Description
When an agency or startup needs to communicate launches, services, and news by email, Rubik structures responsive HTML newsletters with modular sections that automatically rearrange on phone, tablet, and desktop screens. The template serves anyone sending agency promotional campaigns, introducing a newly launched product to the public, or keeping clients and investors informed, without having to code email tables from scratch for every new send.
Key Features of Rubik
- Responsive email layout
Adjusts columns, images, and text to each reader’s screen width. - Modular block structure
Lets you add, remove, or reorder sections according to the goal of each campaign. - Look built for agencies and startups
Organizes services, products, and calls to action with a modern, corporate aesthetic. - Editable HTML code
Lets you change text, colors, images, and links directly in the template files. - Use as a web template
Serves as a visual base for communications and pieces outside the inbox as well.
Benefits of Rubik
- Campaigns ready in less time
Reduces the work of building each newsletter from a blank page. - Comfortable reading on mobile
Keeps the message legible for those who open emails on a smartphone. - Consistent visual identity
Standardizes the look of your sends and strengthens brand recognition. - Less reliance on developers
Makes content adjustments easier without having to write email HTML from scratch.
Who Is Rubik For?
- Agencies that promote services, case studies, and news to clients and potential clients by email.
- Startups that want to announce launches, product updates, or fundraising to their contact base.
- Anyone who creates email marketing campaigns for third parties and needs a reusable visual base.
How to Download Rubik
Rubik is available for download here on Ultrapack. The step-by-step guide to using this file is in the How to install tab, next to the description.
With modular sections and a layout that adapts to any screen, Rubik turns newsletter production into a content-editing task rather than a programming one. The corporate aesthetic suits institutional communications, product announcements, and client relationships, letting you maintain a single visual line across different campaigns and reuse the same structure whenever there is news to share.
Frequently asked questions
Is Rubik – Agency & Startup Responsive Email GPL?
Yes. Rubik – Agency & Startup Responsive Email is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use Rubik – Agency & Startup Responsive Email on more than one site?
Yes. You can use Rubik – Agency & Startup Responsive Email on as many sites as you want.
How much does Rubik – Agency & Startup Responsive Email cost at Ultrapack?
Rubik – Agency & Startup Responsive Email costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$11.90/mo (Desenvolvedor I).
Does Rubik – Agency & Startup Responsive Email include updates?
When a new version of Rubik – Agency & Startup Responsive Email becomes available in the catalog, you can download the file during the access period of your purchase or subscription. To update, follow the installation or import procedure described in the documentation for the item and its platform.
Is Rubik – Agency & Startup Responsive Email checked before it is made available for download?
Files for Rubik – Agency & Startup Responsive Email are scanned before publication by UltraHub using ClamAV and YARA rules to detect known threats. This check does not guarantee the absence of risks. Check the item requirements, make a backup, and follow the installation or import instructions for its platform.
How to install
Updates: manual. When a new version comes out, download it on this same page and follow the replacement or import process for the platform shown. This item is not updated through WordPress.
Extras gathers what is neither a WordPress theme nor a plugin: templates, scripts, project files and supporting material.
- Download the file
elements-rubik-agency-startup-responsive-email.zipand extract it on your computer. - Open the author documentation that came in the package. It tells you where each file goes.
- When there is a
Como Instalar.txtfile in the main folder of the package, read it first.
Stuck on a step? Open a ticket telling us which one you stopped at.



