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Duolingo

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Duolingo

Complaints

72 complaints
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Duolingo Subscription Was Activated Without My Consent

July 1 11:06 PM2

My mobile phone line is on a postpaid plan, and I recently discovered that my June phone bill included an approximately ...

Duolingo Keeps Trying to Charge My Card Without Permission

July 1 5:27 PM5

Even though I do not have any paid Duolingo subscription, I have been receiving text messages from my bank every morning...

Duolingo Super Annual Subscription Charged Without Approval

July 1 8:58 AM2

I started a 7-day free trial for Duolingo Super in the Duolingo app. I was told that I would receive a reminder notifica...

Duolingo Keeps Emailing Me After I Unsubscribed

June 29 4:54 PM2

From the very first day we installed the Duolingo app on my iPad, we started receiving an overwhelming number of notific...

Duolingo English Test Wrongfully Flagged Me for Cheating

June 29 4:19 AM

My Duolingo English Test, which I took on June 27, was invalidated for the alleged reason of "looking away from the scre...

Duolingo English Test Invalidated for Looking Away Due to Bright Screen

June 29 4:10 AM9

I took the Duolingo English Test on 27 June and received my results two days later, only to see that my test was marked ...

Duolingo Never Sent the Promised Free Trial Reminder

June 28 9:11 PM

While using Duolingo's free trial, the app clearly stated that I would receive a notification before the trial period ex...

Super Duolingo Not Activated After Google Play Purchase

June 20 4:19 PM

On the evening of June 19, 2026, I purchased Super Duolingo through Google Play on my Android phone. However, when I tri...

Duolingo Android App Crashes During Lessons And Risks Streak

May 16 5:44 AM14

I am using Duolingo on an Android phone and recently the application started crashing every time I try to open a lesson....

Duolingo English Test Certificate Denied Due to False Cheating Flag

April 14 10:14 AM34

On March 31, 2026, I took the Duolingo English Test, but my certificate was not approved due to a claim that “another pe...

1

Duolingo English Course Not Showing Turkish Translations

April 6 11:01 PM32

I am an active Duolingo Super subscriber and regularly use the mobile app. After completing the English course, I encoun...

Duolingo Stories Section Shows Inappropriate Content for Kids

April 1 4:37 PM5

I use the Duolingo app for language learning, both for myself and for my child. Even though I recently started using the...

Unauthorized Duolingo Subscription Charge After Trial End

April 1 9:08 AM

I decided to try the 7-day free trial on the Duolingo app. After the trial period ended, I noticed that I was charged $3...

1

Duolingo Subscription Created Without Permission and Charged Me

April 1 1:24 AM2

A Duolingo subscription was created and I canceled it. However, I then received a notification that a charge had been ad...

Duolingo Charged Me $30 Without Subscription or App Store Record

March 31 9:25 PM

I use the Duolingo app through the App Store. On March $30 was charged to my card through my Duolingo account without my...

Duolingo Subscription Charged Without Consent and No Refund Received

March 30 8:58 PM2

On March 1, 2026, a subscription fee of $30 was charged to my account on the Duolingo app without my knowledge. I had pr...

Unauthorized Duolingo Subscription Added to My Phone Bill

March 30 4:22 PM

While using the “Duolingo Super” free trial, a 12-month subscription fee was charged to my phone line without my knowled...

5
Resolved

Unauthorized Duolingo Subscription Charge on My Credit Card

March 30 8:15 AM

"Duolingo team, thank you for your swift refund process for the unauthorized ₺1000 charge and for the care you have shown towards card security."

I noticed that $31 was charged to my credit card on the Duolingo app withou...

1

Super Duolingo Not Rewarding Completed Friend Quests

March 2 8:20 PM34

I am a Super Duolingo user on an iPhone, and I have been experiencing an ongoing problem with friend quests since Octobe...

Duolingo Says “No Such Account Exists” After Login Attempt

February 22 3:23 PM13

I was using the Duolingo app on my Android device with an account registered through my email address. Today, without an...

Duolingo Annual Fee Charged Without Clear Notification

February 21 1:03 AM17

On February 19, 2026, Duolingo charged $28 from my Garanti Bank credit card for an annual subscription without my knowle...

1

Duolingo Super Trial Charged - No Warning, Must Refund

December 1, 2025 3:17 PM82

While my Duolingo Super trial was still active, I was told that I would be notified when the trial period was ending and...

4
Resolved
October 16, 2025 8:04 AM12

"I was quick to mark the issue as resolved."

Hakan removed this complaint from publication

Frequently Asked Questions

Duolingo does not have a customer service phone number or email address, but you can reach out to them by filling out a form on their website with the details of your issue.

About Duolingo

Duolingo is a language-learning website that makes learning new languages entertaining and interesting. Duolingo, which has over 300 million users worldwide, offers free access to a range of languages, including Spanish, French, German, Italian, and Portuguese. The platform is intended for learners of all ages and levels, with interactive classes that incorporate gamification aspects such as incentives and leaderboards to keep users motivated and interested. Duolingo offers specialty classes in areas such as business, travel, and culture in addition to its core language-learning courses. Users may access courses and practice on the move thanks to the platform's mobile app and web interface, making language learning more convenient than ever before.