Three-way comparison

Astra vs Kadence vs Next.js: Two Theme Bundles and a Third Road

Astra now sells AI site generation and hosting. Kadence now sells security, backups and memberships. Both began as free themes and both are turning into whole stacks, which raises a fair question: if you are buying a stack anyway, why not buy one that was designed as one?

October 11, 2026 · 11 min read

The short answer

Pick Astra if you want a Customizer theme that works with nearly any page builder and a lifetime license option. Pick Kadence if you build with blocks and want store, membership and security tools from one vendor. Pick a Next.js build with Athena CMS when speed, custom features or lead flow decide the revenue.

On this page
  1. Both vendors stopped selling just a theme
  2. Sixteen rows: Astra, Kadence and a coded site
  3. The strongest argument for each of the three
  4. Where Astra and Kadence quietly part ways
  5. What five years costs, line by line
  6. Matching the choice to the business
  7. Leaving later: the Astra exit and the Kadence exit

Both vendors stopped selling just a theme

Astra's 2026 pricing page leads with AI bundles. Each one includes the ZipWP site-generation platform for three years, between one and five hosted WordPress sites, and a free domain for the first year. Astra Pro by itself is still for sale, tucked under a line that reads "Just want Astra Pro?" Kadence went further. In May 2026 Liquid Web folded SolidWP into Kadence Security, Iconic into Kadence Shop Kit and Restrict Content Pro into Kadence Memberships, then swapped its add-ons for three per-site plans.

None of this is sinister. A free theme with a million installs has to pay for itself somehow. But it changes what you are shopping for. You are no longer picking a header builder and a font panel. You are picking whose plugins sit on your server, whose renewal email arrives each year, and whose support queue you join when an update misfires. That is when a third option earns a hearing: a Next.js build with Athena CMS, where the whole site is one tested codebase and no feature is rented by the year.

If you only want the two-theme fight, our Astra vs Kadence head-to-head settles it on its own terms. This page is for the reader who has started to wonder whether the right answer is neither, and wants the evidence laid out before deciding. Every price and version below was checked on October 6, 2026.

Sixteen rows: Astra, Kadence and a coded site

The first two columns assume a real business site, not a fresh demo: the free theme plus the paid add-on most owners end up buying. The third column is a custom Next.js site with Athena CMS, the content system DataCram includes with every build. Cells are short. The Astra review and the Kadence review carry the long version with sources.

Astra vs Kadence vs a Next.js build with Athena CMS, checked October 2026
Astra + Astra ProKadence + a Kadence planNext.js + Athena CMS
Who makes itBrainstorm Force; on wordpress.org since 2017Kadence WP, now sold by Liquid Web; wordpress.org author listed as NexcessDataCram builds it; Athena comes with the site
What gets installedTheme, Astra Pro plugin, Starter Templates, usually a page builderTheme, Kadence Blocks, Theme Kit Pro, Starter TemplatesNothing on a live server; one build, tested before release
How pages are madeCustomizer for design; Spectra, Elementor or another builder for contentCustomizer for design; Kadence Blocks in the block editor for contentComponents written once in code; owners fill plain fields
Header and mobile menuFree drag-and-drop header; tablet toggle at 921px, movable only by PHP filterTwo headers, desktop and Tablet/Mobile; the switch sits at 1024px in theme CSSBreakpoints chosen per design and checked on real phones
CSS deliveryCustomizer CSS printed inline; CSS file generation listed as a Pro featureCSS split by component; Customizer CSS added inline to kadence-globalOnly the styles each page uses, bundled at build time
FontsLoad Google Fonts Locally, with preload, under Astra > Settings > PerformanceLoad Google Fonts Locally with optional preload, free in the Customizernext/font self-hosts the files; no request to Google
jQuery on the front endOne WooCommerce script depends on it in 4.14.0Only WooCommerce scripts depend on it in 1.5.2None; Server Components keep browser JavaScript small
WooCommerceFree cart basics; quick view, two-step checkout and AJAX add to cart need ProShop Kit (WooThumbs, Flux checkout, swatches) on the Pro and Elite plansAthena's own store, or checkout code written for you
MembershipsA separate membership plugin from another vendorKadence Memberships, formerly Restrict Content Pro, on Pro and EliteAthena login levels with Stripe subscription billing
SecurityWhatever security plugin you add and keep currentKadence Security in Pro: firewall, 2FA, virtual patchingNo public admin panel; Aegis checks daily for backdoors
Price, as of October 2026Astra Pro $69 a year for 3 sites, or $249 lifetimeEssentials $99, Pro $299, Elite $499 a year, priced per siteOne fixed quote after a free audit; no license fees
Renewal termsAI bundles renew at full price: $149, $299 or $429 a yearLet it lapse and you must buy a current plan to restore accessMonthly hosting and maintenance plan, no long contract
How updates arriveLive, one click; the 4.13.x series brought fatal errors and rollbacksLive, one click; a 1.5.x release shipped without its scroll-up scriptBuilt, tested and previewed, then deployed
SEO and schemaLeft to an SEO plugin such as Rank Math or YoastMicrodata Schema toggle in the free performance panel, plus a pluginMetadata and structured data written per page type; Iris tends titles
Content if you leavePortable if built in core blocks; trapped if built in a builderKadence Blocks layouts need that plugin to render as designedPlain fields that export cleanly
Who changes layoutsYou, in the Customizer or your builderYou, in the Customizer or the block editorA developer for new layouts; you for words, images and products

