SMRTR TechApr 7, 2026TechSpot

Which mobile app was the first to reach 1 billion users?

SMRTR summary

Facebook became the first mobile app to reach 1 billion monthly active users in June 2015, taking 8.7 years to achieve this milestone and marking its successful transition from desktop to essential smartphone tool. TikTok later shattered speed records by reaching the same billion-user mark in just five years, demonstrating unprecedented growth in the mobile app era.

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