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Horizon Theme

Hire Horizon Theme Experts

Work with Shopify developers experienced in the Horizon theme to customize layouts, improve performance, and support long-term growth.

Horizon theme experts help Shopify merchants customize and extend the Horizon theme while maintaining performance and compatibility with Shopify updates.

Services include:
• Horizon theme customization and layout edits
• UX and mobile optimization
• Performance improvements
• Custom sections and templates
• Theme troubleshooting and support

Hiring a Horizon specialist helps ensure your store remains flexible and conversion-focused. Request a free quote from a vetted Horizon theme expert to customize or optimize your Shopify store.

Top-rated Horizon theme developers and agencies

How to hire a Horizon theme developer

Horizon is new enough that genuine experience varies sharply between developers. That's the main thing to screen for.

Ask how many Horizon builds they've shipped, and when. Horizon launched in 2025 and updates weekly. A developer who worked on it during beta and has shipped several stores since knows things that someone reading the docs this month does not — particularly around app compatibility and the settings with undocumented behaviour. Ask for live Horizon stores with dates.

If you're migrating from Dawn, get the scope right before you commit. There is no automatic migration path. Your current theme's customisations, custom sections, and app integrations all have to be rebuilt rather than ported, commonly 30-60 hours for a moderately customised store. Ask for a written inventory of what's being rebuilt before you agree a price, because "migrate us to Horizon" quoted without that inventory will change.

Have your app list ready. App compatibility is the most common source of unexpected cost. Older apps that inject into the variant picker, gallery, or cart drawer often break because those are now web components. Send your installed app list with the brief — a developer who knows Horizon can flag likely problems before starting rather than discovering them mid-build.

Ask about mobile performance specifically. Horizon's mobile PageSpeed has trailed Dawn, and some of the gap is configuration rather than architecture. A developer who has optimised Horizon on mobile will have specific opinions about animation settings and which choices cost what.

Consider whether you should migrate at all. If you're on a mature Dawn store with a custom design that performs well, the case for moving is weaker than the marketing suggests — you'd be paying for a full rebuild to reach roughly where you already are. Horizon is clearly where Shopify is investing, so the gap in what's buildable will widen, but that's an argument for planning a migration rather than rushing one. A good developer will say this.

How much does a Horizon theme developer cost?

Horizon work prices similarly to premium theme development, with migration projects at the higher end because they are rebuilds rather than upgrades. Typical ranges from developers listed on shopexperts:

Per project

$500 – $25,000

Small customisations to full Dawn migrations

Hourly rate

$70 – $200

Freelance developers to senior specialists

Monthly retainer

$600 – $4,500

Ongoing development and weekly update management

Small customisations and preset configuration run $500-$1,500. Custom block development — production-quality, properly scoped, editor-friendly — runs $800-$3,500 per block group depending on complexity. Dawn to Horizon migration runs $3,000-$25,000, driven by how customised the existing store is; the commonly quoted benchmark is 30-60 hours for a moderately customised store, and heavily customised stores run well beyond that.

App compatibility remediation, fixing apps that break against Horizon's web components, runs $600-$4,000 depending on how many apps are affected and whether workarounds or replacements are needed. Mobile performance optimisation runs $800-$3,000.

Ongoing retainers run $600-$4,500/month and are more relevant on Horizon than on other themes because Shopify ships updates weekly, which is an advantage if someone is watching and a source of surprises if nobody is. Horizon itself is free, so these fees are the entire cost. Request a free quote for a figure specific to your store.

What do Horizon theme experts do?

Most engagements are one or two of these:

Dawn to Horizon Migration

Manual rebuild of customisations, sections, and app integrations

Custom Block Development

Production blocks beyond AI generation, properly scoped and editor-friendly

App Compatibility Fixes

Apps breaking against web components and Shadow DOM

Mobile Performance Tuning

Animation settings, PageSpeed, Core Web Vitals on mobile

Preset and Design Configuration

The ten Horizon presets, typography, nested block layouts

B2B and Native Feature Setup

Volume pricing, quantity rules, quick order lists, variant swatches

Frequently asked questions about hiring Horizon theme experts

What does a Horizon theme expert do?

