I did realise the one I use on Iphone is available on android: https://play.google.com/store/apps/details?id=com.spotlightsix.zentimerlite2&hl=en&pli=1 https://

I did realise the one I use on Iphone is available on android: https://play.google.com/store/apps/details?id=com.spotlightsix.zentimerlite2&hl=en&pli=1 https://play.google.com/store/apps/details?id=com.spotlights... Its not the same as my app with the frequency tones but it's a great app nonetheless.