Hey, first of all thanks for the kind words. Let me answer what you wrote:
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Now regarding the app disappearing from the app store because the company goes out of business, that's honestly a legitimate concern and it's one of the reasons why we're considering publishing everything open-source (including the apps), in which case even if the company goes out of business people would just be able to for example run their own apk and recover their wallets and move them somewhere else.
why would they need to do that? couldn't they just keep using the ringwallet like always? or is there some type of server infrastructure that would no longer exist if the company went out of businesses and thus nothing would work anymore?
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Even if we end up deciding to publish it as source-available, you would still be able to do that since the company would have gone out of business in your example. With that said, we are gravitating more towards open-source at this moment either way and we're going to take a final decision in the coming weeks and announce it here.
open source is better since then people can do bug fixes and things. even if the company is no longer around. and they can do it without any fear of repercussion. Quote
There may be a chance to do something in the $25-30 range if you go with something like a card since it's a simpler form factor but not sure if $10 is achievable in the very near future. Maybe years ahead as technology improves and production costs go down.
$25 would be reasonable. since i think the conveniences of not having to plug something into a computer or recharge a battery are very big benefits plus the form factor is tiny you can take it anywhere. i would love to have something like that which i can interact with through my phone too. but i'm confused about the "battery life" you say on the website it is 10 years. does it really even have a battery inside the ring? and what happens once that battery dies, it can't be replaced?
are you sure there are no software bugs that make it vulnerable to losing funds? big question right? any new product in this niche it seems like they all go through a process where people find bugs/exploits which then have to be fixed and ineviitably someone lost funds because of that exploit.