GuidelineKit

Freemium#17 of 27 in Letterhead Makers

GuidelineKit: A letterhead tool within a broader Apple-focused brand-guideline workflow. Ranked #17 of 27 in Letterhead Makers by our editors (6.7/10); pricing: Free plan; best for apple users creating letterheads alongside brand guidelines.

6.7/10Editor score

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At a glance

Editor score
6.7 / 10
Pricing
Free plan
Best for
Apple users creating letterheads alongside brand guidelines
Free plan
Yes
Paid from
$29 one-time
Facts checked
27 Sep 2026

Where it wins
- Generates editable letterheads alongside multi-page brand guidelines
- Exports PDFs, HTML, design tokens, and .brandkit handoff files
- Free plan includes unlimited brands and AI-assisted creation
Where it doesn't
- Runs on macOS and iOS devices only
- Letterhead export requires the $29 one-time Pro purchase
- Documentation is the listed support channel

Our verdict on GuidelineKit

GuidelineKit is an Apple-platform app for creating and organizing brand systems, with letterheads included alongside business cards, email signatures, color palettes, logos, fonts, and design tokens. It suits solo professionals and small teams that want to develop brand materials and guidelines together on Mac, iPad, or iPhone. Users can start manually, use optional AI prompts, or extract colors, logos, and fonts from a supplied website URL.

The free plan supports unlimited brands, brand building and previews, AI-assisted creation, live previews, and in-place editing. According to the published plans, GuidelineKit Pro costs $29 as a one-time purchase and adds brand-guideline PDF export, business-card PDF export, letterhead export, email-signature HTML, eight design-token formats, and .brandkit and folder export. This structure lets buyers explore and edit before paying for document and handoff outputs. Letterheads are therefore part of a wider brand workflow rather than a standalone document editor.

GuidelineKit fits Apple-centered workflows through optional private iCloud database syncing and integrations with Apple Intelligence, Anthropic, OpenAI, and Gemini. Its exports cover PDF, HTML, Tailwind v4, Tailwind v3, CSS variables, SCSS, W3C tokens JSON, Swift, Android XML, Figma Tokens, and .brandkit, which can support design and development handoff. Choose it if your letterhead work belongs with reusable brand guidelines and token files, and if macOS or iOS access matches your team. Organizations needing cross-platform access or a dedicated letterhead-focused application should consider alternatives.

Your product? Our editors can test GuidelineKit in depth and publish a review, labelled as paid · from $149/mo →

GuidelineKit pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 27 Sep 2026.

See plans on guidelinekit.com

All 2 GuidelineKit plans and prices →

GuidelineKit fact sheet

Free plan	Yes
Paid from	$29 one-time
Word/Docs export	Not verified
Brand kit reuse	Not verified
Print ordering	Not verified
Stationery types	Not verified
Export formats	PDF, HTML, Tailwind v4, Tailwind v3, CSS variables, SCSS, W3C tokens JSON, Swift, Android XML, Figma Tokens, .brandkit
Letterhead templates	Not verified
Deployment	Desktop, Mobile
Platforms	macOS, iOS
Support	Docs
Built for	Solo, Small business (editorial estimate)
Integrations	5 integrations: Apple Intelligence, Anthropic, OpenAI, Gemini, iCloud
Pricing	Free plan (source)
Website	guidelinekit.com
Facts checked	27 Sep 2026

GuidelineKit integrations

GuidelineKit lists 5 integrations on its own site.

Apple Intelligence
Anthropic
OpenAI
Gemini
iCloud

Alternatives to GuidelineKit

See all GuidelineKit alternatives →

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Featured on iTechGuides

GuidelineKit is listed in our Letterhead Makers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update