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Startup shortlist

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Live TrustMRR detail for each pick — asking price, multiple, margin, growth, traffic, domain rating, stack, and channels.

For saleHU

Clamshell

Developer Tools

Asking

$15,000

Multiple

3.0x

Clamshell is a Mac menu bar app that keeps Apple Silicon MacBooks running with the lid closed, with no external display, admin password or privileged helper. The screen stays black but usable, so computer-use agents keep working. Sold directly at clamshell.dev ($9.99 one-time, 55 licenses) and on Setapp (~600 monthly active users, recurring revenue). Native Swift, macOS 14+, built by Clamshell Kft. in Budapest.

Deal economics

Price, multiple, recurring revenue, and margin — acquisition first.

Asking price

$15,000

Revenue multiple

Lower is usually a better deal

3.0x

30-day revenue

$415.33

MRR

$0

Profit margin

—

Est. monthly profit

30d revenue × margin

—

Traction

Growth, customers, and TrustMRR standing.

30d revenue growth

+162.5%

30d MRR growth

+0.0%

All-time revenue

$686.07

Active subscriptions

0

Customers

0

TrustMRR rank

By all-time revenue

#4211

Audience & SEO

Traffic quality and discoverability when the data is connected.

Visitors (30d)

—

Search impressions (30d)

—

Revenue / visitor

—

Domain rating

—

X followers

—

Acquisition paybackEstimate
Clamshell

Prefills from listing · tweak freely

Est. payback

7.5 yr

Mo. profit
$166.13
Profit mult.
7.5x

Disclaimer: Payback here is an educational estimate and not investment advice. Verify figures on the listing before you buy.

Product & ops

How it runs day to day — stack, channels, and positioning.

Clamshell

Payment
Lemonsqueezy
MoR
—
Age
5 mo
Founded
2026-05-28
Pricing
$9.99 for Lifetime, $19.99 for Lifetime, 3 Macs.
Business
—

Tech stack

SwiftuiSwift

Marketing

No channels listed