You can check the balance of your Spacetalk Mobile SIM Plans via both your mobile and web app.
On the Spacetalk Mobile App
Accessing your mobile account detail is easy. Log in to your Spacetalk App.
On the bottom, select Membership.
Your mobile membership details will be shown listed under Your SIM plans. You can scroll to the right for more SIM plans summaries.
To see the plan balances in a list, tap on any of the SIM plans.
On the Spacetalk Web App
To access your Mobile Membership from the web, go to app.spacetalk.co and log in.
On the landing page, you will see your SIM plan summaries.
For more information, you can click on the plans to get more details.