Here are the top 10 fastest-growing smartphone apps

Waze, a Google-owned navigation app, grew 127% since June 2015.

Messaging app WhatsApp grew 91% since June 2015.

The ride-hailing app grew 99% since June 2015.

Wish, a shopping app that gives you discounts, grew 171% since June 2015.

Letgo, an app for buying and selling your stuff, grew 1,224% since June 2015.

Bitmoji, a Snap-owned app for creating personalized cartoon avatars, grew 2,078% since June 2015.

OfferUp, an app for buying and selling your stuff, grew 166% since June 2015.

Ride-hailing app Lyft grew 282% since June 2015.

Musical.ly, a video-based social media platform, grew 630% between August 2015 and June 2016.

Venmo, an app for quickly sending and receiving money, grew 441% since June 2015.