This study undertakes a comparative analysis of the implementation models of International Financial Reporting Standards (IFRS) in South Africa and Indonesia, focusing specifically on Islamic banking institutions. Whereas South Africa pursued full adoption of IFRS to align with international reporting benchmarks, Indonesia opted for a convergence approach, integrating IFRS principles within its existing local financial reporting framework. Employing a Systematic Literature Review (SLR) methodology, this research synthesizes findings from academic literature, annual reports of Islamic banks, and relevant institutional progress reports on IFRS implementation. The findings indicate that full IFRS adoption in South Africa has enhanced financial reporting quality and transparency; however, it has not entirely mitigated earnings management practices, such as income smoothing.