A wallpaper app called "Gacha Club x Gacha Life Ideas" has outfit ideas for Gacha Club and Gacha Life. It has a lot of interesting ideas.
Then, with this app, you can also get ideas for the hair of your gacha character, too.

For example, with this app, you can download high-quality wallpapers such as Outfit Ideas Gacha Life for both boys and girls. You can also download premium wallpapers for both boys and girls in this app!

Use these ideas to help you design your own outfit for Gacha Life x Club.
It's possible to play "gacha" at any time or place. There are outfit ideas for boys and girls.

Disclaimer:
This app was developed by Gacha Life and Club fans and its unofficial. All contains used in this app are copyright to their respective owners and usage falls within the Fair Usage guideliness. This images is not endorsed by any of the perspective owners, and the images are used simply for aesthetic purposes. This application is an unofficial fan based application. No copyright infringement is intended, and any request to remove one of the images/logos/names will be honored.