500,000+ marathon graduates · 270+ cohorts · record sales event ~$600,000 · 6 years in Leeloo tunnels
“When we launch something new, the first thing we do is build it in Leeloo. A mini-landing, a funnel, and so on. We don't even consider sending traffic to a website. Over 6 years we've never run a single ad campaign to a website.”Alexey Dudchenko, co-founder of StudyLess
THE BUSINESS
StudyLess is an online English school running since 2019. The format: a free marathon delivered through a chatbot, then a full course with level-based learning and a scholarship model. The school has run more than 270 marathon cohorts of 2,000–5,000 participants each. By the co-founder's estimate, StudyLess is a top 3 to top 5 English school in Ukraine.
BEFORE LEELOO
The school started in 2019 with $500 in capital (Alexey adds: «well, a thousand dollars»). The money went into Google Ads. One customer came in, bought a year of lessons for 40,000 hryvnia and asked for a refund a week later. Marketing and sales skills from e-commerce did not work in education. The school had no tool that paid back its ads and let it grow.
WHAT WAS BUILT
Alexey built the first Leeloo tunnel himself: a paid $5 marathon. $500 went into ads, the marathon sold $700 worth of tickets, and some participants went on to buy the main course. Then the same chatbot funnel was relaunched with a free marathon: instead of roughly 150 people per cohort, 1,500 came in. Since then every new launch starts in Leeloo: a mini-landing, a funnel, a message sequence. For sales events the school runs chatbot quests: chunks of content with answer options, attribute collection and a prize at the end. Part of the Leeloo traffic was redirected to a partner's Instagram account.
THE RESULTS
In 6 years the school has not found a higher-converting tool than the marathon running through a chatbot and a Leeloo tunnel. The ad budget grew from $500 a week to $100,000 a month on paid traffic, then was cut in half, and ROMI improved. Alexey says the school uses about 5% of the platform's capabilities, and that was enough to reach the market's top 5.
- 500,000+ Ukrainians completed the marathon in 6 years (co-founder's estimate)
- 270+ marathon cohorts of 2,000–5,000 participants each
- ~$600,000 in a record sales event run as a gamified chatbot quest (co-founder's estimate)
- 150 → 1,500 people per cohort after switching the same funnel to a free marathon
- ~200,000 followers on a partner's Instagram account from Leeloo traffic
WATCH THE FULL STORY

QUESTIONS
- What results did StudyLess get with Leeloo.ai?
- More than 500,000 Ukrainians completed the marathon, 270+ cohorts were run, and a record sales event brought about $600,000 (co-founder's estimates). For all 6 years StudyLess has sent ads only to Leeloo.ai tunnels, never to a website.
- What exactly did StudyLess build on Leeloo.ai?
- A marathon tunnel through a chatbot: first a paid $5 version, then a free one. A mini-landing, a message sequence, quests for sales events, traffic redirection to Instagram. StudyLess has set everything up on its own since 2019.
- Why does StudyLess not send ads to a website?
- The co-founder's reasoning: a lead in a chatbot stays reachable, so if an offer did not land at once, you can message them two weeks later. Someone who closed a website is gone. His estimate: up to 45% enter a Leeloo.ai chatbot versus a nominal 5% for a website.
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Results of a specific project. Individual results vary.