Been looking into mobile mining lately and honestly, there are quite a few free mining apps out there that actually work. Let me share what I've found.

CryptoTab was one of the first to do this and it's pretty straightforward - just install it, hit start, and it uses your phone's processing power to mine BTC. They also let you earn more by inviting friends through referral links, which is a nice bonus.

Then there's cloud mining options. A major exchange offers this where you basically rent hashrate from their mining pool instead of doing it yourself. You pick a plan, buy the hashrate, and collect rewards to your wallet. Different duration options available depending on what you want.

StormGain is another cloud mining app I checked out. You can mine through small tasks and the interface is pretty clean. The main downside? It needs a restart every 4 hours, which gets annoying if you're trying to keep it running constantly.

NiceHash is solid if you want more control. You can manage your own mining setup and check profitability before committing. It's got a good calculator tool, which is why both beginners and experienced miners use it. Security is strong too, though I'd definitely enable two-factor authentication.

Bitdeer lets you mine multiple cryptocurrencies with flexible pricing plans. It's more for people who know what they're doing, but if you're serious about it, you get access to professional-level equipment.

Honestly, is mobile mining worth it? It depends on your perspective. Some people say it's pointless because of market competition and the 8-hour daily time commitment involved. Others think it's an easy, accessible way to make some extra money. I think it really comes down to whether you believe crypto mining will evolve with better hardware and new algorithms in the future.

If you want to actually try mining Bitcoin on Android, it's pretty simple: pick an app like CryptoTab, install it, create an account, set up your wallet address, choose your mining pool, and start. Monitor it through the app.

On iPhone it's trickier because Apple's strict about mining apps, so cloud mining is basically your only real option. Same process - download the app, verify your account, rent some hashrate, link your wallet, pick a plan if needed, and go.

As for which coins are easiest to mine on phones in 2024, people generally point to Monero, Dogecoin, Vertcoin, and Ravencoin. But also factor in your local electricity costs and what the coins are actually worth.

One thing to remember - mining one Bitcoin with just a phone takes forever. The average is about 10 minutes for one Bitcoin under ideal conditions, which means you'd need serious equipment or cloud services to actually make it worthwhile.

Bottom line: free mining apps exist and they work, but do your homework before jumping in. Check the terms regularly since they change, and don't rush into it. The crypto space moves fast and mining is evolving too.