It's a flashcards app to learn vocabulary in different languages, normal registering includes 2 decks of languages: Spanish, English, or the two ones that you choose, you have only one predetermined voice.
If a friend of yours registers using your referral code, you both get one month free.
Information contributed by Invitation's members.
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All you need to know about the Duocards invitation program
Duocards promo code offers you Free month on premium. After, you can invite your friends to join Duocards and earn Free month on premium for each successful referral when they use your Duocards promo code.
Earn Free month on premium when you invite a friend to Duocards with your referral code. You can find your promo code inside your Duocards account, search for terms like: Invite a friend to Duocards, Refer a friend to Duocards, Earn rewards on Duocards, Duocards Referral Code, Duocards Promo Code, Earn money on Duocards
Both codes offer rewards to users, but there's only one small difference. A Duocards promo code is usually a code created by Duocards to incentivize their existing users to purchase something. In contrast, a Duocards referral code rewards existing customers with Free month on premium when they invite their friends. These friends in turn receive Free month on premium when signing up to Duocards.
Once you signed up to Duocards you can earn more Duocards referral rewards by sharing you own promo code to your friends and family. The best way to promote your referral codes is with your Invitation page (the biggest referral community). Your codes will be visible on Parrain.org and many other sites that connects people looking for a Duocards deals and promo codes.
The Duocards referral code gives Free month on premium to the invited user and the referring user gets a reward everytime someone uses their code (Free month on premium). To activate the promotion, either click on the referral link shown or copy and paste the Duocards promo code when you sign up to Duocards.
There are tons of Duocards promo codes available on Parrain.org and in the Invitation community. All these codes are published by members of the Invitation community. You might be able to see the codes posted by your friends when signing in to Invitation.Codes. Join for free to share your referral codes and earn Free month on premium every time you invite someone.