Apps similar to Simple Internet Meter Lite include NetWorx. It's paid, but NetSpeedMonitor is free. Other options are Net Bar and NetBalancer. In total there are four Network Monitors like Simple Internet Meter Lite for Windows and Mac.
NetWorx is a simple, yet versatile and powerful tool that helps you objectively evaluate your bandwidth consumption situation. You can use it to collect bandwidth usage data and measure the speed of your Internet or any other network connections.
United Kingdom
Displays real-time network download and upload speeds in the macOS menu bar with detailed Wi-Fi and latency stats, customizable appearance, unit options, no data collection, fully open source, and a native interface for seamless local monitoring.
India
NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar designed to be used on computers that run Windows XP, Windows Server 2003, Windows Vista or Windows 7. With NetSpeedMonitor you can monitor the current speed (up- and downstream) of your Network...
Germany
EU
NetBalancer is an internet traffic control and monitoring tool designed for Win7/8/10.
RomaniaEU
