Some Apps, such as Notability are only available from the app store, so Study Tech may have sent voucher codes for you to purchase the apps.
Once purchased please can you email a copy of the purchase receipt to orders@study.tech
Online Resource
Redeem App Store Voucher code.
1. On your Mac, open the App Store.
2. Click your name or the sign-in
button in the sidebar.
1. Open the App Store app.
2. At the bottom of the screen, tap Today.
3. At the top of the screen, tap the sign-in button or your photo.
4. Tap 'Redeem Gift Card or Code'.
5. To redeem a voucher code, follow the instructions on the screen.
1. Tap the App Store app on your Home screen.
2. Browse or search for the app that you want to download, then tap the app.
3. Tap the price or tap Get. You might need to sign in with your Apple ID.