SmartWallit is a card with an accompanying app that helps you, through Bluetooth, keep track of your physical wallet and record spending history.
The first generation successfully got funded on Kickstarter and shipped some 3000 pieces in 2013. With staff in both the US and China, the company behind it has the gadget manufactured in Shanghai, China. Apart from SmartWallit, the company also designs and produces anti-lost devices.
The second generation, SmartWallit Pro, now is on Kickstarter raising funding. The new one is thinner, has more features and improved algorithms. You can see the advancements in detail as below.
SmartWallit Pro works with smartphones that support Bluetooth 4.0, iPhone 4S and above, iPod Touch 5th generation and above, and Android phones with Android 4.3 and above.