Rubik Combined Listings on Eight Themes: Flow, Envy, Capital & More

Rubik Combined Listings

Rubik Combined Listings on Eight themes is a common request from UK-based Shopify stores. Eight is a theme studio out of Bristol, UK, and they build 6 premium themes: Flow, Envy, Capital, Fresh, Momentum, and Influence. These are not niche themes. Flow alone has 377 reviews. Envy has 266. Capital sits at 130. The studio has built a reputation for polished, versatile designs that work across industries.

All 6 Eight themes share a common codebase philosophy. Clean Liquid structure, consistent section architecture, and predictable product card markup. For us as app developers, this is ideal. When the underlying HTML is consistent, our Shadow DOM injection works cleanly across all themes from the same studio. We tested RCL on every Eight theme, and all 6 are in our verified 350+ theme compatibility list.

What follows is a theme-by-theme breakdown, with attention to the specific use cases and design considerations that matter for combined listings on each one.

Table of Contents

Eight: the studio

Eight is based in Bristol, UK. They are a mid-size theme studio that focuses on building a handful of themes and keeping them updated. No sprawling portfolio of 20 mediocre themes. Six solid options, each targeting a slightly different market segment. Their pricing ranges from $350 (Fresh) to $390 (Influence), which puts them in the upper tier of Shopify premium themes.

The Bristol studio has a strong following among UK and European Shopify merchants. European stores often have multilingual requirements, and Eight themes play well with Shopify’s Translate & Adapt app. Since RCL also supports Translate & Adapt for group labels and option names, the whole stack works together for international stores. That is actually one of the things we get asked about most from Eight theme users: “Can I translate my swatch labels into German and French?” Yes. Via Translate & Adapt, not via a custom solution.

Flow ($380, 377 reviews)

Flow is Eight’s flagship theme. 377 reviews, and it is their most installed theme by a wide margin. Flow is designed for stores that want a modern, fluid layout with smooth animations and a premium feel. Think fashion brands, accessories stores, lifestyle products. The kind of store where the browsing experience is part of the brand.

Combined listings on Flow work beautifully. Flow’s product cards have a clean structure with title, price, and vendor neatly stacked. RCL swatches inject below the price, sitting naturally in the card’s visual hierarchy. The animations in Flow (smooth hover transitions, lazy-loaded images) continue working normally because our Shadow DOM scoping prevents any CSS or JavaScript conflicts.

Flow merchants frequently run stores with 10 or more color options per product line. A shoe brand might have 15 colors for the same model, each as a separate product for SEO and inventory management. Without combined listings, that is 15 cards on the collection page. With RCL, it is one card with 15 color swatches. The difference in collection page usability is night and day. And honestly? Why Shopify does not provide this natively on non-Plus plans is baffling.

Envy ($380, 266 reviews)

Envy targets stores that want a high-end, editorial look. It is popular with beauty brands, jewelry stores, and premium home goods. The design is more opinionated than Flow. Larger product images, more dramatic typography, and a layout that prioritizes visual impact over product density.

For combined listings, Envy’s larger product cards are actually an advantage. More card width means more room for swatches. You can fit 8 to 10 image swatches on an Envy card without it looking cramped. For stores selling products where the visual difference between variants is dramatic (jewelry in gold vs silver vs rose gold, furniture in different fabrics), image swatches on Envy give shoppers a real preview of each option right on the collection page.

One Envy-specific consideration: Envy uses a “featured product” section on the homepage that is different from the collection page grid. RCL’s product page swatches work on this section too (because it renders the same product card component), but test it during setup. The wider featured card sometimes benefits from the “pill” swatch type rather than circles. Try both.

Capital ($380, 130 reviews)

Capital is built for high-volume catalog stores. Hardware, automotive parts, industrial supplies, office equipment. Stores with 500 or more products that need dense collection grids, sidebar filtering, and fast navigation. Capital is not pretty in the Instagram sense. It is functional in the “find what you need and buy it” sense.

This is where RCL’s bulk grouping earns its keep. A hardware store with 600 products might need 150 groups. Creating those one by one? Nobody has time for that. RCL’s title pattern detection catches naming conventions like “Socket Wrench 10mm, Chrome” and “Socket Wrench 10mm, Matte Black” and proposes a group automatically. Tag-based grouping works well for stores that already tag products with a parent SKU or product family identifier.

Capital’s compact product cards mean swatches need to stay small. Color circles or simple buttons work best here. Image swatches can feel oversized on Capital’s dense grid. The “Compact” preset in RCL was sort of designed for themes like this.

Fresh, Momentum & Influence

The remaining three Eight themes round out the portfolio:

Fresh ($350) is the most affordable Eight theme. It targets food and beverage stores, organic products, and wellness brands. Clean, bright, and approachable. Combined listings work well for food brands that sell the same product in multiple flavors, each as a separate product. The “Rounded” preset matches Fresh’s soft, organic design language.

Momentum ($380) is built for brands with active, energetic aesthetics. Sports, fitness, outdoor gear. Products often come in team colors or seasonal colorways, making them natural combined listings candidates. Momentum’s grid is medium-density, which gives swatches comfortable space without wasting screen real estate.

