Megastudy vs Woongjin Thinkbig
Megastudy holds the stronger position because it is still turning a profit while Woongjin Thinkbig has swung into an operating loss, and its lecturer-driven content is harder for AI or rivals to replace.
Megastudy
South Korea's largest online exam-prep video platform for school students
Woongjin Thinkbig
Korean publisher selling home-tutoring kits and digital learning programs for kids
Dimension by dimension
| Dimension | Megastudy | Woongjin Thinkbig |
|---|---|---|
| Staying power of the core product | Built around star CSAT lecturers whose reputation and results are hard to substitute with a generic app. | Sells home-learning workbooks and tutoring subscriptions that overlap heavily with free AI alternatives now on the market. |
| Exposure to AI absorbing the product | AI only partly replicates what Megastudy offers, since star lecturer instruction is a different experience than a chatbot. | AI is likely to absorb most of what Woongjin Thinkbig sells, since workbook drills and basic tutoring are exactly what free AI tools now do. |
| How easily a giant could copy them | A big tech or ed-tech player copying Megastudy is only possible, not easy, since it would need to recruit comparable star lecturers. | A giant copying Woongjin Thinkbig is likely, since workbook and basic tutoring content is straightforward to replicate at scale. |
| Pressure from rivals | Faces free AI tutoring apps like OpenAI Study Mode and QANDA plus a shrinking pool of Korean students. | Faces Daekyo's expansion and EBS's free AI-English platform DANCHOO+ pulling families toward no-cost options. |
| Financial footing | FY2025 revenue fell 6.1% to KRW884.9bn but operating income held at KRW121.0bn, only down 2.1%. | FY2025 revenue was 797.36 billion won but the company posted an operating loss of 10.46 billion won, a reversal from a 9.25 billion won profit the year before. |
| Overall business strength | Still generating positive operating income of KRW121.0bn in FY2025 despite falling enrollment. | Swung to an operating loss of 10.46 billion won in FY2025, reversing the prior year's profit. |
Questions people ask
- Which company is more exposed to free AI tutoring apps, Megastudy or Woongjin Thinkbig?
- Woongjin Thinkbig is more exposed, since AI is rated likely to absorb its workbook and tutoring business. Megastudy is only partly exposed because its star lecturer model is harder for an app to replicate.
- Is Megastudy still profitable despite falling student numbers in Korea?
- Yes. Megastudy's FY2025 revenue fell 6.1% year over year, but operating income only dropped 2.1% to KRW121.0bn, showing the company is holding onto profit even as demand softens.
- Did Woongjin Thinkbig make money in 2025?
- No. Woongjin Thinkbig posted an operating loss of 10.46 billion won in FY2025, a reversal from the 9.25 billion won operating profit it recorded in FY2024.
- Which company would be easier for a big tech firm to copy, Megastudy or Woongjin Thinkbig?
- Woongjin Thinkbig would be easier to copy, since its workbook and subscription tutoring content is rated likely to be replicated by a giant. Megastudy's model, tied to specific star lecturers, is only rated possible to copy.
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