Financial Data and Key Metrics Changes - The company reported a 40% year-over-year growth in Daily Active Users (DAUs) for Q2, which is a decrease from the 60% growth in the same quarter last year [10][11] - The company raised its full-year guidance due to record profitability and strong top-line growth [5] Business Line Data and Key Metrics Changes - The percentage of subscribers using the Max subscription increased from 5% to 8% over the past few quarters, indicating growth in this segment [20][21] - The Super subscription is performing better than expected, contributing to the slower growth of Max [21] Market Data and Key Metrics Changes - The Chinese market is identified as the fastest-growing market for the company, with successful partnerships, such as with Luckin Coffee, enhancing brand visibility [15][16] - The company has not yet launched its Max feature in China due to regulatory constraints [16][17] Company Strategy and Development Direction - The company is investing in new areas such as chess, math, and music, which are expected to drive long-term growth [5] - The company plans to start spending on marketing in the U.S. to counteract slower growth rates compared to other markets [120][122] Management's Comments on Operating Environment and Future Outlook - Management acknowledged a temporary slowdown in DAU growth due to social media sentiment issues but expressed confidence in future recovery [12][96] - The company is optimistic about the impact of new features like the energy system, which has shown positive effects on user engagement and revenue [66][78] Other Important Information - The company is testing a web purchase flow to bypass the App Store, which could significantly increase profit margins [25][27] - The energy system has replaced the previous hearts mechanic, leading to increased daily active users and time spent on the app [66][78] Q&A Session Summary Question: Can you break down the primary drivers behind DAU growth moderation? - Management noted that DAU growth was 40%, slightly lower than expected due to negative social media sentiment, which has since improved [10][12] Question: Can you provide an update on the Max subscription? - The Max subscription has grown to 8% of total subscribers, but its growth was slower than expected due to challenges for beginner users [20][21][22] Question: What are the early learnings from the energy system? - The energy system has increased DAUs and revenue by rewarding users for correct answers rather than penalizing mistakes [66][78] Question: How is the company addressing engagement issues in the U.S.? - Management plans to start spending on marketing in the U.S. to improve engagement, as historical growth has been strong without marketing efforts [120][122] Question: What is the outlook for the Duolingo English Test? - The company expects lower demand for the Duolingo English Test due to macro trends affecting international student applications [95][96] Question: How is the video call feature performing? - The video call feature is seeing increased engagement, particularly among English learners, and improvements are being made to enhance user experience [90][108]

Investment Rating - The report gives a "Buy" rating for the stock, expecting a relative return of over 20% within six months [10]. Core Insights - Duolingo's Q4 revenue reached $210 million, a 39% year-over-year increase, slightly exceeding Bloomberg consensus estimates [1]. - The net profit for Q4 was $13.9 million, up from $12.1 million year-over-year, but below Bloomberg consensus expectations of $23.7 million [1]. - The total bookings amounted to $272 million, a 42% year-over-year increase, surpassing Bloomberg estimates [1]. - The company is focusing on increasing the adoption of family plans and Duolingo Max to drive average revenue per user (ARPU) growth [2]. Summary by Sections Financial Performance - Q4 revenue: $210 million, up 39% YoY, slightly above expectations [1] - Q4 net profit: $13.9 million, up from $12.1 million YoY, below expectations [1] - Operating cash flow: $83.3 million, up from $49.2 million YoY [1] - Q1 revenue guidance: $221-224 million, a YoY growth of 31.6%-33.4% [3] User Metrics - Q1 daily active users (DAU): 40.5 million, a 51% YoY increase [2] - Q1 monthly active users (MAU): 117 million, a 32% YoY increase [2] - Paid users: 9.5 million, a 43% YoY increase [2] Product Development - Duolingo Max currently covers a majority of DAU, accounting for about 5% of total subscribers [3] - The introduction of video call features has improved user engagement [3] - The company is investing in AI to enhance user experience and expand course content [3] Future Outlook - The company expects significant growth in bookings from Duolingo Max by 2025, despite initial AI cost pressures on gross margins [3] - Long-term growth is supported by the efficiency revolution driven by AI in content production [4]