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Time for boarding...

Email marketing is bigger than ever before and the technical demands for newsletters and email providers are changing every day. In order to keep up with this rapidly developing market, we have launched the Mail Designer 365 platform - available now!

Our new TOWER ONE brand has a lot in store for you! Our goal: We aim to exceed the expectations of email designers across the world and expand our services to cover the newest and most professional features for responsive html email design. We are offering our existing Mail Designer and Mail Designer Pro customers a great starting offer for a Mail Designer 365 plan; packed full with brand new tools and templates, free feature upgrades for the lifetime of your subscription, and, of course,  complete compatibility with macOS High Sierra.

Your Mail Designer 365 upgrade plan


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  • $10.00
    per person
    billed annually

  • macOS 10.14 Mojave & macOS 10.15 Catalina support

  • Basic support tier
    email response within 72h
  • For non-essential email campaigns

per month $20

Business Premium

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  • $15.00
    per person
    billed annually

  • macOS 10.14 Mojave & macOS 10.15 Catalina support

  • Exclusive priority support tieremail support response within 24h (Mon-Fri)

  • Recommended if newsletters are a
    critical part of your marketing strategy

  • Add Tables to newsletters

  • Exclusive image effects:

per month $20

Your team has more than 5 members?
Check out Mail Designer 365 Business for Teams...

You previously purchased a Mail Designer Pro version from the Mac App Store?
Download Mail Designer 365 here and get your discounted upgrade plan.


Creative assistance for your design workflow

Create professional-looking layouts in seconds

Ready-made layout blocks give you the inspiration to create professional newsletter designs. Use them for headers, disclaimers, footers, and more. Save your own custom layouts to use again and again.

NEW › Ready-made layout blocks
NEW › Custom layout blocks

Professional image editing – with amazing results

Fine tune your images directly in the Mail Designer app! Enjoy instant access to professional photo editing tools such as contrast; brightness; sharpness; or blur, as well as 10 brand new, ultra-stylish image filters.

NEW › Professional image editing tools
NEW › 10 stylish image filters

Add depth to your designs with new style options

Give your headlines and CTAs extra dimension with HD shadow effects for image areas. Creative border styles such as “cut out” and “dotty” offer you even more inspiring ways to bring CTAs and graphics to life.

NEW › Border styles for images
NEW › Shadow feature and all caps text style

Unsplash integration and transparency tools

Unsplash integration offers you thousands of license-free images to take your designs to the next level. The opacity feature is perfect for subtly blended layers, and you use the corner rounding tool to break up any harsh edges.

NEW › Unsplash integration
NEW › Opacity tools, rounded corners for images

Teamwork tools to simplify your email workflow

You can use the all new Teamwork feature to attach feedback and comments to specific design elements, assign your team newsletter todos, and share your design with team members to get their feedback. Team workflow made easy with Mail Designer 365.

NEW › Tag your team members in comments
NEW › Assign todos for newsletter tasks

Create standout design borders for a unique edge

With the brand new borders tool, you can create a custom border unique to your email design. Experiment with style, thickness, and color to produce stunning borders for your newsletters. Create 3D, floating effects, mismatched borders, and more…

NEW › Add a border to your design
NEW › Tools for inner background editing

More content than ever before

Choose from over 80 design ideas and enjoy our diverse graphic library with over 100 new eye-catching animations, buttons, and social media icons to make your designs completely up-to-date.

NEW › Now with over 80 design ideas
NEW › Newly updated graphic library

New and improved UI & news

Our new Design Chooser makes accessing your designs easier than ever before. Use the search bar to quickly find your designs. The in-app news page is also full of useful tips and tutorials to help you along the way.

NEW › New and improved UI with sort feature
NEW › Mail Designer 365 News


How to upgrade from Mail Designer Pro

Mail Designer 365 is perfectly optimized for macOS High Sierra

As part of the High Sierra update, Apple have carried out significant changes to their WebKit Engine, which means that older versions of Mail Designer will unfortunately no longer be supported by the newest macOS. Mail Designer 365 is already perfectly optimized for macOS 10.13 and will always be compatible with the latest macOS updates.

Exclusive upgrade offer for loyal customers

We’re offering all of our existing Mail Designer and Mail Designer Pro customers an upgrade discount of up to 33%. This upgrade offer remains locked in throughout the lifetime of your plan, so as long as you are subscribed, you will always enjoy Mail Designer 365 at a discounted price.

Mail Designer users can upgrade today from just $10.00 / Month!

I need to upgrade but can't purchase subscriptions

We understand that some companies and educational customers may not be able to upgrade to a subscription plan. For these existing customers, equinux offers Mail Designer Pro HS, a paid upgrade with support for macOS High Sierra. Please note that Mail Designer Pro HS is only available to existing Mail Designer or Mail Designer Pro customers and does not offer any of the new features available exclusively in Mail Designer 365.


Important FAQs to get started with Mail Designer 365

I want to use Mail Designer with macOS High Sierra – what do I have to do?
Please upgrade to Mail Designer 365. It is fully designed for macOS High Sierra and includes new features, designs and HTML compatibility improvements.

I have Mail Designer Pro – do I get a discount?
Yes! All Mail Designer and Mail Designer Pro customers are eligible for a discounted upgrade to Mail Designer 365.

To claim your discount:
Download Mail Designer 365
Choose File > Import Settings and Designs
Then choose Buy 365 to purchase a plan.

How long is the upgrade discount valid for?
All upgrade discounts are valid for the lifetime of your plan. That means as long as you stay subscribed, your plan will renew at the low upgrade price.

Where can I manage my subscription?
Visit to manage your account.


Ready for next level newsletter design

Mail design for the future

With new technological know-how and a slick business cloud infrastructure, we are paving the way to make Mail Designer 365 one of the world’s best newsletter design services for Mac and iOS. Our goal: We want to create a tool which inspires email designers and creative professionals to grasp new trends and meet the demands of modern-day email marketing easily and productively.

Learn more about TOWER ONE ›

Constantly evolving for you

Mail Designer already has an exciting development roadmap planned for you in the first 12 months. Look forward to updates for design tools, creative content, cloud services, and team features - all coming soon! You would never experience this extent of features and evolution from a one-time purchase model, which is why we decided to focus our future on a subscription plan: the best option for ultimate user experience.

For OS X 10.11 or later, including macOS High Sierra

Hey Mail Designer customer!

Follow these steps to upgrade:
1. Download the app
2. Import your designs
3. Sign up for your upgrade plan

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