Users have limited attention spans and the easily get bored. Marketers struggle to capture interest quickly. device fragmentation complicates strategies foremost digital marketers. Different devices and operating systems require tailored approaches. Privacy concerns are rising as people are now having control over their choice of ads. Users are more cautious about sharing data. This limits targeting options. Fourth, competition is fierce. Many brands compete for the same audience. Standing out becomes difficult. Lastly, measuring success can be tricky. Marketers need clear metrics to evaluate campaigns. These challenges make mobile marketing complex but also exciting. Adapting to these issues can lead to innovative solutions and better engagement with audiences.