This report looks at real-life data (Mobile and Wi-Fi) usage on smartphones of almost 1,000 consumers and gives insight on how much MB is used on average per month on mobile networks and Wifi, split for: Operating system iOS and Android, Mobile provider (KPN, T-Mobile and Vodafone). The report also looks at a number of communication and messaging Apps and provides insight on penetration. The following Apps are included in the report: WhatsApp, Facebook, FB Messenger, Twitter, Skype, Snapchat, Google+, Viber, Instagram, Telegram. For this report we use our own tp:mobiledatatracker soure. As Monitoring real-life data traffic from smartphones is a complex task with limitations, please take a look at the preview to make sure you understand the limitations when interpreting the presented results.