Trip Reader uses the internal NFC reader to get balance and history from public transit cards issued across China. No Internet or Bluetooth is needed.

Main functions:
•  Balance and history
•  Show station names
•  Monthly discount policy and progress
•  Show bus routes
•  Save history and comment

Cards supported:
•  Beijing Yikatong Card (北京市政交通一卡通) (CPU card only)
•  Beijing Hutong Card (京津冀互联互通卡, with T-Union mark)
•  Tianjin City Card (with T-Union mark)
•  Nanjing City Card (with T-Union mark)
•  Suzhou Citizen Card
•  Shanghai Public Transportation Card (Purple card and T-Union card)
•  Kunshan Citizen Card
•  Guangzhou Yang Cheng Tong (CPU card only)
•  Lingnan Pass
•  Shenzhen Tong (FeliCa type not supported)
•  Chengdu Tianfu Tong (CPU card only)
•  Other T-Union or City Union cards issued across China (some dual-module cards may show T-Union history only)

Note: Student cards, senior cards etc. are not supported.
Most cards issued after 2010 are CPU cards. Some may bear a "C" mark.

Cities support metro station display:
•  T-Union cards only:
Beijing, Tianjin, Shenyang, Dalian (incomplete), Harbin, Xi'an, Nanjing, Wuxi, Suzhou, Changzhou, Xuzhou, Qingdao (except Line 13), Changsha, Nanchang (Line 2), Hefei, Ningbo, Lanzhou, Chongqing (incomplete), Kunming, Guiyang, Fuzhou (Line 2), Xiamen
•  Shanghai
•  Hangzhou (incomplete)
•  Guangzhou
•  Shenzhen

Cities support discount information display:
•  Beijing
•  Nanjing
•  Suzhou
•  Shanghai
•  Guangzhou
•  Chengdu
Note: Discount information is only available to local cards.

Cities support bus route number display (for T-Union transactions only, not all routes can be shown):
•  Beijing
•  Hebei: Shijiazhuang, Baoding, Tangshan, Langfang
•  Shanxi: Taiyuan, Yuncheng, Jinzhong, Linfen, Luliang
•  Shaanxi: Xi'an, Xianyang, Yan'an, Shangluo, Xixian New Area, Hanzhong
•  Shandong: Jinan, Qingdao, Zaozhuang, Jining, Linyi, Heze, Weifang, Tai'an, Zibo, Dongying, Binzhou, Dezhou, Liaocheng
•  Henan: Luoyang, Zhumadian, Xinyang, Shangqiu, Nanyang
•  Jiangsu: Nanjing, Suzhou, Kunshan, Zhenjiang, Yangzhou, Gaoyou, Yancheng, Xuzhou, Lianyungang, Changzhou
•  Anhui: Hefei, Ma'anshan, Bengbu, Chuzhou, Suzhou, Tongling, Lu'an, Huaibei, Huangshan, Fuyang, Xuancheng, Chizhou
•  Shanghai
•  Zhejiang: Shaoxing, Jinhua, Wenzhou, Quzhou, Lishui, Ningbo
•  Jiangxi: Nanchang, Jingdezhen, Jiujiang (local card), Fuzhou, Shangrao
•  Fujian: Fuzhou, Xiamen, Sanming
•  Hubei: Shiyan, Jingzhou
•  Hunan: Chenzhou, Hengyang, Yueyang, Loudi
•  Sichuan: Deyang, Leshan, Meishan, Nanchong, Panzhihua, Zigong, Kangding, Neijiang, Suining
•  Yunnan: Kunming, Chuxiong, Baoshan
•  Guizhou: Guiyang, Tongren
•  Guangdong: Shenzhen, Zhuhai, Maoming, Zhanjiang, Shantou
•  Guangxi: Nanning, Liuzhou
•  Gansu: Lanzhou
•  Ningxia: Yinchuan, Wuzhong
•  Inner Mongolia: Erenhot
•  Liaoning: Shenyang (local card), Dalian, Panjin, Yingkou, Tieling, Chaoyang, Fushun
•  Jilin: Yanji, Siping
•  Heilongjiang: Qiqihar, Daqing
•  Xinjiang: Hami
•  Tibet: Lhasa
•  Hainan: Haikou

This app does not have access to official database. Please use with caution and do not rely on the result.