Always buy from Omni rather than from Apple, who take a 30% cut on App Store sales.

Can Apple actually use that money ? It's not clear that they can. They now have a market capitalisation of over $500bn, currently the biggest in the world, larger even than Exxon Mobil, and they are paying dividends out to shareholders, which suggests rather limited scope for productively putting any further money back into the business.

Can Omni use that money productively ? Certainly. Plenty of scope for speeding up product development cycles, and for increasing the proportion of bugs that can be fixed ...