Some modded APKs require root access. Using a modded cleaner app with root privileges can trip SafetyNet, breaking banking apps, Google Pay, and even some games like Pokémon GO.
While the idea of a free Pro APK is financially appealing, you are trading a few dollars for your data security and device integrity. The performance gains from One Booster—Pro or free—are marginal on modern smartphones. What you actually pay for with Pro is mainly ad removal, not genuine optimization.
Your phone contains your photos, messages, banking apps, and emails. Is saving $3 per month worth losing all of that? We think not.