The easiest way is to buy a subscription through our website: https://kitabsawti.com/en/subscription.
Another option is to buy a subscription from within the app:
- Go to the Settings of the app (cog wheel icon in the bottom menu).
- Tap on the top banner to choose a subscription option.
The payments inside the app are handled by Apple App Store and Google Play. We never see or store your credit card information or other payment-related details.