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REVENUE | 6 Months Ended
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Jun. 30, 2025
Revenue from Contract with Customer [Abstract] |
REVENUE | REVENUE Disaggregation of Revenue In accordance with 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) | 2025 |  | 2024 |  | 2025 |  | 2024 |  |
Revenues: |  |  |  |  |  |  |  |  |
Subscription | $ | 210,678 |  |  | $ | 143,909 |  |  | $ | 401,665 |  |  | $ | 275,597 |  |  |
Other (1) | 41,587 |  |  | 34,418 |  |  | 81,343 |  |  | 70,283 |  |  |
Total revenues | $ | 252,265 |  |  | $ | 178,327 |  |  | $ | 483,008 |  |  | $ | 345,880 |  |  |
________________ (1) Other revenue is comprised of the below.
| Three Months Ended June 30, |  | Six Months Ended June 30, |
(In thousands) | 2025 |  | 2024 |  | 2025 |  | 2024 |  |
Advertising | $ | 20,603 |  |  | $ | 13,258 |  |  | $ | 38,485 |  |  | $ | 26,210 |  |  |
Duolingo English Test | 10,088 |  |  | 10,698 |  |  | 22,074 |  |  | 23,453 |  |  |
In-App Purchases | 10,390 |  |  | 10,176 |  |  | 19,832 |  |  | 20,100 |  |  |
Other | 506 |  |  | 286 |  |  | 952 |  |  | 520 |  |  |
Total other revenue | $ | 41,587 |  |  | $ | 34,418 |  |  | $ | 81,343 |  |  | $ | 70,283 |  |  |
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% of total revenues for the three and six months ended June 30, 2025, respectively. Three services providers, Apple, Google, and Stripe processed 60.7%, 23.7%, and 11.2%, and 60.0%, 23.7% and 12.0% of total revenues for the three and six months ended June 30, 2024, respectively. Deferred revenue mostly 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) | 2025 |  | 2024
Beginning balance—January 1 | $ | 372,884 |  |  | $ | 249,192 |
Amount from beginning balance recognized into revenue | (262,611) |  |  | (176,854) |
Recognition of deferred revenue | (175,701) |  |  | (121,625) |
Deferral of revenue | 496,605 |  |  | 340,764 |
Ending balance—June 30 | $ | 431,177 |  |  | $ | 291,477 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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