DUOL Revenue Flow Filed revenue amounts for 2026-04-01 to 2026-06-30. Coverage is partial. Unconnected amounts are separate disclosures; they must not be added together.
2026-06-30: Revenue $298.45M ; Cost of revenue $81.71M ; Research and development $92.19M ; Operating expenses $182.79M . 2026-03-31: Revenue $291.97M ; Cost of revenue $78.87M ; Research and development $82.97M ; Operating expenses $168.57M . 2025-12-31: Revenue $282.87M* ; Cost of revenue $77.00M* ; Research and development $79.56M* ; Operating expenses $162.41M* . 2025-09-30: Revenue $271.71M ; Cost of revenue $74.80M ; Research and development $82.71M ; Operating expenses $161.75M . Product or service Separate filed amounts; connecting flows are not established. Components and totals may overlap.
DUOL revenue flow Filed amounts. Only explicit calculation relationships connect amounts; dimensional membership alone does not establish an additive flow. English Test $10.11M In App Purchases $8.00M Advertising $21.05M License And Service $258.04M Product And Service Other $1.26M Revenue $298.45M Cost of revenue $81.71M Gross profit $216.74M Operating expenses $182.80M Operating income $33.94M Research & development $92.20M Pre-tax income $45.37M Income tax $12.21M Net income $33.16M
Finer product or service dollar figures and nonoverlapping groupings are shown only where supported by the retained filing evidence. Growth percentages are never converted to revenue dollars.
Historical revenue and expense breakdown Revenue and expense 3 month Period end Revenue Cost of revenue Research and development Operating expenses Income tax Net income 2026-06-30 $298.45M $81.71M $92.19M $182.79M $12.21M $33.16M 2026-03-31 $291.97M $78.87M $82.97M $168.57M $12.09M $43.46M 2025-12-31 $282.87M* $77.00M* $79.56M* $162.41M* $12.55M* $41.96M* 2025-09-30 $271.71M $74.80M $82.71M $161.75M -$245.75M $292.19M 2025-06-30 $252.26M $69.68M $73.67M $149.22M $1.67M $44.78M 2025-03-31 $230.74M $66.65M $70.39M $140.50M -$125.00K $35.13M 2024-09-30 $192.59M $52.18M $62.88M $126.84M $2.03M $23.36M 2024-06-30 $178.33M $47.35M $55.15M $112.28M $4.36M $24.35M 2024-03-31 $167.55M $45.19M $50.88M $105.92M -$1.10M $26.96M 2023-09-30 $137.62M $36.25M $50.30M $106.04M $125.00K $2.81M 2023-06-30 $126.84M $33.79M $47.95M $97.92M -$1.31M $3.73M 2023-03-31 $115.66M $31.49M $45.84M $92.69M -$116.00K -$2.58M 2022-09-30 $96.06M $26.30M $41.98M $89.92M $53.00K -$18.45M 2022-06-30 $88.39M $23.87M $34.22M $79.55M $141.00K -$15.04M 2022-03-31 $81.22M $21.49M $29.78M $71.58M $28.00K -$12.15M 2021-09-30 $63.59M $18.08M $29.34M $74.22M $51.00K -$28.97M 2021-06-30 $58.80M $16.14M $21.94M $43.14M $1.00K -$176.00K 2021-03-31 $55.36M $15.02M $22.53M $53.76M $17.00K -$176.00K 2020-09-30 $45.30M $13.10M $15.89M $35.27M $23.00K -$3.18M 2020-06-30 $40.01M $11.81M $12.11M $28.12M $11.00K $40.00K
Revenue and expense 6 month Period end Revenue Cost of revenue Research and development Operating expenses Income tax Net income 2026-06-30 $590.42M $160.59M $175.17M $351.36M $24.30M $76.62M 2025-06-30 $483.01M $136.33M $144.06M $289.72M $1.54M $79.92M 2024-06-30 $345.88M $92.54M $106.03M $218.20M $3.26M $51.31M 2023-06-30 $242.50M $65.28M $93.79M $190.60M -$1.43M $1.14M 2022-06-30 $169.61M $45.36M $64.00M $151.13M $169.00K -$27.20M 2021-06-30 $114.16M $31.16M $44.47M $96.90M $18.00K -$13.65M 2020-06-30 $68.12M $20.02M $21.69M $50.47M $22.00K -$2.19M
Revenue and expense 9 month Period end Revenue Cost of revenue Research and development Operating expenses Income tax Net income 2025-09-30 $754.72M $211.13M $226.77M $451.47M -$244.20M $372.11M 2024-09-30 $538.47M $144.72M $168.90M $345.04M $5.29M $74.67M 2023-09-30 $380.12M $101.53M $144.10M $296.64M -$1.31M $3.95M 2022-09-30 $265.67M $71.66M $105.97M $241.05M $222.00K -$45.64M 2021-09-30 $177.76M $49.23M $73.81M $171.12M $69.00K -$42.62M 2020-09-30 $113.43M $33.12M $37.58M $85.74M $45.00K -$5.37M
Revenue and expense 12 month Period end Revenue Cost of revenue Research and development Operating expenses Income tax Net income 2025-12-31 $1.04B $288.13M $306.32M $613.89M -$231.66M $414.07M 2024-12-31 $748.02M $203.65M $235.30M $481.78M $13.73M $88.28M 2023-12-31 $531.11M $142.10M $194.35M $402.26M $1.71M $16.07M 2022-12-31 $369.50M $99.43M $150.44M $335.26M $938.00K -$59.57M 2021-12-31 $250.77M $69.19M $103.83M $241.59M $177.00K -$60.13M 2020-12-31 $161.70M $45.99M $53.02M $131.72M $68.00K -$15.78M