Comparison · verified 2026-10-08
Fast Bundle alternative: Happy Bundle vs Fast Bundle
Fast Bundle (FBP) has been selling bundles on Shopify since 2020 and has a long list of integrations. Here is how it compares with Happy Bundle, from its App Store listing.
Happy Bundle vs Fast Bundle, feature by feature
Yes No Not listed (the app's listing and help pages don't mention it)
| Feature | Happy BundleFree forever | Fast Bundle |
|---|---|---|
| Offer types | ||
| Quantity breaks (Buy 2, save 10%) | YesPercentage, amount off, set price or free units per tier | YesListing |
| Fixed bundles | Yes | YesListing |
| Bundle sold as its own product, split into its items at checkout | YesIts own product page; at checkout it splits into its items | YesHelp center: Cart Transform bundle product |
| BOGO and buy X get Y | YesFree units in a tier, or a bundle with Y free or discounted | YesListing |
| Mix and match | YesA one-step picker on the product page | YesListing |
| Multi-step build a box | No | YesMulti-step mix and match (seen in its admin) |
| Free gift at a tier | YesThe gift is added to the cart for the shopper | YesListing |
| Gift ladder (more gifts at bigger tiers) | Yes | Not listed |
| Paid add-ons on the product page | YesCheckbox or quantity stepper, with a per-order maximum | YesListing |
| Frequently bought together | YesPicked from your own orders, refreshed weekly (switch it on) | YesAI-powered (listing) |
| Subscriptions with offers | YesQuantity breaks only, with selling plans | YesWorks with subscription apps (listing) |
| Personalization text field | YesA text field on the offer | Not listed |
| Offers inside the cart | YesAdd-ons in your theme's cart (switch it on) | Not listed |
| Post purchase upsell | No | Not listed |
| Bundle landing pages | No | YesHelp center: Bundles page and Bundle Builder page |
| Sizes and colors per item | ||
| A size and color picker for each item in a deal | YesIn quantity breaks, bundles and mix and match | YesHelp center: variant per item |
| Price follows each pick | YesThe page, button and cart show the same price | YesHelp center: total updates with chosen variant |
| Offer limited to certain variants | Yes | YesHelp center: uncheck variants to exclude |
| Sold-out sizes marked or hidden | YesMarked and not pickable, or hidden | YesHelp center: sold out badge or hide |
| Color swatches | YesReads the swatches you set in Shopify | YesHelp center: color and image swatches |
| Design and theme fit | ||
| Uses your theme's look | YesYour theme's fonts; Copy my theme's look copies its colors and corners | Not listed |
| Several layouts | YesStacked, card or compact | YesHelp center: several templates |
| Badges (Most popular, Best value) | Yes5 badge styles | YesHelp center: Most Popular badge |
| Custom CSS | Yes | YesHelp center: Custom CSS and JS |
| Live preview while editing | YesOn your own product | YesSeen in its editor |
| Offer price on the add to cart button | YesSwitch it on | Not listed |
| Sticky add to cart bar with the offer | YesSwitch it on per offer | Not listed |
| Countdown timer and low stock notice | Yes | Not listed |
| Cart and checkout | ||
| Discount applied by Shopify at checkout (no draft orders) | YesShopify Functions; your product prices are not changed | YesHelp center: Shopify Functions discount |
| Works with your discount codes | YesOrder and free shipping codes set to combine with product discounts | YesHelp center: combine with discount codes |
| Stock and SKUs update per item | Yes | YesHelp center: stock and SKUs per item |
| Tier price applies however items reach the cart | YesQuantity breaks, for example from a collection page button | YesHelp center: Automatic Bundle Detection |
| Shopify POS | YesQuantity breaks, BOGO and bundles, tested 2026-10-08 | Yes"POS-ready options" |
| Targeting and scheduling | ||
| Offers for first-time customers | Yes | Not listed |
| Target or exclude customer tags | Yes | YesEnterprise plan, on request |
| Start and end dates | Yes | YesHelp center: active dates |
