One structured page brief
Set the product, audience, optional key benefit, conversion goal and tone once to keep each generated block anchored to the same inputs.
Foldline
Move from a short product brief to a page-shaped copy draft you can inspect block by block.
See it running
A quick tour of Foldline
A silent screen tour of the shipping Foldline app: Landing page copy builder; Ab copy variants and scores; Benefit bullets and faq; Full cro report; Private AI providers; Apple intelligence variant.
Website Direct edition
Pay once. Fully unlocked. Verified by Apple.
This website download is a separate direct-distribution build from the Mac App Store edition. It contains no StoreKit purchase flow or subscription screen: every feature is available after the one-time website purchase.
Apple notarized this exact disk image after an automated malware check. It is signed with the publisher's Developer ID and its notarization ticket is stapled to the download, so Gatekeeper can verify it even when your Mac is offline.
How signing, notarization and installation work- Version
- 1.0 (build 7)
- Released
- 2026-08-24
- Requires
- macOS 14 or later
- Architecture
- Apple silicon and Intel
- Download
- 2.7 MB DMG
- Installs as
- Foldline.app
- Apple check
- Notarized · Developer ID signed
- SHA-256
f7fe0f041ad2d0d298b4950d58e8a84b0e385fec34ac3504d847a4b2d8f24b3d
What it is
A native landing-page copy generator for Mac. Enter a product, audience, optional benefit, conversion goal and tone; generate A/B variants for five page blocks; compare transparent heuristic CRO scores; and copy a complete Markdown report.
Foldline keeps the brief and the resulting page in one native Mac window. Enter the product, target audience and an optional key benefit, choose whether the page should drive a sign-up, purchase, demo, download, subscription or sales contact, and select a friendly, professional, bold, playful or urgent tone. The local generator turns those inputs into five familiar landing-page blocks: hero headline, supporting subheadline, call to action, benefit bullets and FAQ.
Every block has deterministic A and B variants rather than one take-it-or-leave-it answer. Foldline shows the selected copy in a page-shaped preview, lets you switch variants independently and provides copy controls at block level. Regenerating the same brief without a model intentionally repeats the same output, which makes the built-in path reproducible. When a supported AI provider is available, the hero, subheadline and CTA can receive an additional AI variant, and individual lines can be sent for an optional rewrite.
The visible CRO numbers are explainable writing heuristics, not conversion forecasts. Foldline scores the chosen text from 0 to 100 using disclosed factors that vary by block: headline length and clarity, benefit orientation, reading ease, CTA strength, bullet specificity and FAQ objection coverage. A weighted overall page score combines the leading variants, and the full Markdown report records the dimension scores plus every generated variant for review or handoff.
The deterministic generation and scoring path works without an account, model or network request. Optional generation can use Apple Intelligence on supported Macs, a local Ollama or LM Studio service, or a supported cloud provider using an API key stored in the macOS Keychain. The separate website Direct edition is Developer ID-signed and Apple-notarized, permanently unlocks all A/B variants and the complete report after one purchase, and contains no StoreKit subscription flow.
How it does its job
Five page-ready blocks
Draft a hero headline, subheadline, CTA, benefit-bullet section and FAQ instead of generating an isolated slogan.
Independent A/B choices
Switch each block between deterministic A and B variants, with optional AI variants for supported text blocks when a provider is connected.
Transparent CRO heuristics
Inspect block-level 0–100 scores and notes covering clarity, benefit language, reading ease, CTA strength, specificity and objection coverage.
Complete Markdown handoff
Copy a page-and-CRO report containing the weighted score, dimension breakdown and every variant grouped by block.
Local-first provider choice
Use repeatable built-in templates with no model, or optionally connect Apple Intelligence, Ollama, LM Studio or your own cloud key.
What it doesn't do
Foldline drafts copy; it does not design, code, host or publish a landing page, connect to a CMS, import a website, collect analytics or run an A/B test. Its CRO scores are deterministic writing heuristics, not statistical evidence, user research, legal review or a prediction of conversion performance. Built-in templates may produce generic or unsupported language when a brief is sparse, and AI output can be inaccurate, so every headline, benefit, price, proof point, FAQ and CTA needs human factual, brand, legal and product review before publication. The current workspace holds one generated page in memory and hands work off through the clipboard rather than a saved-project library or file export. Apple Intelligence depends on supported hardware and macOS availability; local providers require their own running service; and choosing a cloud provider sends the relevant brief and copy directly to that provider under its terms.
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Native, local-first, and yours
Foldline is a native Mac app distributed as a complete, fully activated download. No subscription, no account, no locked features, no tracking.
Buy & downloadGet Foldline
Choose $10 for one app, $20 for two different apps, or $49 for every published app through Stripe's hosted checkout. The complete app downloads straight away; each download link works once and expires after a while.
Common questions
What is Foldline?
A native landing-page copy workspace for Mac. Turn a product, audience, benefit, goal and tone into selectable A/B variants for the hero, subheadline, call to action, benefit bullets and FAQ, compare disclosed heuristic CRO scores, and copy a complete Markdown report.
Who is Foldline for?
Foldline is for founders, product marketers, copywriters and agencies drafting a structured landing page before design, review or testing. Turn one product brief into structured landing-page copy, compare A/B variants and review the full page through disclosed CRO heuristics.
Does Foldline run on macOS?
Yes. Foldline is a native Mac app and runs on macOS 14+.
Does Foldline need AI or an API key?
No. Its deterministic generator creates the complete five-block draft and the CRO scorer evaluates it locally without a model, API key or Foldline account. A supported provider is optional for additional AI variants and rewrites.
What does Foldline's CRO score mean?
It is a disclosed 0–100 copy heuristic based on signals such as clarity and length, benefit orientation, reading ease, CTA strength, bullet specificity and FAQ coverage. It does not use traffic or sales data and cannot predict conversion rate, revenue or test results.
What can I export from Foldline?
You can copy individual generated blocks and a Markdown page-and-CRO report that includes the overall score, score dimensions and all generated variants. The current release uses the clipboard rather than exporting an HTML page, design file or hosted landing page.
Is the website edition fully unlocked?
Yes. The separately built Foldline Direct edition permanently enables all A/B variants and the complete page-and-CRO report and excludes the App Store paywall and StoreKit code. It is a one-time website purchase with no subscription, account or trial timer.
Is this the same Foldline edition as the Mac App Store version?
No. The Mac App Store edition can include Apple's in-app subscription system. The website Direct edition is a separately signed build with no StoreKit purchase flow: one website purchase unlocks the complete app with no recurring charge.
Is Foldline the full version, or are features locked?
The download is the complete app. There is no subscription, no locked tier, no account, and no trial timer — every feature is included.
How do I get Foldline?
Choose $10 for one app, $20 for two different apps, or $49 for every published app through Stripe's hosted checkout on this page. The download starts straight away; each download link works once and expires after a while.
Is the Foldline Direct edition notarized by Apple?
Yes. Version 1.0 is signed with a Developer ID certificate, notarized by Apple, and distributed with a stapled notarization ticket. Its published SHA-256 checksum is f7fe0f041ad2d0d298b4950d58e8a84b0e385fec34ac3504d847a4b2d8f24b3d.