Flex Bundles vs NERD Discount/Bundle Functions
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 23, 2026 for Flex Bundles, Nov 5, 2026 for NERD Discount/Bundle Functions.
The short answer
- On the Shopify App Store: Flex Bundles 5.0 from 13 reviews and NERD Discount/Bundle Functions 5.0 from 11 reviews.
- Paid plans start at $99/month for Flex Bundles and $29/month for NERD Discount/Bundle Functions.
- Flex Bundles lists 6 features NERD Discount/Bundle Functions’s listing doesn’t mention, including Fixed pricing, Flat discounts, Infinite option bundles.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · A/B price test your bundles
- · Bundle analytics & sales data
- · Developer-friendly, no rigid templates
- · Expanded line items in checkout
- · Maps cleanly to ShipStation & your 3PL
- · Real-time inventory sync
Growth
- · A/B price test your bundles
- · Bundle analytics & sales data
- · Developer-friendly, no rigid templates
- · Expanded line items in checkout
- · Maps cleanly to ShipStation & your 3PL
- · Real-time inventory sync
Pro
- · A/B price test your bundles
- · Bundle analytics & sales data
- · Developer-friendly, no rigid templates
- · Expanded line items in checkout
- · Maps cleanly to ShipStation & your 3PL
- · Priority support
Scale
- · A/B price test your bundles
- · Bundle analytics & sales data
- · Dedicated support
- · Developer-friendly, no rigid templates
- · Expanded line items in checkout
- · Maps cleanly to ShipStation & your 3PL
Basic
- · 1 Cart transform operation
- · 3 Discount functions
- · Advanced rule builder
- · Free on development stores
- · Test panel
Advanced
- · 10 Cart transform operations
- · 25 Discount functions
- · Advanced rule builder
- · Free on development stores
- · Metaobjects as dynamic data
- · Test panel
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureFlex Bundles helps high-volume brands launch bundles that are too complex for templated apps. Build fixed, mix-and-match, build-your-own, tiered, BOGO, and subscription bundles with your own design, logic, and pricing. Bundles run natively through checkout and fulfillment as real line items, so pricing, inventory, and order data stay accurate.
Tired of not being able to use Shopify Functions inside your non-Plus store? With NERD Functions, you can create discount functions and cart transform to configure any bundle or discount functionality. With the advanced no-code rule builder and access to lots of custom data, you have infinite ways of enhancing your merchandising.
- Create multiple bundle types: fixed, dynamic (mix-and-match), and automated.
- Apply percentage, exact or progressive tiered discounts.
- Add custom line item properties and attributes with dynamic variable support.
- Native implementation with no external JS for optimal site performance.
- Create cart transform and discount functions for any scenario
- Advanced rule builder and access to your own custom data for a detailed setup.
- Integrated test panel with dynamic test data to make sure, everything works fine
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 |  Flex Bundles |  NERD Discount/Bundle Functions |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Flex Bundles | NERD Discount/Bundle Functions |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 13(ahead) | 11 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Flex Bundles | NERD Discount/Bundle Functions |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $99/month | $29/month(ahead) |
| Longest free trial | 14 days | 7 days |
| Plans listed | 4 | 2 |
Listing
| Measure | Flex Bundles | NERD Discount/Bundle Functions |
|---|---|---|
| Shopify category rank | #148 | #92(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Dec 12, 2024 | Apr 30, 2026 |
| Languages | 1 | 1 |
| Developer | Handstand | Bosidev |
FAQ
Flex Bundles and NERD Discount/Bundle Functions: common questions
- Is Flex Bundles or NERD Discount/Bundle Functions cheaper?
- Paid plans start at $99/month for Flex Bundles and $29/month for NERD Discount/Bundle Functions. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Flex Bundles or NERD Discount/Bundle Functions?
- On the Shopify App Store: Flex Bundles 5.0 from 13 reviews and NERD Discount/Bundle Functions 5.0 from 11 reviews.
- What features does each app list that the other doesn’t?
- Flex Bundles lists 6 the others don’t mention, such as Fixed pricing, Flat discounts, Infinite option bundles, Mix-and-match bundles. 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 Oct 23, 2026 for Flex Bundles, Nov 5, 2026 for NERD Discount/Bundle Functions; 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 Oct 23, 2026 for Flex Bundles, Nov 5, 2026 for NERD Discount/Bundle Functions. 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.