Dawn is the better free Shopify theme for almost everyone in 2026, but the comparison is not as simple as “Dawn wins”. Debut is no longer available for new Shopify stores, but if you already have it, the migration to Dawn is not free of friction. This post covers the real differences in speed, features, customization, and the migration path, plus the few cases where staying on Debut still makes sense.

We detect themes across the Shopify ecosystem and see both Dawn and Debut running on real stores every day. Dawn is the most-detected theme in our entire dataset and the default for every new account. Debut still runs on a long tail of legacy stores, and some are deliberately staying there. Our full Debut theme review looks at how those stores perform today. The comparison below is built from what we see on actual storefronts, not the marketing claims either theme makes.

Key Takeaways
1
Dawn is Shopify’s default free theme. Debut was discontinued in late 2022 and is not available to new merchants. If you do not already have Debut, you cannot install it.
2
Dawn runs on Online Store 2.0 with JSON templates and supports app blocks on every page except checkout. Debut is Online Store 1.0 and supports neither.
3
On real-world Core Web Vitals the two themes are closer than the usual “Dawn is much faster” line suggests, though the two samples are nothing alike. The live figures are in the speed table below.
4
Migration from Debut to Dawn is straightforward for stores with under 100 products and minimal custom code. It gets complicated when you have custom liquid edits, third-party integrations tied to Debut’s template structure, or heavy theme customization.
5
Stay on Debut only if your store is heavily customized, or your team lacks the time to retest critical flows after migration.
6
Dawn is better long-term. Shopify only ships new theme features for Online Store 2.0 themes. Debut will not get new features, and edge-case bugs will go unpatched.

Is the Debut Theme Still Available?

Debut is no longer available for new Shopify stores. Shopify discontinued the Debut theme in late 2022 when Online Store 2.0 became the standard, and removed it from the theme library shortly after. You cannot install Debut from the Shopify admin, and there is no download link. If you have a store with Debut already installed, you can keep using it, but you cannot move it to a new Shopify account. It still runs on a sizable legacy base of live stores, which you can see on our Debut usage statistics page.

This matters because most “Dawn vs Debut” content online assumes both themes are options for a new store. They are not. The real choice is: keep an existing Debut install, or migrate to Dawn (or a different theme). If you are starting a new store, Dawn is your free option, and the comparison below tells you what you are getting versus what merchants on Debut still have.

Dawn vs Debut: At a Glance

Feature Dawn Debut
Availability Available for all stores Retired late 2022, new stores cannot install
Architecture Online Store 2.0 (JSON templates) Online Store 1.0 (Liquid templates only)
App blocks Supported on all pages except checkout Not supported
Sections On all page types Homepage only
Metafields Native support in theme editor Requires manual Liquid edits
Price Free Free (but unavailable to new stores)
Best for New stores and growing merchants Legacy stores with heavy customization only

Here is how the two themes actually sit in our detection data right now, side by side.

DawnDawn
Debut
Share of stores in our dataset15%0.8%
Popularity rank#1#19
PriceFree
Reception35% positive (287 reviews)
DeveloperShopify
Avg apps on their stores5.76.3
Apps most used on their stores
  • Judge.me Product Reviews App 36.8%
  • Klaviyo 29.7%
  • Loox ‑ Product Reviews App 17.7%
  • Recharge 14.7%
  • Yotpo 9.1%
  • Klaviyo 35.4%
  • Judge.me Product Reviews App 24.2%
  • Recharge 20.1%
  • Loox ‑ Product Reviews App 18.5%
  • PageFly ✦ AI Page Builder 13%
Common store typesSubscription, Multichannel & Marketplaces, Wholesale / B2BSubscription, Wholesale / B2B, Dropshipping

Design and Customization

Dawn looks more modern out of the box. The default Dawn store has large hero media, generous whitespace, a thumb-friendly mobile cart, and product pages that lean editorial. Debut still has the look of a 2018 Shopify storefront: smaller hero images, tighter grids, less whitespace, and a product page layout that feels dated next to current ecommerce standards.

Customization is where the gap really shows. Dawn lets you add, reorder, and remove sections on any page type (product, collection, blog, even pages) through the theme editor. Debut limits sections to the homepage. Want to add a “customer reviews” section to a product page in Debut? You are editing liquid. Same task in Dawn? Drag-and-drop in the editor, no code.

For a deeper view of how customization options differ between free Shopify themes, see our breakdown of the free Shopify themes vs paid options.

Features

Online Store 2.0 is the real story here. Dawn ships with the full 2.0 feature set: JSON templates, app blocks, dynamic sections, native metafield support, and the new theme editor. Debut ships with Online Store 1.0 features only. Practically, that means every modern app integration (custom product page builders, advanced reviews, subscription apps) is faster to install on Dawn because it can use app blocks instead of code edits.

Dawn also supports the new Shopify checkout extensibility. Debut does not. If you plan to customize the checkout (post-purchase upsells, custom delivery options, third-party payment apps), Dawn is the only one of the two that supports it through the modern checkout UI extensions framework.

