This study aims to evaluate the implementation and effectiveness of SIMBA at BAZNAS Bogor Regency, as well as the effectiveness of zakat management. Using a qualitative case study approach, data was collected through interviews and literature study. SIMBA’seffectiveness was measured using DeLone and McLean’s information system (D&M IS)successmodel, while the effectiveness of zakat management was measured using the allocation to collection ratio (ACR) method. The results show that SIMBA is effective in supporting zakat management, with features that facilitate access to accurate and timely information. Zakat management is also considered effective,with a positive ACR average. Despite technical glitches, users express strong satisfaction with SIMBA,especially regarding its convenience, transparency, and enhanced accountability.