If the answer to any of these is "no" —
Use tools like the Google Play App Safety Checker to evaluate new apps for potential privacy risks before downloading. Alternative: Native Play Store Rewards free play store redeem code app
This app focuses on cashback and receipt scanning, but it has a strong gaming section. If the answer to any of these is
Many "generator" apps are just ad-clicking farms. They promise a code, make you wait 60 seconds, show you 30 ads, and then present a fake "Error: Try again tomorrow" message. The developer makes money from the ads; you get nothing. make you wait 60 seconds
Several reputable apps pay you in gift cards for completing micro-tasks.