New research has found that WhatsApp is now more popular than rival mobile messaging platforms including Facebook and BBM.
In a survey of nearly 4,000 smartphone messenger users in five countries, 44% said they use WhatsApp at least once a week.
The study by On Device revealed that Facebook Messenger came in second, with 35% claiming to use the platform for social messaging.
On average, the results also showed that mobile users turn to social messaging apps to communicate the most, over voice calls, texts and email. Daily usage of messaging apps stand at 86%, followed by 75% who text. 73% choose to call, while emails are less favoured with 60%.
Over half also admitted they use messaging apps over ten times a day.
3,759 people took part in the study in the US, Brazil, South Africa, Indonesia and China.