Horizon VS FullStack : Which Is the Best Shopify Theme to Launch Your Online Store?

Horizon was designed as a free, next-gen theme: a clean design, quick setup, and a more flexible architecture thanks to theme blocks. Its philosophy moves away from the “ultra-spectacular” style of premium themes that are very focused on editorial content to favor an “elegant, native and extensible base”. It is mainly aimed at brands that want to stay true to the platform's native standards.

FullStack is an all-in-one theme designed to sell more without piling up dozens of apps. Its philosophy is clear: combining premium rendering, speed and a real CRO/SEO arsenal in the same base. It is aimed as much at the store that is launching its first sales as at the brand that wants a solid architecture in order to grow properly. FullStack's ambition is to become the default choice for all brands.

Free, native and updated very regularly, which allows it to remain at the forefront of the latest news on the platform.

Modern architecture with theme blocks, sections on all pages, and great layout flexibility.

Clean, minimalistic and high quality design for a free theme. ‍

User opinions are very mixed: 39% positive, 28% neutral, and 33% negative at the time of writing this article.

Several retailers report regressions during updates, with loss of settings, parameter conflicts, or faulty components.

Despite its flexibility, some important customizations still require code or applications, which can be frustrating for retailers who are not tech-savvy. ‍

Its big strength is the density of functionalities: 100+ functionalities, 40+ sections, 60+ blocks, landing page templates, native SEO tools and very extensive support. All these basic tools are embedded in a Shopify 3.0 architecture that allows you to stack blocks and build any section like a page builder. You can do a lot without depending on Shopify applications that slow down the store.

The second strength of the theme is its “guaranteed rendering” approach: flexible enough to allow real customization, but framed enough so that the final result always remains clean, consistent and professional.

The first obstacle is the subscription model: if you want a one-shot expense or simply a free theme, this is not the right product.

The second is that the abundance of features can create a small overload effect that can make it less easy to understand, especially for those new to Shopify.

Rather, yes. Horizon combines an eye-catching design with several useful features for conversion: quick shopping, quick overview, sliding basket, product badges, promotions, stock counter, and improved search engine. On the other hand, this theme is not ultra-optimized by default, and the most demanding merchants in terms of conversion rate optimization (CRO) will often need applications, AI blocks, or customizations to go further.

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Yes, very clearly. FullStack checks almost all the boxes you expect from a CRO-first theme: upsells, cross-sells, bundles, cart drawer, BOGO, promo code field, comparisons, social proof, social proof, landing pages, landing pages and test/optimization logic. Add to that a clean design and a claimed SEO/CRO approach, and you have a theme that is much more “ready to perform” than simply “pretty”.

The FullStack theme was co-created by the team of The Deployer agency, the number 1 CRO agency in France.

The theme incorporates the conclusions of more than 800 A/B tests carried out on more than 80 reference brands. It's the nectar of the best in CRO.

Quick purchase, shopping cart, cart notes, in-store pickup, pre-order, pre-order, pre-order, account menu, account menu, back-in-stock alert, blog, cross-selling, contact form, EU language translations, FAQ, menu promotions, FAQ, menu promotions, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, FAQ, promotions in the menu, media, media coverage, media coverage, media coverage, promotional banners, quick overview, recently viewed products, products recommended, stock counter, etc.

The theme includes more than 100 distinct features: Stories, timer, mega menu, mega menu, wishlist, upsells, cross-sells, bundles, cart drawer, BOGO, promo code field, promo code field, comparisons, customer reviews, etc.

See The complete list of features of the theme.

The strength of Horizon lies in its well-thought-out simplicity: modern fonts, large product images, a smooth feeling, and a consistent look on mobile and desktop. The interface inspires more confidence than an old free theme. On the other hand, some components and updates seem to still lack maturity, which is somewhat detrimental to the high-end quality impression.

The design is not there to do a simple Dribbble demo, it is built to convert without being cheap. Customer feedback speaks of a modern, fluid, intuitive and professional rendering, with a quick handling. In short, it is a theme that is making a serious mark. The UX is clear and crystal clear, the UI is elegant and neat.

The entry cost is very affordable: no theme license is required. On the other hand, the real long-term cost lies in the use of tailor-made applications and developments, which can quickly represent a significant sum over the year.

The model is 100% subscription (annual or monthly), with cancellation possible at any time. On paper, this can be daunting; in practice, the calculation becomes much more favorable if you replace several paid apps and if you really make use of the sections, blocks, templates and SEO tools already included.

See FullStack theme packages.

Horizon is an interesting solution for direct-to-consumer (DTC), lifestyle, fashion, beauty or accessories brands that are looking for a native, free and modern base, without starting out with a premium theme right away. It is particularly suitable for retailers who want to get started quickly and then improve their site over time.

On the other hand, if editorial content, blog or very specific advertising are central from the start, it is better to consider a tailor-made solution or seriously compare this option with a more successful premium theme.

FullStack is particularly relevant for DTC brands, shops oriented to paid acquisition, merchants who want to push CRO, and teams who want a “muscular” theme from the start. It's also a great fit if you hate multiplying apps and want to keep a consistent base. For a freelancer or an agency, the Business offer with GitHub fork makes it even more credible as a long-term basis.