If Duolingo charged you twice for a single subscription, start by confirming both charges in your payment history to verify they are indeed duplicates.
Check whether the charges are linked to the same account or if a second account was unintentionally created with a different login method (email, Google, or Apple ID).
To quickly reach Duolingo customer service, visit their Help Center (https://support.duolingo.com/hc/en-us) and submit a request under the billing section.
Provide details of the duplicate charges, including your account username, email address, and payment receipts. If you subscribed via a third-party platform (Google Play or Apple App Store), reach out to their support teams as well, as they handle the transactions.
For faster assistance, email [email protected] with all relevant details and clearly explain the issue. Attach screenshots of the duplicate charges to streamline the process.
If a resolution isn’t reached, we encourage you to offer your opinions or submit your complaints free of charge.
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Duolingo's 2-Week Free Trial Subscription Went Wrong, Annual Fee Was Charged

Hello everyone. I started Duolingo's 2-week free trial subscription on May 30, 2023, but I could not cancel my subscription within this 2-week period, and my account was deducted from my account at 12.06.2023 22:05, which was the annual fee of 329.99 TL, and on June 13, 2023 02:40, there was an extr...