A Pro in-app upgrade for iOS includes additional options for custom usage counters. The iOS app is $0.99 and requires iOS 9.0 or later. It works with iPhone, iPad, and iPod touch. The Android app requirements vary by device. Download For: It tracks cellular and Wi-Fi in real time and has a “smart forecast” feature that predicts if you’ll stay within your data cap. DataMan has a handy widget for checking your usage at a glance, and the app alerts you before you reach your data cap. DataMan is $0.99 and is available only for iOS. A Pro subscription is available with more functionality as a $0.99 in-app purchase. The app is compatible with iOS 14.4 or later. Download For: The free iOS version of the app is called My Data Manager VPN Security and says it “secures your internet traffic with VPN technology, encrypts your unprotected data, and tracks how much data you use per app.” The Android version sticks to monitoring data usage. Usage-monitoring features of both apps include the ability to monitor mobile, roaming, and Wi-Fi connections. It supports custom usage alarms to avoid overage charges and offers shared and family plans with tracking across all members’ devices. The free app is compatible with iOS 13 and later and Android 6.0 and later. Download For: Use the app to monitor your usage, manage your wireless account, view billing details, pay your bill, upgrade your phone or plan, and make changes to your plan. The free app is compatible with iOS 11.4 and Android 7.0 and up. Download For: The My Verizon app offers basic data-monitoring capabilities as well as additional services such as reviewing and managing your plan, viewing and paying your bill, getting on-demand support, and shopping for new devices and accessories. The free app is compatible with iOS 11.0 and up and Android 5.0 and higher. Download For: