Rapid Bundles & Upsell app vs SellApp: Bulk Discounts
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for Rapid Bundles & Upsell, Oct 14, 2026 for SellApp.
The short answer
- Paid plans start at $15/month for Rapid Bundles & Upsell and $4.99/month for SellApp.
- Rapid Bundles & Upsell lists 50 features SellApp’s listing doesn’t mention, including A/B testing, Analytics, Automations.
Head to head
- United States
- France
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Forever free
- · A/B testing
- · Basic support
- · Build your own box (BYOB)
- · Bundle Subscription
- · Combo Bundle & Mix and match
- · Unlimited bundles & Post purchase upsell
Starter
- · 24/7 chat & email support
- · A/B testing & Color swatch
- · Build your own box (BYOB)
- · Color swatch, Free gifts & Upsells
- · Mix and match different products
- · Progress bar & price rounding
Pro
- · 24/7 chat & email support
- · Advanced A/B testing & Color swatch
- · Build your own box (BYOB)
- · Mix and match different products
- · Mix and match different products
- · Progress bar & price rounding
Elite
- · API and MCP
- · Advanced A/B testing with AI
- · Entreprise custom features
- · Exclusive support 7/7
- · Unlimited revenue generated and features
Monthly Plan
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureA/B test your product bundles deals, quantity discount, BOGO (Buy One Get One FREE), upsells, subscription bundles, tiered pricing, Volume discount, progress bar bundles, tiered discount, Bundle & Bulk, frequently bought together & Quantity Breaks.
SellApp helps merchants increase order value with quantity discounts and product page offers. Merchants set discount tiers per product, such as buy more and save more, and the discount applies automatically at checkout. A theme app extension shows the offer on the product page so customers see the deal while shopping. Offers are managed from the Shopify admin without custom theme code.
- Boost your profit with bundles, cross-sell, sweet upsells, coupon & BOGO offers
- No-coding required Chose you products, add bundles, volume discounts & publish
- Integrates with any theme. Select your product, add quantity breaks & publish
- Full customization: block size, colors, Text type, block background, font style
- Set quantity discount tiers per product, such as buy 2 or buy 3 and save.
- Show offers on the product page with a theme app extension.
- Apply discounts automatically at checkout without discount codes.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Rapid Bundles & Upsell |  SellApp |
|---|---|---|
| Detected stores | 2,394 | Not published |
| Net store change, 28 days | −25 | 0 |
| Stores added, 28 days | 55 | Not enough data |
| Big-brand share | 7% | Not enough data |
| Top store categories | Health & Beauty, Apparel & Accessories, Home & Garden | Not published |
| Top store countries | United States, France, United Kingdom | Not published |
Reviews
| Measure | Rapid Bundles & Upsell | SellApp |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1,616 | Not published |
| New reviews, 28 days | 31 | Not enough data |
| Reviewers a year or more in | 4% | Not enough data |
Pricing
| Measure | Rapid Bundles & Upsell | SellApp |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $15/month | $4.99/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 4 | 1 |
Listing
| Measure | Rapid Bundles & Upsell | SellApp |
|---|---|---|
| Shopify category rank | #3(ahead) | #135 |
| Shopify App Charts | #1 in Upsell and bundles - Other | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jan 3, 2022 | Sep 21, 2026 |
| Languages | 1 | 1 |
| Developer | Rapid Bundle | Upsells | Cart Drawer | Subscriptions | FOS Apps LLC |
FAQ
Rapid Bundles & Upsell and SellApp: common questions
- Is Rapid Bundles & Upsell or SellApp cheaper?
- Paid plans start at $15/month for Rapid Bundles & Upsell and $4.99/month for SellApp. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Rapid Bundles & Upsell lists 50 the others don’t mention, such as A/B testing, Analytics, Automations, Banners. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 7, 2026 for Rapid Bundles & Upsell, Oct 14, 2026 for SellApp; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 7, 2026 for Rapid Bundles & Upsell, Oct 14, 2026 for SellApp. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.