Hi guys, wanna share iPhone app that I've built for myself, I've called it CoinsChecker. App contains info about almost all US coins with images that can be checked. App has three collecting mods: 1. year, 2. year and mint, 3. year, mint and varieties. And also has Proof and Special strike coins. https://apps.apple.com/us/app/coinschecker/id1484761290. Right now I am working on Canada and Australia coins. App is Free and without ads.