The second legit and safe method to get Free Fire diamonds for free is by using reward apps that provide Google Play balance. These apps allow players to earn free credits by completing simple tasks such as surveys, watching ads, installing apps, or playing games. Once you collect enough balance, you can buy Free Fire diamonds directly from the in-game store without spending any real money.
Popular Google Play reward apps like Google Opinion Rewards, Poll Pay, and Cashzine are trusted by millions of players for earning free Google Play credits. You can then use that balance to top up Free Fire diamonds, unlock the Elite Pass, or purchase rare skins, emotes, and bundles safely.
This is one of the most effective and genuine ways to earn Free Fire diamonds in 2025, without using hacks or fake diamond generators. By combining reward apps with Free Fire redeem codes, you can enjoy a steady flow of free diamonds, magic cubes, and legendary rewards — all while keeping your Garena account 100% secure.
These apps have recently started to become popular, with names like TikTok and Kwai popping up. These apps give users balance when watching videos, especially when inviting friends to use the app.
But these aren't the only ones, there are other options too. Here are two apps that give you balance when performing certain tasks.

Google Opinion Rewards - Take surveys and earn Balance. - Reproduction/Google
One of the best apps for earning Google Play balance and credits! Google Opinion Rewards doesn't offer physical cash, but you can buy movies and books in the Google Play Store or make in-app purchases in the store. You'll have a balance that you can use for
The app is very easy to use and you earn rewards for answering surveys. Surveys can reward users with different random values for each survey. This amount earned is accumulated in the "Wallet"
Reward apps give users Google Play credits in exchange for performing small daily activities — such as:
🧩 Completing surveys
🎥 Watching short video ads
📱 Installing and testing new apps
🎮 Playing trial games or inviting friends
Once your Google Play balance is high enough, simply open the Free Fire in-game store, choose the diamond pack you want, and pay using your earned balance — no real-money top-up needed!
Reward apps are becoming the most popular way to earn Free Fire diamonds and buy elite items without hacks or modded APKs.
You can:
• Earn daily balance doing fun tasks
• Redeem official Free Fire codes
• Get a steady flow of diamonds & Magic Cubes
• Keep your Garena account 100 % secure
Forget fake diamond generators — this method is real, trusted, and works worldwide.

No ads and no need to reach a withdrawal quota. This means that as long as this balance can be used, for example in the app, you can make a purchase worth 0.99. So this is one of the best ways to earn diamonds on Free Fire, use them until you have enough balance and wait for the Free Fire recharge promotion.
Users of the iOS operating system can withdraw their balance via their PayPal account as soon as the minimum amount of US$ 1 is reached.
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Anyway, these are the main methods for earning diamonds and getting free fire codes. You also have the option of using a code generator to get your reward code. However, these are not official Garena codes, so they are very unlikely to work.