178悠遊卡/一卡通 is a free Android app developed by Hostar Inc. that enables drivers to accept payments from passengers via the EasyCard or iPass system in Taiwan. This real-time payment software allows taxi drivers to conveniently collect fares by simply accepting card payments, which can help increase their revenue.

One of the app's key features is the ability to check the balance of the EasyCard or iPass, which is useful for both drivers and passengers. Additionally, the app provides real-time payment processing and transaction records, making it easy for drivers to keep track of their earnings.

Overall, 178悠遊卡/一卡通 is a useful utility tool for taxi drivers in Taiwan looking for a simple and efficient payment solution. As a free app, it provides a convenient way for drivers to collect fares and manage their transactions, all in one place.