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yes, there is another way to buy APX, you can buy APX with the Probit exchange, then send your tokens to the Telos Wallet and then send the APXs from the Telos Wallet to the address of the APPICS application outlet. Read this guide as well.

I can confirm that the method shared in the following guide is working: https://hive.blog/hive-146620/@stefano.massari/how-to-transfer-apx-from-probit-to-appics-application-en-it