Fonts for iPhone - Keyboard is a lifestyle app designed for iPhone and iPad that lets you style your messages with tons of different fonts and themes. This app works with all popular texting apps like WhatsApp, TikTok, Instagram, Facebook, etc. Once downloaded, you can easily install fonts by following the instructions on the screen.

The app requires users to subscribe to a monthly subscription with a 3-day free trial. The payment will be charged to the user's iTunes account at confirmation of purchase, and the subscription will automatically renew unless auto-renew is turned off 24-hours before the end of the current period. Users can manage their subscriptions and turn off auto-renewal by going to their account settings. Any unused portion of a free trial period will be forfeited when the user purchases a subscription.

Overall, Fonts for iPhone - Keyboard is a great app for those who want to add some style to their messages. However, users should be aware of the subscription requirement before downloading the app.