TinyPilot: How Did a Technical Post Become a Hardware Business?
A founder's remote-server prototype shows how a public guide, early kits, and the costs of physical delivery connect.
SHENTU NOTES · ENGLISH
Independent Site Studies
What small websites do, how they find people, and where the free-to-paid boundary sits.
20 articles · Latest first
Photopea: Where Does a Free Online Editor Draw the Paid Line?
Early founder accounts, free editing, and ad-free plans reveal how a browser tool connects usage and payment.
Ko-fi: How Does a Free Creator Page Make Money?
The founder's story and current plans reveal the boundary between free signup, transaction fees, and a paid subscription.
Transistor: Unlimited Podcasts, Usage-Based Hosting
The founders' history and current plans show how education, a public building story, and ongoing hosting fit together.
Screen Studio: When Demo Videos Show Off the Tool That Made Them
Early posts by the founder and today's product pages show how demos circulate, where free use ends, and why exporting requires a subscription.
Tally: If Forms and Responses Are Free, Why Do Teams Pay?
The founders' early accounts and today's plans show how a generous free form builder creates distribution, then charges for branding and teamwork.
Pika: Why Charge After 50 Free Blog Posts?
A small blogging team offers room to build a writing habit before charging for a lasting home and reader relationships.
Studio Neat: How Did One Phone Mount Become an Independent Store?
The original Glif campaign and its founders' account show how a small physical product moved from validation to delivery and ongoing sales.
Ness Labs: How Can Free Writing Lead to a Paid Learning Community?
A 2019 writing experiment grew into a membership community. Here is the evidence behind the content, email, and paid learning boundary.
How Can You Sell AI Capabilities Abroad? From Skill Files and Agents to a First Paid Pilot
Compare three real Skill products, two demand reports, and six sales channels before choosing what your first AI deliverable should be.
Refactoring UI: How Did Free Design Tips Become a $99 Product?
A case study in turning practical design advice for developers into a clearly packaged digital product.
Digital Inspiration: How Can a Tutorial Grow Into a Paid Add-on?
From a mail-merge tutorial to Document Studio, a look at free instruction, marketplace discovery, and annual licensing.
Beardbrand: How Do Grooming Guides Connect to a Bottle of Oil?
Follow the path from free instructions and scent choices to a physical product, fulfillment, and possible replenishment.
Wizard Zines: How Do Public Technical Notes Become a $12 Zine?
From public drafts and early paid experiments to individual and team licenses, a creator-led knowledge-product case study.
Fathom Analytics: How Did a Dashboard Sketch Become a $15-a-Month Service?
An early public sketch, an open-source version, and a hosted subscription show how a small team tested a recurring analytics job.
Ugmonk: What Can a First Batch of Ten Leather Mousepads Tell You?
From a handmade sample and a ten-unit trial to today's shipping rules, study how one physical product takes on production and fulfillment.
Carrd: Why Pay $19 a Year When You Can Build Three Sites for Free?
A one-page product scope, an early Twitter and Product Hunt launch, and the boundary between free publishing and a custom-domain site.
Why did Buttondown shrink its free newsletter tier from 1,000 readers to 100?
Founder notes from 2017 and 2022, plus today's price page, show how email delivery and support work shaped Buttondown's free-to-paid boundary.
Plausible: Why Pay Monthly When You Can Self-Host the Code?
From one founder's public test to content-driven trials, examine the division of responsibility between self-hosting and paid analytics hosting.
Why do indie authors pay for StoryOrigin? A free-to-paid case study
StoryOrigin's early free period and today's pricing show where an indie author goes from distributing a book to coordinating other authors' audiences.