Side by side
BOB: The Bundle Builder vs Fast Bundle
Both stand on product configurator software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
BOB combines extensive bundle formats, promotion rules, widgets, and AI recommendations inside Shopify. Review order limits, data permissions, and the plan level before deployment.
Visit BOB: The Bundle Builder
Free plan Web
Fast Bundle provides several bundle formats and revenue-based plans inside Shopify. Check the free-plan sales ceiling, revenue-linked pricing, and data-location policy before choosing a plan.
Visit Fast BundleThe facts
| BOB: The Bundle Builder | Fast Bundle | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Basic: $29 a month | Standard (up to $1,000 revenue from Fast Bundle): $180 a year |
| Plans published | 5 | 12 |
| Maker | BOB: The Bundle Builder | Not published |
| Website | kartsmith.com | fastbundle.co |
| On product configurator software | #35 of 111 | #31 of 111 |
BOB: The Bundle Builder: what it does well
- Supports nine bundle and offer types
- Includes cart and product-page upsells
- AI recommendations can be fine-tuned
- Free plan available
- Integrates with Checkout, Shopify Admin, and Klaviyo
What to know first
- Paid plans limit monthly orders except Unlimited
- App may access customer and staff data
- English is the listed language
- Embedded Shopify deployment only
Fast Bundle: what it does well
- Fixed, Mix & Match, BOGO, and volume bundles
- Inventory alignment for fixed bundles
- Free plan available
- 7-day trials on paid plans
- 24/7 support advertised
What to know first
- Free plan limited to $500 monthly bundle sales
- Pricing tied to generated bundle revenue
- Data stored and processed outside Europe
- Shopify POS integration listed for Enterprise
Alternatives to BOB: The Bundle Builder Alternatives to Fast Bundle The whole list