents. It also includes annotation features for your marginal notes, comments, and even digital signatures. (You can also check out our picks for the best free PDF editors if you need to make more substantive changes.) In-app purchases and subscriptions unlock professional and productivity-oriented features.

Download: Adobe Acrobat Reader

Microsoft To Do
best free Android apps: Microsoft To-Do

(Image credit: Microsoft)

Born from Microsoft’s acquisition of Wunderlist, Microsoft To Do is a smart, no-nonsense to-do list app that presents a sleek and distraction-free interface, while intelligently suggesting tasks based on long-term patterns, upcoming deadlines, or stuff that you weren’t able to see to in the past days.

Users can keep task descriptions simple, or add detailed descriptions, color codes, categories, and more. While the app is free, cross-platform, and works perfectly fine on its own, it also plays well with the rest of Microsoft’s Office 365 suite of productivity tools.

Download: Microsoft To Do

JetAudio HD Music Player
best free android apps: JetAudio

(Image credit: Team Jet)
If you want to amp up the music player on your Android device, give JetAudio HD Music Player a try. The free version of the app features a 10-band graphics equalizer and a number of playback features including crossfading, playback control, and automatic gain control.

JetAudio supports a wide variety of formats including .wav, .mp3, .ogg, .flac, .m4a, .mpc, .tta, .wv, .ape, .mod, .spx, .opus, and .wma (though that last one depends on your device).

For even more features, including a 20-band graphic equalizer, and to ditch the ads that come in the free version, you can upgrade to JetAudio HD Music Player Plus for $3.99, though the free app offers enough features for most users. In fact, this free version isn’t just one of the best Android apps, it’s also one of the best Android music players available.

Download: JetAudio HD Music Player

Adobe Photoshop Sketch

best free Android apps: Adobe Photoshop Sketch

(Image credit: Adobe)
Adobe Photoshop Sketch is a free app that provides users with a set of expressive drawing tools. Users can choose from utilities that mimic a graphite pencil, ink pen or marker. The app supports a variety of Bluetooth styluses on the market such as those by Wacom and Adonit.

Sketch aims to replicate the analog drawing experience, augmented with a few digital flourishes such as a color picker and an undo history and is best suited for phones with bigger displays.

Users can import assets from other Creative Cloud tools such as custom brushes and colors, and your creations can also be exported into Creative Cloud as layered PSDs to Photoshop, or to Illustrator.

Download: Adobe Photoshop Sketch

Nova Launcher
best free android apps: Nova Launcher

(Image credit: TeslaCoil Software)

Tired of your stock launcher, looking to optimize your home screen performance, or just looking to customize your device’s UI? Nova Launcher is among the best Android launchers, offering loads of cosmetic and utility customizations with minimal performance overhead, letting you set your home screen just right without slowing down your phone.

There are a lot of options to work through, from color themes to icon packs, scrollable docks to app drawer customizations, folder settings and infinite scrolling. The Nova team is never content to rest on its laurels, continuously adding new features, such as Sesame Shortcuts, animations, new adaptive icon shapes and other improvements geared toward recent Android versions.

While many customizations are available in this best free Android app, others such as gesture controls are gated behind the premium version.

Download: Nova Launcher

best free android apps: strava

(Image credit: Strava)
In addition to being a top-notch running and cycling tracker — we think it’s the best running app you can download — Strava adds gamified features to give the usual run-tracking recipe a competitive edge, whether you’re monitoring your runs, bike rides, or swims.

The app records your running speed, distance traveled, time and course taken, but also combines it with leaderboards, achievements and challenges. Strava supports a variety of running trackers, in addition to Wear OS and Apple Watch.

A premium subscription improves on the formula with filtered leaderboards, the ability to create exercise goals and view more detailed analytics and more. But the free version is enough for basic tracking.

Download: Strava


best free android apps: Castbox

(Image credit:
Podcasting platform Castbox combines a clean and navigable interface, a good selection of podcasts, and powerful podcast audio searching to deliver an excellent mobile podcatcher and one of the best free Android apps.

Users can sign in with Gmail, Facebook, or Twitter, and then search and subscribe to podcasts, download episodes for offline listening and sync their subscriptions across multiple devices. You can stream podcasts through Chromecast or Amazon Echo.

A premium tier of Castbox removes subscription limits, allows for homepage customization, and puts you on priority for customer support and new features.


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