Nicheloom visits: 58,094 all-time · 7,637 in the last 7 days

The opportunity tracker for new startups.

Today: 1,953 launches · Niche of the day: specialized calculation tools · See what launched today →

KANJIN

Free digital stamp card and back office for small shops

Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.

Want to reach these readers? Sponsor an issue.

KANJIN (kanjin.app) is a free digital stamp card and back office for small walk-in shops. Customers join with their phone number or a QR poster and download nothing. The free plan has no time limit and no credit card: unlimited customers, 20 Google review requests and 5 AI review reply drafts a month, a daily ledger and 18 free tools. The paid plan is $39 a month or $390 a year per shop.

PH · launched Oct 21, 2026 · 1 upvote (top 67%) · 0 views

Niche: digital wallet and mobile loyalty apps · 53 launches, 4 in the last 7 days ▼ -50% · Explore this niche →

Category and tags
  • Retail & commerce
  • Vertical SaaS
  • B2B
  • Not AI
  • Commercial product
  • Email Marketing
  • Marketing
  • CRM

Visit website ↗ Source listing ↗

More like this: all 53 launches in digital wallet and mobile loyalty apps →

Could you build this?

Yes A free stamp card, customer list, QR join flow, and review-request/reply features are mostly CRUD, a mobile-friendly web UI, and wrappers around SMS and Google Business APIs.

Competitors

Other products that read as similar to this one : 134 launches clear the similarity bar, closest 8 shown.

Attention rank: #79 of 135 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 316 days after the earliest competitor.

  • Perkify · ph · 2026-11-07 · 1 upvotes · similarity 0.51
  • Stampzo · ph · 2026-09-17 · 1 upvotes · similarity 0.48
  • Moxboard · ph · 2026-11-12 · 1 upvotes · similarity 0.47
  • perkpass. · ph · 2026-10-16 · 2 upvotes · similarity 0.46
  • Kardza · ph · 2026-09-30 · 1 upvotes · similarity 0.44
  • Kaartje · ph · 2026-10-18 · 1 upvotes · similarity 0.44
  • Kanvo · ph · 2026-10-20 · 1 upvotes · similarity 0.42
  • Kyun Deco · ph · 2026-11-04 · 2 upvotes · similarity 0.40

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.