A-Z Of Most Downloaded Apps In 2021

Avantika Bhardwaj Avantika Bhardwaj
Feb 5, 2021 8 min read
A-Z Of Most Downloaded Apps In 2021

Covid-19 has brought a great deal of troubles for all of us since March 2020. During this time, mobile phones have been the solution for the idleness and restlessness that is caused from staying indoors. The trend of downloading apps has seen a drastic change in 2021 as compared to the previous years; the most popular apps have been downloaded in our smartphones to help us get through global pandemic. The most downloaded apps on play store 2021 are:

  •  Zoom
  •  TikTok
  •  YouTube
  •  Facebook
  •  Google Meet
  •  Instagram
  •  Messenger
  •  WhatsApp
  •  Gmail
  •  Microsoft Team

The list of top 10 most downloaded apps in the world is from App Store or Google Play Store as provided by Sensor Tower.

The most downloaded apps till January 2021

It has been an edgy time for App Developers as they are pushing themselves on daily basis to improve and expand their user-base. The app market is going through a revolution with hundreds of applications being introduced every day; this behavior is evident from the world's most downloaded apps of 2021.

App development is beneficial not only for monetary purposes but also to extend the reach of a business/website to the mobile users. Billions of us throughout the globe are using smartphone devices at the moment. And the best way to create awareness among the masses is by creating a mobile app for your business.

According to a survey, the top 10 list of most downloaded apps in January 2021 was dominated by communication apps; it’s a shock that some gaming app didn't top the charts.

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Three lists were generated by Sensor Tower comprising:

  • Overall Downloads
  •  App Store Downloads
  •  Google Play Downloads
It’s been a shock that an app which faced a lot of criticism for half of the month was listed at top in the lists of Overall downloads and Google Play downloads.

Number of Apps in Each Category of all Apps Downloaded in up to January 2021

Number of Installs Number of Applications
5 billion+ 12
1 – 5 billion 30
500 million – 1 billion 57
100–500 million 350
50–100 million 510
10–50 million 4,110
5–10 million 4,800
1–5 million 26,470
500,000 – 1 million 21,795
100,000 – 500,000 88,080
50,000 – 100,000 51,585
10,000 – 50,000 83,660
Most Used Apps 2020
Most Used Apps 2021

Top 10 Most Downloaded Apps In 2021


Telegram is a free, cross platform, cloud based instant messaging software and application service with is similar to WhatsApp.  In January 2021, telegram became the most downloaded non gaming app worldwide with more than 63 million installs. The largest number of downloads were from  India at 24% followed by Indonesia at 10%. This happened because people taught that telegram was superior quality and provided more security than WhatsApp.


TikTok was the second most downloaded app in 2021. It has been one of the most installed app in the world. With over 111.9 million downloads, TikTok has seen a huge growth in 2021, twice more than what it witnessed in 2019. 20% of its total downloads were from India and around 9.3% of the total downloads were in the US.

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Signal is another cross platform  centralized  encrypted messaging service which was developed by Signal Technology Foundation and signal Messenger LLC. As of January 2021, Signal had more than 105 million total downloads and  had approximately  40 million active users using the app. Signal has been installed on more than 50 million Android devices as of now.


It is ranked fourth in the overall downloaded list. Facebook is the world’s most popular social networking application. The Facebook app is used almost everywhere for social and business communications. According to Alexa internet Facebook ranks seventh in the global internet usage.


WhatsApp is ranked fifth in overall downloads with more than 100 billion plus downloads. It is one of the most popular and widely used chat applications; WhatsApp also supports communication between international phone networks.


Instagram was at the sixth position in the most downloaded apps in all categories. This social media application has been of great help to drop shipping businesses during COVID-19. It been predicted in 2020 that Instagram will see a 5.4% increase in American users and will have a reach of 112.5 milion and 117.2 milon in 2021.


Zoom was the seventh most installed app in the overall downloads category. It ranked first in the Apple Store downloads segment and third in Google Play downloads. With nearly 94.6 million installs, Zoom is the most used app for online meetings and virtual classrooms. 17% of its downloads were in the US and India.

