Social Pro Daily Line App Users Made $12 Million Selling Custom Stickers Line is a messenger app from Japan that rakes in about $10 million a month in sticker sales. By Phi Tran August 21, 2014 Phi Tran Recommended articles {"channel":"elasticpress","title":"Recommended","post_types":["post","page"],"lineup_id":"54851","since_qty":30,"since_time":"d","until_qty":0,"until_time":"m","q":"","num_posts":0,"vertical":"performance-marketing"}