Not long ago you could redeem bitnovo vouchers on their website which was very fast and easy, you could also redeem more vouchers at once so to avoid spending the fee for each single voucher but now bitnovo changed everything and it is very bad!
They now force you to install their app otherwise you can't redeem vouchers anymore, also if you have more vouchers they don't allow you to redeem them all together like before so you now must pay the expensive fee for each voucher you have to redeem and they want id proof, id selfie and verification!