What Debut had that Dawn does not: a slightly more familiar interface for merchants who started Shopify before 2022. That is a small advantage, and Shopify documentation has fully moved to the Dawn-style editor, so the familiarity gap closes within a week or two of using Dawn.

Performance and Core Web Vitals

The claim you will read everywhere is that Dawn is dramatically faster than Debut. Our own field data says the picture is more complicated. These are real-user Core Web Vitals from the stores our detector scans, not a lab test on an empty demo store.

ThemeCWV pass rateFew appsMedian LCP
Debut71.6%87.7%1.6s
Dawn70.6%79.8%1.7s

Two things explain those numbers. First, the two samples are nothing alike. Only a small fraction of the Debut stores we detect carry enough traffic to appear in Chrome’s real-user dataset at all, and the ones that do are long-established shops with smaller catalogs that have had years of tuning. Dawn’s figures span a far larger and much more varied set, including brand new stores nobody has optimized yet. Read the table as two different populations, not as the same store running two themes. Second, Debut’s speed problem was never the empty theme. It is what happens once you add apps to a theme that renders the whole page, apps included, before the browser can paint.

That is the part that matters if you are choosing today. On a clean install with two or three apps, the gap is small. Online Store 2.0 defers app code until it is needed, so as your app stack grows Dawn holds its speed and Debut does not. Picking a theme is a decision about where your store will be in two years, not where it is in week one.

The live figures for Dawn, including the Core Web Vitals split and which apps its stores run, sit on our Dawn usage statistics page and update as we rescan.

Pricing and Availability

Both themes are free. The catch: Debut is no longer available to install. Shopify removed it from the theme library in late 2022. If your store has Debut already, you keep it. If you started your store after late 2022, you have Dawn (or whichever default Shopify assigned you on signup).

Paid alternatives are worth considering if you outgrow Dawn’s free feature set. Dawn handles most stores well into six figures of revenue, but features like deep variant filtering, advanced lookbooks, or drop-style countdown timers typically require a paid theme. See our roundup of best Dawn Shopify theme alternatives for paid options that match Dawn’s clean architecture.

Best For

Dawn is best for any new Shopify store. It is also the right choice for existing Debut stores under 500 SKUs with limited custom code. The migration is fast, you get the full Online Store 2.0 feature set, and your store stops falling further behind every time Shopify ships something new.

Debut is best (or rather, “do not migrate yet”) only in three cases. First, if your store has deep custom liquid code that ties into Debut’s template structure, the migration cost can exceed what you get back. Second, if your traffic is low enough that a speed difference does not move revenue (under roughly 100 sessions a day), the urgency is lower. Third, if you have third-party integrations that target Debut’s specific template names (rare but real for older apps), migrating breaks the integration until the app vendor updates.

If any of those three apply, plan the Dawn migration over the next 6-12 months, not this week. If none of them apply, migrate now.

How to Migrate from Debut to Dawn

Migration is mostly mechanical. The high-level path: install Dawn as a new theme, customize it to match your current Debut store’s content, test it on a development store, then publish.

  1. Install Dawn from the Shopify Theme Store. It is free and lands in your Themes Library as an unpublished theme.
  2. Duplicate your live Debut theme before doing anything else. This is your backup if migration breaks something.
  3. Copy content over. Headings, hero images, product descriptions, blog posts, and navigation all live in Shopify’s database, not the theme, so they carry over automatically. You only need to rebuild the visual layout in Dawn’s editor.
  4. Rebuild custom code. Any liquid edits you made to Debut do not carry over. You need to redo them in Dawn’s JSON template structure, which is different. For most stores this is the longest step.
  5. Test critical flows: add-to-cart, variant selector, checkout, mobile menu, search, and any third-party app you depend on. Test on mobile and desktop.
  6. Publish Dawn. Keep the Debut duplicate as an unpublished backup for 30 days in case you find a regression.

Stores with no custom code finish migration in a day. Stores with moderate customization finish in a week. Stores with heavy customization should budget 2-4 weeks and consider hiring a Shopify Expert. If your store is in the heavy-customization category, our list of best Debut Shopify theme alternatives covers paid themes that may be a better destination than Dawn.

Verdict: Which Should You Choose?

Choose Dawn. It is the only one of the two available to new stores, it runs on Online Store 2.0, it holds its speed as you add apps, and it gets ongoing feature updates from Shopify. If you have a working Debut store and the three “do not migrate yet” cases above do not apply, plan the move to Dawn this quarter. The longer you wait, the further behind on Shopify’s new features your store falls.

If your needs go beyond what Dawn can do (advanced merchandising, drop-style launches, deep variant filtering), Dawn is still the right starting point. Use it to validate the store, then upgrade to a paid theme when revenue justifies it. The Shopify CLI vs Theme Kit choice covered in our dev tooling comparison is the next decision if you are developing or heavily customizing.