Pi Network claims to be legit and safe, but as with any cryptocurrency or mining app, there are risks involved. While there is no risk of damage to your device, there is always the possibility of scams or fraudulent activity. As for whether it's worth it, that's ultimately up to you to decide based on your own experience and any potential rewards you may receive.
Is Pi network a scam or legit? Is it worth mining Pi and what is its value? Full guide to Pi cryptocurrency mining and trading.
There have been reports questioning the legitimacy of Pi Network. Please note that mainnet has not launched yet and the price displayed below for certain exchanges reflect the value of the IOUs and it may not be transferable across exchanges. Read more here and DYOR.