Read the price and renewal rows together and a pattern shows. Both vendors make year one cheap and attach the real cost to what happens later: Astra through full-price renewals on its bundles, Kadence through a lapse clause that ends your grandfathered rate. The Next.js column trades those small yearly fees for a larger build cost up front. The same trade, without any theme in it, is argued at length in WordPress vs Next.js vs Athena CMS.

The strongest argument for each of the three

Astra wins when the builder is already chosen

Astra's quiet talent is getting along with everyone. Its pricing page lists compatibility with Elementor, Beaver Builder, Divi Builder, Brizy, WPBakery, Visual Composer and Thrive Architect, and the Pro mega menu can pull templates from several of them. An agency that standardized on one builder years ago can drop Astra underneath and keep working. The $249 lifetime license covers three sites with no renewal, and the Business Toolkit stretches to 1,000. Our Astra vs Next.js comparison runs this theme through twenty-two rows on its own.

Kadence wins when one vendor should own the whole shelf

Kadence makes the best case for a single-supplier WordPress stack. The free theme already includes local Google Fonts, CSS preload and an optimized group block, which many rivals charge for. The Pro plan then adds Shop Kit, memberships, a firewall, two-factor login and daily backups with one-click restore. Even the free theme ships integration stylesheets for LearnDash, LifterLMS, GiveWP and Rank Math. A course seller who wants one invoice and one login has a real reason to stay. The Kadence vs Next.js page tests where that reason runs out.

Next.js with Athena wins when the site is the salesperson

A coded site makes sense when pages earn money directly: a contractor whose calls come from search, a clinic booking appointments, a company publishing hundreds of location or product pages from data. Pages are prerendered and served from a CDN, images are resized by next/image, and redirects live in code where no plugin can lose them. Owners edit in Athena's plain fields with a real preview. The honest costs: a bigger first invoice, and a developer for any new page type.

Where Astra and Kadence quietly part ways

On speed, both themes start small and both say so. Astra's homepage claims a 0.5 second load and under 50 KB of resources; Kadence's sales page promises "clean, efficient code". Those are vendor claims, measured on vendor demos. The difference that matters lives in delivery: Astra prints its Customizer CSS inline unless you have Pro's file generation, while Kadence splits its stylesheets by component. Our Astra speed guide and Kadence speed guide walk through the settings by name.

On support, the two companies are heading in different directions. Astra's wordpress.org forum stays busy, and recent threads there show regressions in the 4.13 series and a Customizer that, for one user on WordPress 7.0, took about 127 seconds to load. Kadence retired its community forum in favor of tickets, and one owner reported six unanswered tickets in six days after a Kadence Blocks update stripped internal links from posts.

The third option

Athena CMS, with AI agents on staff.

Not a theme and not a blank Next.js repo. The content system we put behind every custom site: plain fields, a real preview, every version kept, and AI agents that handle the chores a plugin only nags you about.

and 12 more agents. Two come with Athena; the rest are monthly add-ons.

The Athena CMS editor: plain fields with AI rewrite, a Publish box and revisions

What five years costs, line by line

We will not print a grand total. Any five-year figure for a WordPress site depends on which plugins you add in year three, and any figure for a custom build depends on what the site has to do. What we can do is name every category of spending, so you can price your own.