Influence ($390) is Eight’s most expensive theme and their newest. It targets influencer-driven brands, DTC companies, and stores with strong social media presence. The design emphasizes visual storytelling with large hero sections and video integration. Combined listings on Influence let influencer brands group product variations (like a makeup palette in 6 shade ranges) into one visual unit on the collection page while keeping each shade range as its own product for tracking and attribution.

Rubik Combined Listings bulk grouping feature

Theme comparison table

ThemePriceReviewsTarget audienceCard densityBest RCL preset
Flow$380377Fashion, lifestyleMediumModern
Envy$380266Beauty, jewelry, homeLow (large cards)Elegant
Capital$380130High-volume catalogsHigh (dense grid)Compact
Fresh$350N/AFood, wellnessMediumRounded
Momentum$380N/ASports, fitnessMediumModern
Influence$390N/ADTC, influencer brandsLowElegant

Setting up RCL on Eight themes

The process is identical across all 6 themes. That is one benefit of Eight’s shared codebase:

  1. Install Rubik Combined Listings from the Shopify App Store. Automatic embedding via app block. No code.
  2. Create groups by selecting products and assigning option names and values. Start with a small group (2 to 3 products) to test the visual result.
  3. Use AI Magic Fill to auto-detect colors and option values from product images and titles.
  4. Select a style preset. Match the preset to your theme’s card density (see table above).
  5. Configure desktop and mobile separately. Eight themes handle mobile layouts differently. Flow collapses to 2 columns on mobile, Capital keeps a denser grid. Check both viewports in the RCL preview.
  6. Scale up with bulk grouping for stores with more than 20 groups. Title patterns, tags, and metafields are all supported.

Full instructions in the setup guide. Live preview at the demo store. Documentation at rubikswatch.com.

Collection page swatches on Eight themes

The main reason stores install RCL is collection page swatches. When you split products by color (or material, or format, or scent), the collection grid fills up with duplicate-looking cards. RCL groups them and shows swatches so shoppers can switch between linked products without scrolling through 15 cards for the same shoe.

On Eight themes, the collection page swatches inject below the product card content (title, price, vendor). The injection point is consistent across all 6 themes. Swatches render inside a Shadow DOM component, which means Eight’s theme CSS cannot interfere with the swatch styling, and RCL’s swatch CSS cannot break Eight’s layout. Complete isolation.

How many swatches can you fit? It depends on the card width, which varies by theme and viewport. Flow at desktop width fits 8 to 12 color swatches comfortably. Capital fits 6 to 8 in its denser grid. Envy, with its larger cards, can handle 10 to 14. If you have more variants than fit in one row, RCL wraps them or switches to a carousel layout depending on your grid vs carousel setting.

Pairing with Rubik Variant Images

RCL handles the collection page. Rubik Variant Images handles the product page. The split is clean: RCL groups separate products and shows swatches on product cards. RVI filters the product page image gallery based on the selected variant.

For Eight theme stores, this combination solves the full variant image problem. A store selling sneakers in 12 colors, each color with 4 lifestyle photos and 3 size-specific fit shots, gets a clean collection page (one card, 12 color swatches) and a clean product page (only the photos for the selected color and size). Without both apps, that store has 12 separate cards on the collection grid and 7 unfiltered photos in the product gallery. Not great.

Both apps load from metafields. No external API calls. No performance penalty. They share the same architecture because we built them as companion products from the start. Read more on the variant images complete guide for details on RVI’s product page capabilities.

“Great app and the customer service was insane. They answer quickly and even uploaded a Youtube video just to explain how solve on of our problems. The app is also great, has every functionality you could need.”

Vista, France, February 2026, Rubik Combined Listings on the Shopify App Store

Pricing

RCL pricing is flat. Doesn’t matter if you are on Flow or Capital, Basic plan or Plus:

PlanPriceProduct groupsAI credits/month
Free$05100
Starter$10/mo1001,000
Advanced$30/mo5005,000
Premium$50/mo5,00050,000

Annual billing saves 17%. Every plan includes every feature. The only difference between tiers: how many product groups and AI credits you get.

See the live demo store, watch the tutorial video, or read the getting started guide.

FAQ

Does RCL work with all 6 Eight themes?

Yes. Flow, Envy, Capital, Fresh, Momentum, and Influence are all in our verified 350+ theme compatibility list. All 6 work with RCL out of the box.

Do Eight themes support combined listings natively?

Not in the way RCL does. Eight themes support Shopify’s standard product variant system, but they do not have a built-in feature for linking separate products as visual variants. RCL adds that capability on any Shopify plan.

Can I translate swatch labels on Eight themes?

Yes. RCL integrates with Shopify’s Translate & Adapt app for group labels, option names, and option values. This works on all themes, including all 6 Eight themes. See the international SEO guide for details.

Which Eight theme is best for a large catalog with combined listings?

Capital. It is built for high-volume catalogs with dense grids and sidebar filtering. Pair it with RCL’s bulk grouping tools and the “Compact” swatch preset for the best result.

Will RCL swatches break Flow’s animations?

No. Shadow DOM rendering isolates RCL’s CSS and JavaScript from Flow’s animation system. The hover transitions and scroll animations continue working normally.

How many product groups can I create?

Free plan allows 5 groups. Starter gives you 100. Advanced gives you 500. Premium supports 5,000 groups. If you need more, contact us.