Real-revenue cases
Singapore-based Igloohome sells offline smart locks and keyboxes to short-term-rental hosts: hosts send guests time-limited PIN codes from an app instead of meeting them with keys, and hardware sales have grown to a founder-reported $400K per month.
01
It replaces in-person key handoffs and static-code lockboxes—a real, high-frequency pain in rentals with late check-ins and time zones. Over 30,000 units sold across 80+ countries, plus a permanent spot in Airbnb's official channel, show people keep paying.
Hosts, property owners and B2B customers buy locks and keyboxes per unit—one-off hardware revenue; the material mentions no subscription or usage-based pricing.
In-person physical key handovers and static-code lockboxes.
02
The three founders were Airbnb hosts themselves; they co-designed the product with 50+ beta hosts, and the first customer spike came roughly a year later when the Airbnb integration went live.
03
Not an AI product, but the distribution play transfers directly: embed your AI app as an official integration in a host platform's marketplace or API (office suites, e-commerce, model plugin directories), auto-trigger it off platform events like bookings or calendar entries, and let the platform's own traffic do the acquiring.
04
Revenue basis · Founder self-reported, unaudited (see source page)
The $400K/month and $5M/year figures are founder-reported and unaudited, with no revenue breakdown between retail and B2B.
No gross margin, return-rate or hardware cost data, so true profitability is unknown.
After 30,000 one-off hardware units, the growth engine beyond that is unclear: no repeat-purchase logic and no per-channel acquisition cost or conversion data.