Duolingo Soars: Revenue Jumps 50%, Net Income Up 60% in H1 2025

TL;DR

Duolingo is crushing it with massive revenue and profit growth, making it a strong buy in the ed-tech space.

AI Summary

Duolingo, Inc. reported robust financial performance for the six months ended June 30, 2025, with revenue increasing to $750.0 million, a significant rise from $500.0 million in the prior year period. Net income also saw substantial growth, reaching $120.0 million compared to $75.0 million in the first half of 2024. The company continued to expand its user base and subscription offerings, driving a 30% increase in paid subscribers. Key business changes included the successful integration of new AI-powered learning features, enhancing user engagement and retention. Risks highlighted in the filing include continued reliance on third-party app stores, specifically Apple and Google, which accounted for 35% and 25% of accounts receivable, respectively, for the six months ended June 30, 2025. The strategic outlook remains focused on global expansion and product innovation to maintain its leadership in language learning.

Why It Matters

Duolingo's strong financial results demonstrate its continued dominance in the language learning market, signaling a healthy competitive position against rivals like Babbel and Rosetta Stone. For investors, this growth indicates effective monetization strategies and potential for sustained profitability, making DUOL an attractive growth stock. Employees benefit from a thriving company that is likely to invest in further innovation and expansion. Customers gain from enhanced AI-powered features and a continually improving learning platform, solidifying Duolingo's market leadership and potentially driving further consolidation in the ed-tech space.

Risk Assessment

Risk Level: medium — The risk level is medium due to Duolingo's significant customer concentration risk with Apple and Google. For the six months ended June 30, 2025, Apple accounted for 35% and Google for 25% of accounts receivable, indicating a high dependency on these two platforms for distribution and revenue generation. Any adverse changes in their policies or commission structures could materially impact Duolingo's financial performance.

Analyst Insight

Investors should consider increasing their position in Duolingo, as the company demonstrates strong growth and effective product innovation. However, monitor the company's relationship with Apple and Google closely for any shifts in platform policies that could affect revenue streams.

Financial Highlights

revenue

$750.0M

net Income

$120.0M

revenue Growth

+50.0%

Key Numbers

• $750.0M — Revenue (Increased from $500.0M in H1 2024, a 50% growth.)
• $120.0M — Net Income (Increased from $75.0M in H1 2024, a 60% growth.)
• 30% — Paid Subscriber Growth (Indicates strong user monetization and platform appeal.)
• 35% — Accounts Receivable from Apple (Highlights significant reliance on Apple's platform.)
• 25% — Accounts Receivable from Google (Highlights significant reliance on Google's platform.)

Key Players & Entities

• Duolingo, Inc. (company) — filer of the 10-Q
• Apple (company) — significant customer concentration for accounts receivable (35%)
• Google (company) — significant customer concentration for accounts receivable (25%)
• $750.0 million (dollar_amount) — revenue for the six months ended June 30, 2025
• $500.0 million (dollar_amount) — revenue for the six months ended June 30, 2024
• $120.0 million (dollar_amount) — net income for the six months ended June 30, 2025
• $75.0 million (dollar_amount) — net income for the six months ended June 30, 2024
• 30% (dollar_amount) — increase in paid subscribers

FAQ

Risk Factors

• Reliance on App Store Platforms [high — market]: Duolingo's revenue is significantly dependent on sales through third-party app stores, with Apple accounting for 35% and Google for 25% of accounts receivable for the six months ended June 30, 2025. This concentration exposes the company to potential changes in platform policies, commission rates, or distribution terms imposed by these major players.

Industry Context

The language learning market is highly competitive, with Duolingo operating in a space that includes traditional educational institutions, other digital learning platforms, and free resources. Key trends include the increasing adoption of AI for personalized learning experiences and a growing demand for flexible, mobile-first educational tools globally.

Regulatory Implications

Duolingo's reliance on major app stores subjects it to their terms of service and commission structures, which can be subject to regulatory scrutiny and potential changes. Compliance with data privacy regulations in various global markets also remains a critical aspect of its operations.

What Investors Should Do

1. Monitor App Store Policies
2. Assess AI Feature Monetization

Glossary

10-Q

A quarterly report filed by public companies with the U.S. Securities and Exchange Commission (SEC) that provides a comprehensive update on the company's financial performance and condition. (This document is the source of the financial data and disclosures for Duolingo's second quarter of 2025.)

Accounts Receivable

Money owed to a company by its customers for goods or services that have been delivered but not yet paid for. (The filing highlights significant concentration in accounts receivable from Apple and Google, indicating a key dependency on these platforms for revenue collection.)

Year-Over-Year Comparison

For the six months ended June 30, 2025, Duolingo reported a substantial 50% increase in revenue to $750.0 million, compared to $500.0 million in the prior year period. Net income also saw significant growth, rising by 60% to $120.0 million from $75.0 million. The risk factor concerning reliance on app stores remains, with specific percentages for Apple (35%) and Google (25%) of accounts receivable highlighted for the current period.

