Fast-Growing AI Learning Platform Gizmo Secures $22M Series A Funding to Expand U.S. Footprint

When Gizmo first launched in 2021, it introduced a novel AI-powered concept for learning: turning students’ personal class notes into customized, interactive study resources. Today, just three years after its debut, the platform has attracted more than 13 million users across over 120 countries worldwide. That marks a staggering, exponential jump from the 300,000-plus users the platform counted the last time TechCrunch covered the tool in 2023.

As Gizmo’s user adoption has skyrocketed, investor interest has followed closely behind. The company officially announced this week that it has closed $22 million in new Series A funding, per a public statement released Tuesday.

The fresh capital will be allocated to two core growth priorities: expanding Gizmo’s engineering and AI development teams, and growing the platform’s footprint in the competitive U.S. college education market, according to CEO Petros Christodoulou. Prior to closing this funding round, the entire Gizmo operation was run by just seven employees; the company now plans to scale its total headcount to roughly 30 staff, Christodoulou told TechCrunch in an interview.

Gizmo’s rapid momentum comes at a pivotal moment of shifting student behavior and declining educational outcomes. According to the 2025 National Assessment of Educational Progress, academic performance across the U.S. has hit an all-time historic low. Multiple prior studies have named excessive screen time and shrinking average attention spans as key contributing factors to this drop.

With most young learners already spending hours daily on entertainment-focused platforms like TikTok and YouTube, one of the biggest ongoing challenges for edtech startups is retaining consistent user engagement. Gizmo’s core hypothesis is that gamified learning is the solution to this gap.

Built specifically for teenagers and young adult learners, Gizmo credits its growing appeal to intentional use of game mechanics to drive regular use. Features including competitive leaderboards, learning streaks, a limited daily "life" system for incorrect answers, and the ability to challenge friends to study duels are all designed to encourage users to return to the platform daily.

Gizmo is not the only micro-learning platform to gain user traction in recent years. Established tools like Anki, Quizlet, and Nibble have long held loyal user bases, while newer competitors including Yuno and Knowt have also launched, all working to redirect young people’s existing screen time habits toward productive learning. Even so, Gizmo’s ability to attract such a massive user base just a few years after launch is notable across the sector. For context, rival Yuno reports roughly 1 million total app downloads, while Knowt counts a user base of more than 7 million.

Gizmo’s latest Series A round is led by Shine Capital, with participation from Ada Ventures, Seek Investments, GSV, and NFX. NFX has an existing tie to the startup: the firm previously led Gizmo’s $3.5 million seed funding round.