Cost categories over five years for Astra, Kadence and a Next.js build with Athena CMS
Cost categoryAstraKadenceNext.js + Athena CMS
Theme or platform licenseFree theme; Astra Pro $69 a year or $249 lifetime (October 2026)Free theme; plans from $99 a year, priced per site (October 2026)None; Athena is included with the build
What year two looks likeBundle renewals jump to full price; the lifetime option has noneSame plan price; a lapse forfeits legacy pricingHosting and maintenance, billed monthly
Plugins beyond the vendorForms, SEO, caching, security, backups, memberships, each priced separatelyFewer, since Pro bundles security, backups and membershipsNone at runtime; features are part of the code
HostingPHP hosting that keeps up with WooCommerce and a builderPHP hosting sized for the same stackStatic and serverless hosting, often modest
Building the siteStarter template plus your time, or a designer'sStarter template plus your time, or a designer'sA custom build, quoted after a free audit
Repairs after updatesUnpredictable; the 4.13 series is the recent exampleUnpredictable; the 2026 consolidation added confusionRare; changes are tested before deploy
Leaving laterDepends on the builder you paired with itDepends on how deep Kadence Blocks and Shop Kit goContent exports from plain fields

The categories that surprise owners are the last three. Nobody budgets for the Tuesday a theme update breaks checkout, and nobody budgets for the rebuild that ends a theme's run. Our WordPress vs Next.js cost breakdown explains how each line behaves over time, and website financing spreads a custom build across months if the up-front number is the obstacle.

Matching the choice to the business

Five-page service business, small budget

Either free theme will do. Astra if you like a page builder, Kadence if you like blocks. Spend the savings on photography.

Agency with dozens of client sites

Astra's Business Toolkit covers up to 1,000 sites. Kadence prices per site, with white label and a client portal on Elite. Count your sites before you count features.

Course or membership seller

Kadence Pro bundles memberships and LMS styling. If the membership is the product, Athena's membership areas with Stripe billing remove a plugin layer.

Small WooCommerce shop

Kadence's Shop Kit is broader; Astra Pro covers the basics. Under a few dozen products, either theme is fine.

Contractor or clinic living on leads

Next.js. Speed, forms that never silently fail, and Argus watching both are worth more than a theme's feature list.

Hundreds of location or product pages

Next.js. Generating pages from data is a build step, not a plugin with a page limit.

Leaving later: the Astra exit and the Kadence exit

Choosing a theme today does not lock you in forever, but it does decide how much work the exit takes. With Astra, the hard part is rarely Astra itself. Customizer settings are design, not content, and they get rebuilt anyway. The weight sits in whatever builder you paired with it and in any Site Builder layouts or hooks. Our Astra to Next.js migration guide maps each piece.

With Kadence, look at the blocks. Pages built from Kadence Blocks carry that plugin's markup and settings, Theme Kit Pro's hooked elements hold headers and banners, and Shop Kit or Memberships hold store and member data that must be carried across carefully. The Kadence to Next.js migration guide covers each in order.

  1. 1

    List what the theme and its plugins actually do

    Every page, form, member level, product option and redirect, written down before anything moves.

  2. 2

    Map old URLs to new ones

    Keep addresses where possible and plan a permanent redirect for each one that changes.

  3. 3

    Move content into Athena fields

    Posts, pages and products land in plain fields, with images resized and described.

  4. 4

    Launch and watch search data

    We keep your URLs and redirect every old one, then watch Search Console after the switch.

Either way, the guide to migrating without losing SEO applies. If you want the work done rather than described, our WordPress to Next.js development service starts with a free audit, and the comparisons hub has more matchups if you are not ready to leave WordPress yet.

Questions people ask before they call

Neither publishes an independent benchmark. Astra claims under 50 KB of resources; Kadence claims clean, efficient code. In practice the plugins you add decide the score far more than the theme. Build one real page in each on a staging site and test both the same way, as our theme speed test guide describes.

Not for a simple site. Astra Pro adds the Site Builder, mega menu, sticky header and most WooCommerce extras. A Kadence plan adds Theme Kit Pro, and at Pro level Shop Kit, memberships, security and backups. As of October 2026 Astra Pro starts at $69 a year and Kadence Essentials at $99.

According to the Kadence terms, the products keep working but you lose updates, premium support and premium templates. Customers on legacy, pre-May 2026 pricing keep it only while subscribed; after a lapse you must buy one of the new plans to restore access.

For most small businesses, yes. Athena includes a built-in store and password-protected membership areas with login levels and Stripe subscription billing. Very large catalogs or unusual checkout rules get custom work. Read more on Athena membership sites.

Up front, yes. A custom build costs more than a starter template. Over several years the gap narrows, because there are no theme or plugin renewals and fewer repair bills. We quote a fixed price after a free site audit, and financing is available.

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