You can use specific codes to avail a discount while renewing or upgrading your subscription. 

1. Use the code "UNACADEMY" to avail a special 10% discount OR refer to the Renew codes that you can find under the Renew/Extend article under ‘My Account’ in the Help & Support section. 
2. You can also avail an additional discount of up to 10% based on your credits. In order to use your referral codes and credits, please follow the below steps:

If you are using the Unacademy App: 

1: Click on the Hamburger menu.

2: Select Settings.

3: Click on Extend Subscription.

4: Select the Subscription plan and click on Continue.

5: Then you can proceed with the payment process.

Please refer to the GIF for better understanding:

If you are using Unacademy on Web:

1. Click on the 'Settings' option under your profile on the home page. 

2. Select the 'Extend subscription' option.

3. Choose the subscription duration and click on 'Proceed to pay'.

4. Add the referral code which you have.

5. Click on the 'Redeem' option visible next to the credits.

6. Click on ‘Continue’ to make the payment. 
   
   

Please refer to the GIF for better understanding: