WhatsApp vs Viber vs LINE: which messaging app should you choose?

WhatsApp is the strongest all-round choice for reaching people: it has 10 billion-plus installs and the highest Google Play rating of these three, at 4.6. Its simple interface, multimedia sharing, free international messaging, and end-to-end encryption make it a practical option for everyday conversations.

The trade-off is a phone-number requirement and fewer customization options than a feature-rich messenger may offer. It depends on an internet connection, can use substantial data, and its group chats are limited to 256 members—smaller than LINE’s groups.

Viber combines free international calls and messages with encrypted messaging, animated stickers, and communities. Its 1 billion-plus installs give it broad reach, while its call-and-sticker mix offers a different emphasis from WhatsApp’s simpler everyday approach.

Its Google Play rating is 4.1, below WhatsApp’s 4.6 but above LINE’s 3.1. Viber includes ads, and some features and sticker packs can cost extra; connectivity can also be less reliable in weak-signal areas, and prolonged use may drain the battery.

LINE’s clearest advantage is scale within group chats: it supports groups of up to 500 people, compared with WhatsApp’s 256-member limit. It also offers voice and video calls and works across devices, making it a strong option for larger social groups.

Its 3.1 Google Play rating is the lowest of the three, and the app contains ads. Some features require in-app purchases, while the listed drawbacks include battery use, occasional notification delays, and dependence on a stable internet connection.