Meanwhile, iOS represented a higher level of activations in regulated industries such as government, education and financial services. Apple's iOS had 83 percent share in education, 80 percent in public sector and 76 percent share in financial services.
Android had its best showing in less regulated industries such as high-tech where it had 47 percent share, according to Good's Mobility Index Report.
Among other key findings:
Custom app development has surged in select industries. For instance, 34 percent of all apps activated in the insurance industry are custom built.
Business and professional services had 64 percent of their apps revolving around content editing, access and secure browsing.
47 percent of apps activated in manufacturing revolved around secure browsers to access intranets and Web apps.
Apple's 81 percent of tablet activations in the first quarter was down from 92 percent a year ago.
Windows had 4 percent of the enterprise tablet market in the fourth quarter. Windows tablets were strong in retail with 5 percent share.