Ten Most Popular Apps for 2021

Within the digital market, mobile applications continue to rise in value and popularity for various smartphone, tablet, and smartwatch users. Beyond the typical features included on up-to-date smartphones, users rely on their downloaded mobile apps to assist them in improving their current lifestyles, finances, entertainment, productivity, and more. Businesses may also use mobile applications to mitigate particular processes while increasing productivity on mobile devices. Due to the design and functionality of specific mobile applications, individuals and organizations will usually interact with one of the ten most popular apps for 2021. 

Mobile applications may rise to popularity for numerous different reasons. For instance, there may be a trending and highly engaging game that captures the attention of an unusually large audience or app that is used on a routine and regular basis, it is therefore displayed on the common searches of app distribution stores. From a business perspective, there are other mobile applications, like social media, that may be used for uploading content or promoting offers to consumers, which will bring the popularity of the app above similar alternatives. 

Regardless of the mobile application type or enterprise-scale, businesses seeking to provide their clients and target audiences with the next popular mobile application may work with a mobile app development agency, such as https://sunlightmedia.org/services/mobile-app-development/, for assistance on custom mobile apps to increase brand value. 

Common Characteristics of Popular Mobile Applications

Rarely do mobile applications on the leading pages of app distribution stores include errors such as slow rendering times, page time-outs, layout, and design issues, and difficult interaction and navigation tools. For this reason, popular mobile applications on iOS and Android app stores show various useful information to the end-user before users download the app. 

Ideally, customers and clients will trust the mobile application if there are reviews and ratings for the mobile app. Additionally, users will engage with mobile applications more if the design is clean and easy to use. Lastly, mobile device users will retain the mobile application on their devices if the functionality, responsiveness, and user experiences perform to the industry’s standards. Prior to deciding which mobile application will serve you best in 2021, it is advised to review which mobile apps for a small business to install now

Ten Most Popular Apps for 2021


The Amazon mobile application serves as a popular eCommerce platform for both businesses and consumers. The mobile application is navigation and user-friendly with numerous in-app features that enable users to compare numerous products from multiple vendors to purchase items at affordable prices. Amazon’s business accounts offer companies the opportunity to distribute their brand products on a global or local scale to boost productivity, revenue, and client satisfaction. 


As a social media mobile application available for both iOS and Android devices, Facebook continues to grow in popularity due to its simplistic design, social sharing and streaming capabilities, online marketplace, messenger systems, business page development, and more. 

There are numerous features available for the benefit of both end-user and business which makes Facebook a popular app within the mobile marketplace. Facebook also appears higher than other listings on search engines, which results in more users interacting and downloading with the mobile application.

Google Analytics App

The Google Analytics App is an essential tool for most businesses with online products and services. The mobile program is compatible with various other technologies and provides companies with important data, analytics, and insights that assist with boosting business productivity, revenue, and brand value. 

Google Analytics is easy-to-use and may track various company-associated platforms to improve existing strategies. Within the mobile application, businesses manage their promotions and optimize their account details for raising Search Engine Optimization (SEO) and receiving important alerts to keep systems up-to-date. 


Instagram has been recognized as one of the most popular apps that have been downloaded the most on app distribution platforms. With various photo filters, video editing, content posting, reel uploads, and album highlights, Instagram offers smartphone users the ability to view content on a user-friendly, responsive, and global search platform. 

Businesses may use the Instagram business account for upselling brand products and services. Also, Instagram has in-app advertising to attract more target audiences to specific profiles while offering useful features such as the function to post content across various social media platforms.


Siri is one of the leading apps that feature Artificial Intelligence (AI). This automated virtual assistant recognizes users’ voice tone, facial expressions, and specific behaviors and patterns to provide users a personalized user experience when operating mobile devices. Siri is built into most iOS devices and shares similar features and functions to other Artificial Intelligence systems such as Alexa, Cortana, and Google Assistant. 

For these reasons, many users rely on Siri to assist with searching for specific products or services and are used quite frequently by end-users multiple times throughout a single day. Lastly, companies may track user interactions with Siri and other AI systems to improve existing applications and promote more relevant brand products and services to interested target audiences.  


From its origins, TikTok has gained popularity from individuals lip-syncing to trending tunes. From an entertainment perspective, more users will contribute more content to the social media platform for the experience of attracting more views and shares. 

Over time, TikTok became another social media platform that may be used for other forms of media and serve as an effective platform for in-app advertising. Due to the design, competing social media channels began integrating similar features as TikTok and expanded functions to reels. 


Venmo is considered one of the most popular mobile applications for sending or transferring money. Along with account and banking setup, Venmo offers management of payment systems on record, along with multiple payment currencies, and purchase protection transactions. Venmo saves users and businesses more time allocating funds to various recipients and creating business accounts for more expansive business opportunities. 


WhatsApp has shown a rise in users due to the international availability of mobile applications and communication features. As an alternative to texting or calling, WhatsApps makes communicating with other users easier and less costly than traditionally contacting others internationally. WhatsApp is easy to operate and set up and is compatible with iOS, Android, and Windows systems. 


Youtube makes streaming, watching, and listening to video media quickly and easily. Within the mobile application, there are numerous technologies for keeping users engaged with the site, along with video manager management functions, and business advertising configurations. In detail, Youtube provides video recommendations on users’ preferences during scenarios where app users view specific videos. 

These algorithms and additional features offer more value for end-users due to the app’s ability to personalize video feeds and then manage personal playlists. Additionally, businesses may find that Youtube is great for posting content that customers and clients can keep up-to-date with without having to visit brands’ webpages. 


In 2020, Zoom was identified as one of the most popular mobile applications available on the market. Zoom continues to provide exceptional use in 2021 with applications for social video calls, business virtual conferences, online educational classes, and streaming seminars. 

Within the program, there are numerous functions such as recording options, screen sharing, menu items, video, and audio configurations, hosting shares, and more. Above all, Zoom is user-friendly and is free, which makes the mobile application immensely popular within the mobile app markets. There are also many alternatives to Zoom.

What to Expect for 2022 Mobile Applications

Without a doubt, the mobile application industry will continue to grow technologically in 2022. Presently, there are more appearances of mobile applications with specific features such as predictive algorithm based models, touchless user interfaces (UI), compatibility for various wearable and mobile devices, Artificial Intelligence (AI), Augmented Reality (AR), 5G networking technology, Blockchain integration, and more. 

 These systems that support mobile devices and applications allow users and businesses to automate various aspects of their lifestyles or operations to focus attention on other priorities and the development of advanced solutions and strategies. Most likely, the designs of mobile applications may include specific formats suited for adapting to new trends or technologies.


In conclusion, the ten most popular apps for 2021 offer functional use for everyday mobile device users and businesses while implementing advanced technologies and systems predicted to trend in 2022. These particular mobile applications enable users to improve their lifestyle and productivity with eCommerce, entertainment, social networking, communications, financial transfers, insights on associated products and services, and virtual assistance mobile applications. Finally, these mobile applications are designed to be user-friendly, responsive, and have authentic value to end-users. 


Jhonathon Badalof works at Sunlight Media LLC in Downtown Los Angeles, California. As a Project Manager, Jhon collaborates with clients on website and app design and development, marketing, and creative solutions for campaigns. In addition to Project Management, Jhon is a content writer who writes articles that rank well on Google and other social media platforms. His skill sets include social media marketing, eCommerce, brand development, programming, web design, and graphic design.