v3.26.1
REVENUE
 6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
REVENUE REVENUE
Disaggregation of Revenue
In accordance with Accounting Standards Codification ("ASC") 606, Revenue from Contracts with Customers, the Company disaggregates revenue from contracts with customers into revenue streams, which most closely depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.
Three Months Ended June 30,
Six Months Ended June 30,
(In thousands)2026202520262025
Subscription
$258,035 $210,678 $508,943 $401,665 
Advertising
21,052 20,603 41,666 38,485 
Duolingo English Test
10,109 10,088 21,426 22,074 
IAPs
8,002 10,390 16,448 19,832 
Other
1,256 506 1,938 952 
Total revenues
$298,454 $252,265 $590,421 $483,008 

Three service providers, Apple, Google, and Stripe processed 59.6%, 23.2%, and 11.9%, and 59.9%, 23.1%, and 11.7%, respectively, of total revenues for the three and six months ended June 30, 2026, respectively. Two service providers Apple and Google processed 61.6% and 23.9%, and three service providers, Apple, Google, and Stripe processed 61.3%, 23.6% and 10.4%, respectively, of total revenues for the three and six months ended June 30, 2025, respectively.
Deferred revenue consists of payments received in advance of revenue recognition, and is mostly related to time-based subscriptions, which will be recognized into revenue over the course of the upcoming year (recognized over 12 months or less). Additionally, the Duolingo English Test has deferred revenue related to tests that have been purchased, but will not be recognized until the tests have been proctored. Changes in deferred revenues were as follows:
Six Months Ended June 30,
(In thousands)20262025
Beginning balance—January 1$496,205 $372,884 
Amount from beginning balance recognized into revenue(354,694)(262,611)
Deferral of revenue551,689 496,605 
Amount recognized from current period deferrals(188,098)(175,701)
Ending balance—June 30$505,102 $431,177