Android #
Tap on the profile icon to access CoolApp Settings 
> Appearance > Message font size > Select your option.
iOS #
CoolApp matches the font size on your device. Follow steps from Apple’s support page to change the font size.
Desktop #
Open CoolApp Desktop and use the shortcut to adjust your font size:
| Mac | Windows/Linux | |
| Actual Size | ⌘ 0 | Ctrl 0 |
| Zoom In | ⌘ = | Ctrl = |
| Zoom Out | ⌘ – | Ctrl – |