Japanese AI Flashcards
Japanese AI flashcard
In plain English
Japanese learners can practice with flashcards that AI helps build from their own material. The tool also makes practice questions, short explanations, and a study plan, so the cards match what that person is trying to remember. They can start free and pay a student-friendly subscription when they want more, because a language sticks only with regular practice. The AI does most of the card making and the billing. The person running the site still checks quality, helps learners, and reaches them through search and student groups.
~$796 MRR; $724 verified revenue last 30 days (TrustMRR/Stripe, Oct 26, 2026)
Operator: Yuma Ueno｜AI, Tech
Revenue independently checked: documents reviewed by a publication, or a public dashboard.
Not disclosed.
The tool stack
Payments
OpenAI API ↗LLM / vision
Next.js ↗Web app framework
Prices are the vendors' published list prices as researched in Oct 2026 and change often — always check the vendor's pricing page.
Step-by-step setup
- Turn the learner's own material into practice.
- Generate questions, explanations and study plans.
- Freemium with student-friendly subscriptions.
- Grow via SEO and student communities.
What's automated vs. the human 15%
The machine does
- Core AI generation/analysis
- Billing and onboarding
You still do
- Product quality and support
- Distribution and marketing
- Compliance and edge cases
Overview
Japanese AI flashcard
Operator: Yuma Ueno｜AI, Tech. Category on TrustMRR: Education. Founded: 2023-05-13. Website: https://www.onigiri-anki.com/
Realistic income
TrustMRR (checked Oct 26, 2026) shows about $796 MRR and $724 in Stripe-verified revenue over the last 30 days, $13,219 verified over its tracked history. This is one operator’s result, often after months or years of work, and doesn’t predict yours. Check the live listing — numbers change.
Risks
- Must support learning, not academic dishonesty.
- Seasonal usage around exams.
- Startup cost and time to first dollar are not disclosed.
*Income figures are illustrative ranges based on public pricing and typical outcomes reported by practitioners, not guarantees. Most new online businesses earn little or nothing at first. Not financial, legal or tax advice.
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