Klack: a small Mac menu-bar app that plays the sound of various mechanical keyboard switches as you type.
Indie developerOne-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout: buy.stripe.com
“Purchase for Mac; Top Paid #1 (App Store); Featured in Forbes”Quote from the site
New-user source: SEO (Non-brand search). Search 53.1%, direct 35.2%, social 7%; brand keywords 77.7% (klack, klack mac), non-brand about 11% from typing sounds mac; social sources are YouTube and Reddit, plus a Forbes article and Discord. two months ago 20,755 → last month 6,633 (-68.54%).
Top channel measured by Similarweb, others estimated by rank
| Attributable new users, last month | Share |
|---|---|
| SEO | 11% |
| 7% | |
| Other | 82% |
Direct + brand search 78%. 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 | 33.78% |
| India | 22.6% |
| Australia | 6.44% |
| United Kingdom | 6.3% |
| France | 6.15% |
English
YouTube, Reddit
85 keywords · brand ~78% · organic 100% / paid 0%
| Similarweb top 5 keywords |
|---|
| klack |
| klack mac |
| klack lisence |
| typing sounds mac |
| klack 2 |
Non-brand queries: typing sounds mac
| Category | Share of referrals |
|---|---|
| Graphics Multimedia and Web Design | 10.66% |
About 6,633 last month (Similarweb estimate), #499 of 606; the month before was 20,755. Opening checkout is not paying, so this is not revenue.
New-user source: SEO (Non-brand search). New users mostly come from need-based searches Search 53.1%, direct 35.2%, social 7%; brand keywords 77.7% (klack, klack mac), non-brand about 11% from typing sounds mac; social sources are YouTube and Reddit, plus a Forbes article and Discord. two months ago 20,755 → last month 6,633 (-68.54%).
One-time purchase (the homepage's Purchase for Mac button goes to Stripe checkout); amount not found
Dossier confidence: medium. 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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