HomeAppsBusinessSouthern Illinois BankApps like Southern Illinois Bank Here are some great alternatives to Southern Illinois Bank by Computer Services Inc. : Southern Independent Bank ★4.5 Southern Chautauqua FCU Mobile ★3.4 Southern Lakes CU Mobile ★4.5 Illinois Bank & Trust ★3.5 Its My CU Mobile Banking ★3.7 First Southern Bank IL Mobile ★3.8 Southern Bancorp ★3.6 First Southern State Bank ★4.7 The Southern Credit Union ★4.8 Southern Heritage Bank Mobile ★3.4 Southern Coastal Federal Credi ★4.0 Central Bank Illinois Mobile ★4.6 Southern States Bank Digital ★4.7 Southern Bank Mobile Banking ★3.9 Southern Bank of Tennessee ★5.0 Southern Bank ★4.5