Side by side
Tencent QQ vs Viber
Both stand on instant messaging software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneMac+1
Visit Tencent QQ 
Free plan AndroidiPhoneLinux+2
Choose Viber for free messaging and calls with other Viber users, device syncing, and Communities that can have unlimited members. Look elsewhere if you need group chats larger than 250 people or desktop activation without an active mobile account.
Visit ViberThe facts
| Tencent QQ | Viber | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Mac, Windows | Android, iPhone, Linux, Mac, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 3 |
| Maker | Not published | Not published |
| Website | im.qq.com | viber.com |
| On instant messaging software | #26 of 30 | #22 of 30 |
Tencent QQ: what it does well
Viber: what it does well
- Supports text, photo, video, file, voice, and video messages.
- Offers voice and video calls, including group calls.
- Communities allow unlimited members and admin moderation.
- Chats sync across mobile, tablet, and desktop.
- One-on-one and group chats use end-to-end encryption by default, according to Viber.
What to know first
- Desktop activation requires an active Viber account on a mobile phone.
- Group chats support up to 250 people.
- Viber Out and Viber Plus prices are shown in the app or vary by destination.
Alternatives to Tencent QQ Alternatives to Viber The whole list