From the Roblox Mobile App

Robux Balance

1. Be logged into the account where the Robux were bought
2. Tap the Robux (R$) icon at the top of the app
3. Your Robux balance is displayed at the top

Robux Purchase History

1. Be logged into the account where the Robux were bought
2. Tap the three-dots icon in the lower right
3. Tap Settings
4. Tap Billing

From a Browser

Robux Balance

Your Robux balance is shown in the upper right of the browser window.

Robux Purchase History

1. Be logged into the account where the Robux were bought
2. Open the gear icon in the upper right
3. Open Settings
4. Open Billing

Robux Spending History

1. Be logged into the account where the Robux were bought
2. Tap the Robux (R$) icon in the upper right of the browser window
3. Tap your Robux value
4. View how the Robux were spent on the My Transactions tab

From the Roblox Xbox One App

Robux Balance

While on the Home screen, click the Right Bumper (RB) until you reach the Robux screen. On this page, in the lower-left corner, your current total is next to My Balance.