quietmoneyMigaku
A language learning tool that uses a browser extension and a mobile app to turn unknown words from Netflix, YouTube and web content into flashcards in one click.
A tool company One-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout visits over time
| Checkout | 4–6 months ago avg | 3 months ago | 2 months ago | Last month |
|---|---|---|---|---|
| checkout.stripe.com | 7,867 | 17,297 | 0 | 12,894 |
| invoice.stripe.com | 371 | 0 | 29 | 1,994 |
1. Productwhat it sells, to whom, and how it charges
- Product
- A language learning tool that uses a browser extension and a mobile app to turn unknown words from Netflix, YouTube and web content into flashcards in one click.
- Users
- People teaching themselves Japanese, Chinese, Korean and other languages through native-language shows and films
- Positioning
- Learn languages through real video content, combined with Anki-style spaced repetition
- Pricing
- USD 10/month; USD 15/month (Early Access); USD 499 one-time lifetime Billing: mixed Free tier: no Source: Existing
- Prices on site
- USD 10/month; USD 15/month (Early Access) (mixed)
- Team
- small team
- Acquisition entry points on site
- Discord community, app store
“'Join our active Discord community!' (21,781 members); 'our 10-day free trial. No credit card required'; 'we are a ~30 person team'”Quote from the site
2. Channelswhere new users come from and what the traffic looks like
New-user source: SEO (Non-brand search). Direct 50.4%, search 42.6%, social 7.1% (YouTube, Facebook, Reddit); non-brand search about 17%, from long-tail terms like '住所 英語 変換' and 'th sonido en ingles nombre'. There is also a Discord community, and referrals include simplycodes.com 1.6% (a coupon code site).
Last month's traffic sources
Semrush source breakdown (desktop)
Five-class attribution
| Attributable new users, last month | Share |
|---|---|
| SEO | 17% |
| 7% | |
| Other | 76% |
Direct + brand search 76%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
Countries
| Country | Share of visits |
|---|---|
| United States | 32.75% |
| Japan | 6.56% |
| Italy | 5.18% |
| Vietnam | 4.05% |
| Australia | 4.05% |
Countries (Semrush): United States 36.4%, Japan 13.3%, United Kingdom 8.0%, Canada 5.8%, Australia 4.2%
Language
Mostly English, plus Japanese and Spanish
Social sources
YouTube, Facebook, Reddit
AI assistants
| Source | Share |
|---|---|
| ChatGPT | 0.14 |
| Claude | 0.12 |
| Gemini | 0.1 |
AI referrals (Semrush): ChatGPT 758 (0.14%), Claude 652 (0.12%), Gemini 512 (0.10%), Perplexity 95 (0.02%)
Keywords
15.8K keywords · brand ~76% · organic 95.16% / paid 4.84%
| Similarweb top 5 keywords |
|---|
| migaku |
| 住所 英語 変換 |
| migaku extension |
| migaku anki |
| th sonido en ingles nombre |
Non-brand queries: 住所 英語 変換, th sonido en ingles nombre
Referring sites
8 referring sites
| Site | Share of referrals |
|---|---|
| eastbourne-college.co.uk | 1.68% |
| simplycodes.com | 1.6% |
| theresanaiforthat.com | 0.37% |
Referrer categories
| Category | Share of referrals |
|---|---|
| Dictionaries and Encyclopedias | 20.37% |
| Programming and Developer Software | 5.12% |
| Computers Electronics and Technology - Other | 2.74% |
| Digital Marketing | 1.6% |
| Computer Security | 0.22% |
Site metrics (Similarweb, last month)
- Visits, last 3 months
- 780.1K (3 months)
- Visits MoM
- -4.5%
- Country rank
- United States #39531
- Category rank
- Reference Materials/Dictionaries and Encyclopedias #69
- Bounce rate
- 42.92%
- Pages / visit
- 3.29
- Visit duration
- 00:03:10
- Industry
- Dictionaries and Encyclopedias
- Top 3 channels
- Direct › Organic Search › Referrals (top channel 50.58%)
- Semrush monthly visits
- 3 months ago 614,106 · 2 months ago 714,604 · Last month 531,686 Semrush scale, ~3–4× Similarweb
- Semrush organic / paid search visits
- 401,142 / 70
- Semrush source breakdown (desktop)
- Direct 45.5%, google.com · Google organic 36.9%, youtube.com 5.2%, bing.com 1.5%, reddit.com 1.1%
3. Growth pathhow the first users arrived and what kept it growing
Classification
Basics
Timeline
Growth loop
Revenue and scale clues
Confidence and gaps
Other sites that started via “Existing audience”
Similar sitessame category, also growing via SEO
FAQ
How many checkout visits does Migaku get per month?
About 14,888 last month (Similarweb estimate), #207 of 606; the month before was 29. Opening checkout is not paying, so this is not revenue.
Where do Migaku's new users come from?
New-user source: SEO (Non-brand search). New users mostly come from need-based searches Direct 50.4%, search 42.6%, social 7.1% (YouTube, Facebook, Reddit); non-brand search about 17%, from long-tail terms like '住所 英語 変換' and 'th sonido en ingles nombre'. There is also a Discord community, and referrals include simplycodes.com 1.6% (a coupon code site).
How much does Migaku cost?
USD 10/month; USD 15/month (Early Access); USD 499 one-time lifetime
Dossier confidence: high. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.
The number: checkout visits is Similarweb's estimate of visits from the site to a checkout payment page; opening checkout is not paying, so this is not revenue. Small sites land on fixed buckets.
Data through last month. Page updated 2026-10-26.