This exponential growth of Zoom makes a lot of sense because of the lockdowns implemented all over the world due to the COVID-19 pandemic. Offices and educational institutes were shut down and to continue working and studying from home, people relied heavily on Zoom for video conferencing and calling.

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MX Takatak

MX Takatak was launched by the MX Player in July 2020, as of 24th January 2021 app has more than 100 million downloads on play store. MX Player is an Indian video streaming and video on demand platform and has over 280 million users globally. Making MX Takatak the eighth of the most downloaded app in the world.


Snapchat is now the ninth most popular app 2021. It is a social networking cum messaging application that can be used only through a mobile app. It allows users to chat with other Snapchat users and send snaps in the form of images, videos, and emojis.


Facebook Messenger has managed to be the tenth most downloaded app overall. Facebook messenger is a American messaging app and platform developed by Facebook in 2008. Facebook is also one of the most used app in the world.

**These estimates by the Sensor Tower Store Intelligence platform include the downloads of all these apps worldwide up to January 2021. These estimates include only unique installs and do not include pre-installed Apple apps and Google apps.

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Most Downloaded Games on Google Play Store in 2021

  • Ludo King
  • Garena Free Fire: Wonderland
  • Scale
  • Perfect Cream
  • Subway Surfers
  • Garden Scapes
  • Slap Kings
  • Worm Zones.io- Voracious Snake
  • Hunter Assassin
  • Woodturning
  • Fun Race 3D
  • Mario Kart Tour

So many Android apps come out every day that it’s difficult to keep track of them all. It’s difficult to identify the best one and if you are planning to develop your own app, be sure to check out the most used apps in the world to get an idea of what actually works in the market.

 If you are planning to develop your own app, be sure to check out the most used apps in the world to get an idea of what actually works in the market.
app developer

An overview of the top five most downloaded apps 2021 in all stores and categories shows the trend that people were leaning towards during this period. Most apps have seen a dramatic surge in popularity and growth during the months when lockdown and shelter-at-home policies were implemented globally.

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Though a lot of industries had to bear the brunt of financial and economical lapses due to COVID-19, mobile apps and games developers have gained by being digital. Digital products are easily accessible and not affected much by physical restrictions when compared to lots of other services. A challenge for these apps with the end of the quarantine would be user retention.

Most Downloaded Apps 2021 - FAQs

Which is the most downloaded app in the world?

Facebook is the most downloaded application worldwide. It is the world’s most popular social networking application. The Facebook app is used almost everywhere for social and business communication.

What is the most downloaded app in 2020?

In the first month of 2020, TikTok managed to supersede WhatsApp as the most downloaded app in the world according to the data collected by SensorTower. The ban on Tiktok has removed it from the top 10 most downloaded apps in 2020. WhatsApp remains the most downloaded app on Play Store 2020.

What are the top 10 most downloaded apps 2020?

Zoom, TikTok, YouTube, Facebook, Google Meet, Instagram, Messenger, WhatsApp, Gmail, and Microsoft Teams.

Which game is the most downloaded app ever?

"Subway Surfers" was the most downloaded mobile game of the decade with 1.5 billion downloads.

Which are the most downloaded apps during the quarantine?

Aarogya Setu, Zoom, WhatsApp, Tiktok, Ludo, Google Pay, Facebook, Messenger, Instagram, Youtube, and Snapchat.

What is the most used app in the world in 2021?

Telegram is the most downloaded app in 2021. It is a free, cross platform, cloud based instant messaging software and application service with is similar to WhatsApp.  In January 2021, telegram became the most downloaded non gaming app worldwide with more than 63 million installs.

  • Instagram
  • Duolingo
  • Amazon
  • Bumble
  • Google find my device
  • Spotify
  • Instasize

Which app is the most downloaded in the world?

WhatsApp is the most downloaded app in the world  on Google Play worldwide for Q1 2019 with close to 199 million installs, followed by Messenger, TikTok, Facebook, and Instagram.

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