Sells Ray, a solar-powered health band: 7 grams, no screen, charges in sunlight, tracks sleep, steps and heart rate, no subscription.
San Francisco hOne-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout: checkout.stripe.com
“One-time purchase, no subscription ever; Batch 2 sold out; We'll send you a code — use it at checkout”Quote from the site
New-user source: Other (Direct / referral / email / paid). Direct 51.8%, search 30.9%, paid 10.4%; brand keywords 75%, non-brand keywords include screenless fitness tracker, plus searches driven by Korean media coverage (founder Andy Kong). The only social source is X; the second batch sold out, with returning traffic via waitlist codes.
Top channel measured by Similarweb, others estimated by rank
| Attributable new users, last month | Share |
|---|---|
| SEO | 8% |
| Other | 92% |
Direct + brand search 75%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
| Country | Share of visits |
|---|---|
| United States | 80.01% |
English
X (Twitter)
4 keywords · brand ~75% · organic 100% / paid 0%
| Similarweb top 5 keywords |
|---|
| 앤디 콩 태양광 기반 초저전력 웨어러블 chargeless ray |
| chargerless |
| screenless fitness tracker |
| chargerless promo code |
Non-brand queries: screenless fitness tracker
About 25,788 last month (Similarweb estimate), #99 of 606; the month before was 9,424. Opening checkout is not paying, so this is not revenue.
New-user source: Other (Direct / referral / email / paid). Mostly referrals, email or paid, or mostly direct with no clear source Direct 51.8%, search 30.9%, paid 10.4%; brand keywords 75%, non-brand keywords include screenless fitness tracker, plus searches driven by Korean media coverage (founder Andy Kong). The only social source is X; the second batch sold out, with returning traffic via waitlist codes.
Ray one-time $219, Sunlit Gold edition +$30; no subscription; HSA/FSA eligible
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.
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