v3.26.3
REVENUE (Tables)
 9 Months Ended
Sep. 30, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
Three Months Ended September 30,
Nine Months Ended September 30,
(In thousands)2026202520262025
Subscription
$269,985 $229,491 $778,928 $631,156 
Advertising
20,820 21,019 62,486 59,504 
Duolingo English Test
9,854 9,649 31,280 31,723 
IAPs
6,880 11,096 23,328 30,928 
Other
1,468 458 3,406 1,410 
Total revenues
$309,007 $271,713 $899,428 $754,721 
Schedule of Changes in Deferred Revenues Changes in deferred revenues were as follows:
Nine Months Ended September 30,
(In thousands)20262025
Beginning balance—January 1$496,205 $372,884 
Amount from beginning balance recognized into revenue(453,778)(339,992)
Deferral of revenue844,942 754,123 
Amount recognized from current-period deferrals(373,802)(345,288)
Ending balance—September 30$513,567 $441,728