I built another calculator for iPhone/iPad that's free and ad-free

Show HN: I built another calculator for iPhone/iPad that's free and ad-free

I built another calculator for iPhone/iPad that's free and ad-free is active in the show hn launch space.

The company sits in the show hn launch segment, where it competes on its core product or service.

Its current recorded stage is Show HN launch.

Website: www.waterworld.com.hk/calcsmos