You can hide third party iMessage apps completely
Go to Settings > Messages > iMessage Apps and turn off the apps you don’t want.
How to Hide third party iMessage apps
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Make iPhone faster by speeding up animations
Make your iPhone react faster by adjusting the time it takes to reveal content previews, actions, and contextual menus.
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5 Hidden iOS 17 Features You Should Know
Lesser-known iOS 17 features including Mail verification codes, iMessage shortcuts, and haptic touch settings