WeiFn

Weifn is simple and easy to use. Full screen color coding, nice look

when you need it, it just one-click.

also we are free and few ads.

we design it to fit execises body and training for example like running, swimming and so on.

we don't want any personal information, no permmistion for you to agree, just relax and use.

this is our new product, so wait for your feedback and suggestions.

hope you like it, thank you all.