| Analytics and A/B tests | ||
| Revenue and order value from offers | YesRevenue, orders, order value with and without an offer | YesListing tags |
| Export to CSV | Yes | YesHelp center: analytics CSV by email |
| A/B tests | YesUp to 4 versions, winner picked automatically | YesListing tag |
| Languages and currencies | ||
| Offer text in the shopper's language | Yes136 storefront languages, editable | YesMulti-language tag |
| App admin in other languages | Yes12 languages: English, German, Spanish, Italian, French, Portuguese (Brazil and Portugal), Dutch, Swedish, Danish, Norwegian, Finnish | Yes10 languages |
| Prices in the shopper's currency | Yes | YesMulti-currency tag |
| AI tools and integrations | ||
| Connect Claude or ChatGPT | YesEvery admin action; changes need your confirmation | Not listed |
| AI recommendations or AI images | No | YesAI frequently bought together, AI bundle image generator |
| Klaviyo | YesAdded to Cart and Placed Order events | Not listed |
| Support | ||
| Email support | Yessupport@happybundle.app, from the team that builds the app | YesHelp center: support email |
| Live chat in the app | YesChat with our team in the app (not 24/7) | Yes24/7 support in English (plans) |
| Price and caps | ||
| Price | Free forever for stores that install now. Every feature, no cap. | $19 to $139 a month; auto bundle detection +$49 |
| Revenue or sales cap | NoNone | YesUp to $1,000, $3,000 or $10,000 of monthly bundle sales |
| Per-order fee | NoNone | Not listed |
| Free plan on a live store | YesEvery feature | NoFree for development stores only (listing) |
Sources. Fast Bundle: listing 2026-10-08; its admin on our test store 2026-10-08. Happy Bundle: the app as released on 2026-10-08. "Not listed" means the feature is not on the app's App Store page, help center or site. "No" means a source says it is not offered, or our check of the listing and the app's own site found it missing.
Where Fast Bundle is the better choice
- Multi-step build a box: Multi-step mix and match (seen in its admin) (Happy Bundle: no)
- Bundle landing pages: Help center: Bundles page and Bundle Builder page (Happy Bundle: no)
- AI recommendations or AI images: AI frequently bought together, AI bundle image generator (Happy Bundle: no)
- Six years on the App Store (since November 2020) and many more reviews.
- Named integrations with subscription apps and more cart drawers, and an optional automatic bundle detection add-on.
Where Happy Bundle is the better choice
- Price: free with no monthly bundle sales cap; Fast Bundle's plans are priced by bundle sales.
Which one fits your store
Choose Fast Bundle if
- You need a guided custom kit builder
- You rely on the subscription or page builder apps it integrates with
Choose Happy Bundle if
- You want no bill tied to bundle sales
- You mainly sell quantity breaks and bundles on the product page
- Shoppers pick different sizes and colors
Questions merchants ask
What are good Fast Bundle alternatives?
Happy Bundle (free, no sales cap), Bundler (free plan with no revenue cap) and Kaching Bundles are the most common. See our bundle apps roundup.
How much does Fast Bundle cost?
Per its App Store listing on 2026-10-08: $19 a month up to $1,000 of monthly bundle sales, $49 up to $3,000 and $139 up to $10,000, with a 7-day free trial. Automatic bundle detection is an optional $49 a month.
Does Fast Bundle have a free plan?
Its App Store listing shows free use for development stores. Its website, read on 2026-09-26, also mentioned a free plan for eligible merchants with bundle sales up to $500 a month.
Read next
- Best bundle appsThe dated roundup
- Best quantity breaks appsTiers and volume discounts
- All comparisonsOne line each
- Happy Bundle pricingFree forever
Try Happy Bundle on your store
Install it from the Shopify App Store and create your first offer. Free forever for stores that install now. Every feature, no revenue cap. If paid plans come later, they are only for new stores. Yours stays free.
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