E-Saldoku is a free mobile application designed for potential partners to conduct various transactions conveniently from anywhere. Users can easily purchase prepaid credits, pay postpaid bills, and explore a range of other transaction options within the app.

The app offers a plethora of features including a comprehensive dashboard displaying balance, points, withdrawals, and profile settings. Users can access menus for regular refills, data packages, prepaid PLN tokens, BPJS payments, and various balance top-ups like OVO, LinkAja, Gopay, and more. Additionally, the app provides options for PDAM payments, game voucher purchases, fund balance top-ups, Telkom payments, call and SMS services, and detailed transaction histories. Users can also enjoy discounts, set up user profiles, configure Bluetooth printers, and access customer service directly within the app.