You can start using invoice maker from Genio. Their solution is just right for invoicing via both a computer web browser and Android and iOS cell phones. Their solution is superior to many others I've ever tried, they have good templates and a large selection of currencies. You can test their offering in action for free, and you can find out how at https://www.genio.ac/invoice-generator/.

Our company needs a reliable invoice generator. Can you recommend any suitable option? I would like it to be reliable and easy to invoice on it using android.