You can set Global refresh rate or specific rates for apps. For example:
Here is everything you need to know about this popular tool. Refresh Rate Changer 3.0 By Rc Modz Apk - Google
For Leo, a mobile gamer stuck with a budget phone and a locked 60Hz display, the APK felt like a golden ticket. He had spent months watching his rivals glide through "Apex Legends Mobile" with buttery smoothness while his screen stuttered like an old film reel. He clicked the first Google link, bypassed three layers of "Allow Unknown Sources" warnings, and watched the progress bar crawl toward completion. You can set Global refresh rate or specific rates for apps