UI Pixels is a gallery of free PSD's and Sketch App, Figma and Adobe XD resources that you can download and use freely.
Electro App Sketch. You can easily use the design. Designed and released by Alex Degtyarik
Adobe XD Resources, App Design, Figma Resources, Free PSD, Sketch App Resources
App Design, Free PSD, Sketch App Resources
Free PSD, Sketch App Resources, UI Kits