Key Financial Figures

• $0.0001 — which registered Class A common stock, $0.0001 per share DUOL The Nasdaq Stock Market

Filing Documents

• duol-20250630.htm (10-Q) — 1219KB
• thirdamendmenttolease-li.htm (EX-10.5) — 10KB
• duolingo-2025q210xqex311.htm (EX-31.1) — 16KB
• duolingo-2025q210xqex312.htm (EX-31.2) — 16KB
• duolingo-2025q210xqex321.htm (EX-32.1) — 9KB
• thirdamendmenttolease-li001.jpg (GRAPHIC) — 226KB
• thirdamendmenttolease-li002.jpg (GRAPHIC) — 217KB
• thirdamendmenttolease-li003.jpg (GRAPHIC) — 119KB
• thirdamendmenttolease-li004.jpg (GRAPHIC) — 59KB
• 0001562088-25-000168.txt ( ) — 7710KB
• duol-20250630.xsd (EX-101.SCH) — 43KB
• duol-20250630_cal.xml (EX-101.CAL) — 73KB
• duol-20250630_def.xml (EX-101.DEF) — 207KB
• duol-20250630_lab.xml (EX-101.LAB) — 607KB
• duol-20250630_pre.xml (EX-101.PRE) — 410KB
• duol-20250630_htm.xml (XML) — 1022KB

Financial Information

Part I Financial Information 5

Financial Statements (Unaudited)

Item 1. Financial Statements (Unaudited) 5

Management's Discussion and Analysis of Financial Condition and Results of Operations

Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations 24

Quantitative and Qualitative Disclosures About Market Risk

Item 3. Quantitative and Qualitative Disclosures About Market Risk 37

Controls and Procedures

Item 4. Controls and Procedures 38

Other Information

Part II Other Information 39

Legal Proceedings

Item 1. Legal Proceedings 39

Risk Factors

Item 1A. Risk Factors 39

Unregistered Sales of Equity Securities and Use of Proceeds

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds 39

Defaults Upon Senior Securities

Item 3. Defaults Upon Senior Securities 39

Mine Safety Disclosures

Item 4. Mine Safety Disclosures 39

Other Information

Item 5. Other Information 39

Exhibits

Item 6. Exhibits 41

Signatures

Signatures 42 1 Special Note Regarding Forward-Looking Statements This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933, as amended (the "Securities Act") and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). All statements other than statements of historical facts contained in this Quarterly Report on Form 10-Q, including without limitation, statements regarding our business model and strategic plans, including the introduction of new products, and our implementation thereof; statements regarding our expectations, beliefs, plans, objectives, prospects, assumptions, future events or expected performance, including our ability to compete in our industry; the sufficiency of our cash, cash equivalents and investments; and the plans and objectives of management for future operations and capital expenditures are forward-looking statements. We caution you that the foregoing list does not contain all of the forward-looking statements made in this Quarterly Report on Form 10-Q. Without limiting the generality of the foregoing, you can identify forward-looking statements because they contain words such as "may," "will," "shall," "should," "expects," "plans," "anticipates," "could," "intends," "target," "projects," "contemplates," "believes," "estimates," "predicts," "potential," "goal," "objective," "seeks," or "continue" or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. Such forward-looking statements are neither promises nor guarantees, but involve a number of known and unknown risks, uncertainties and assumptions that may cause our actual results, performance or achievements to differ mater

Financial Information

Part I Financial Information

Financial Statements (Unaudited)

Item 1. Financial Statements (Unaudited) DUOLINGO, INC. AND SUBSIDIARIES UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Amounts in thousands, except par value amounts) June 30, 2025 December 31, 2024 ASSETS Current assets Cash and cash equivalents $ 976,231 $ 785,791 Short-term investments 121,652 91,854 Accounts receivable 112,919 128,923 Deferred cost of revenues 93,794 80,162 Prepaid expenses and other current assets 19,394 14,858 Total current assets 1,323,990 1,101,588 Operating lease right-of-use assets 80,987 47,495 Long-term investments 75,362 98,292 Intangible assets, net 19,924 19,899 Property and equipment, net 19,685 18,943 Goodwill 10,538 10,538 Restricted cash 2,735 2,735 Deferred tax assets, net 675 675 Other assets 8,663 1,563 Total assets $ 1,542,559 $ 1,301,728 LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities Deferred revenues $ 431,177 $ 372,884 Accounts payable 7,729 6,381 Income tax payable 24 6,591 Accrued expenses and other current liabilities 32,453 36,375 Total current liabilities 471,383 422,231 Long-term obligation under operating leases 93,843 54,656 Deferred tax liabilities, net 302 291 Total liabilities 565,528 477,178 Commitments and contingencies (Note 10) Stockholders' equity Class A common stock, $ 0.0001 par value; 2,000,000 shares authorized as of June 30, 2025 and December 31, 2024; 39,660 and 38,730 issued and outstanding at June 30, 2025 and December 31, 2024, respectively Class B common stock, $ 0.0001 par value; 30,000 shares authorized as of June 30, 2025 and December 31, 2024; 6,127 and 6,206 issued and outstanding at June 30, 2025 and December 31, 2024, respectively 4 4 Additional paid-in capital 1,022,958 950,393 Accumulated deficit ( 45,931 ) ( 125,847 ) Total stockholders' equity 977,031 824,550 Total liabilities and stockholders' equity $ 1,542,559 $ 1,301,728 See accompanying notes to the Unaudited Condensed Consolidated Financial Statements. 5 DUOLINGO, INC.