A Horizon theme expert handles Dawn to Horizon migration, custom block development beyond what AI generation produces, fixing apps that break against Horizon's web component architecture, mobile performance tuning, preset and design configuration across the ten Horizon themes, and native feature setup including B2B volume pricing and variant swatches. Horizon is new and updates weekly, so genuine hands-on experience varies a lot between developers.

How much does a Horizon theme developer cost?

$500 to $25,000 per project, $70 to $200 per hour, or $600 to $4,500 per month on retainer. Small customisations run $500-$1,500, custom block development runs $800-$3,500, Dawn to Horizon migration runs $3,000-$25,000, app compatibility fixes run $600-$4,000, and mobile performance work runs $800-$3,000. Horizon itself is free, so these fees are the entire cost.

Can I migrate from Dawn to Horizon automatically?

No. There is no automatic migration tool, and the block architectures are different enough that they don't translate cleanly. Migration is a manual rebuild of your customisations, custom sections, and app integrations — commonly quoted at 30-60 hours for a moderately customised store, and considerably more for heavily customised ones. This surprises most merchants, who reasonably expect a theme switch to be a theme switch. Get a written inventory of what's being rebuilt before agreeing a price.

Should I switch from Dawn to Horizon?

If you're opening a new store, start on Horizon — it's the default, the block system is more flexible, and Shopify is investing in it weekly. If you have a mature Dawn store with a custom design that performs well, the case is weaker: you'd pay for a full rebuild to arrive roughly where you already are, and Horizon's mobile performance has trailed Dawn. The strategic argument for migrating is that new Shopify features and tooling land on Horizon first, so the gap in what's buildable widens over time. That's a reason to plan a migration, not to rush one.

Why did my apps stop working after switching to Horizon?

Because Horizon's variant picker, gallery, cart drawer and predictive search are web components inside Shadow DOM, and app integration patterns written for Dawn-era themes often can't reach into them. Apps that inject markup or scripts into those areas — older upsell, swatch, reviews, and cart apps in particular — are the usual casualties. Fixes range from configuration changes to custom workarounds to replacing the app with a Horizon-compatible alternative, typically $600-$4,000 depending on how many are affected. Send your app list to any developer quoting a Horizon migration.

What's the difference between the ten Horizon themes?

They share the same engine. All ten are presets of the same underlying framework, with different default typography, hero sections, product cards, and section presets — they're tuned for different store styles rather than being architecturally different themes. The blocks, AI tools, and features are identical across all of them. That means picking a preset is a starting-point decision rather than a commitment, and swapping typography, colours and sections can make two stores on the same preset look entirely different.

Is Horizon faster than Dawn?

Not universally, and the honest answer is that it depends where you measure. Horizon has led on some desktop metrics, but its mobile PageSpeed has trailed Dawn by a meaningful margin — the gap is closing as Shopify ships updates, but it's real today. Some of it is configuration rather than architecture: the animation settings in particular have a measurable mobile cost, and choosing reduced motion recovers a chunk of it with little visual difference. Test on your own catalogue and on mobile data rather than trusting benchmarks, because catalogue size and app stack change the answer.

Does Horizon handle large catalogues well?

Less well than it handles small and mid-size ones. Horizon is strongest for brands where visual presentation and storytelling matter — fashion, lifestyle, and similar — with moderate catalogues. Reviewers testing catalogues past 500 products have found the browsing flow becomes cumbersome. If you run a large catalogue where fast product-finding is the priority, that's worth testing carefully on your own products before committing to a migration, and it may be a reason to stay on a theme built for catalogue depth.

Can I use Shopify's AI block generation instead of hiring a developer?

For simple blocks, often yes — describe what you want in plain English and Shopify Magic generates the markup, which is genuinely useful for straightforward content blocks. Where it falls short is production work: blocks that need to be properly scoped, maintainable, editor-friendly for non-technical team members, and stable across Horizon's weekly updates. The practical pattern is using AI generation for quick content blocks and a developer for anything that becomes part of your store's structure.

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