BundleGuard: Oversell Watch vs Guardrail

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 15, 2026 for BundleGuard, Jul 22, 2026 for Guardrail.

The short answer

  • Only BundleGuard lists a free plan.
  • BundleGuard and Guardrail list the same 1 features.

Head to head

Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
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Categories
  • Inventory optimization
  • Inventory optimization
Languages
  • English
  • English
Launched
Sep 22, 2026
Jul 22, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
—
—
Detected stores
0active installs
0active installs
Most common store size
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Top countries
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Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $9.99/month
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Plans
FreeFree
  • · 3 bundles most at risk
  • · Buildable stock and risk figures
  • · In 10 languages
Standard$9.99/month
14-day free trial
  • · Auto-protect: Draft when unbuildable
  • · Email, Slack, Flow alerts and summary
  • · Every bundle watched
Free
Coverage
1 of 1 features100%
1 of 1 features100%
Unique strengths
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Inventory optimization
100%1/1
100%1/1
Inventory management
100%1/1
100%1/1
010onlybothonly
BundleGuardGuardrail1 features listed across both App Store listings

Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

See every feature
Works with also listed by another
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How it sells itself

A bundle sold, but a component was already out of stock. Shopify's bundle availability ignores components that are untracked or set to continue selling. BundleGuard scans every Shopify bundle and any kit you map yourself, shows how many are buildable, forecasts when each runs out and what to reorder, shows the revenue at risk, and alerts you by email, Slack or Shopify Flow.

Overselling usually isn't caused by running out of stock. It happens when a number goes wrong quietly, so you hear about it from a customer instead of your store. Guardrail watches your inventory as it changes and flags anomalies like negative stock, low buffers, and sudden jumps. It emails you when something looks wrong. You can set a safety buffer so a product is paused from sale before it oversells.

Key points
  • See true buildable stock for every fixed bundle
  • Flags untracked and continue-selling components — the silent oversell holes
  • Alerts when a component stockout makes a bundle unfulfillable
  • Detects drift between bundle and component availability
  • Real-time inventory monitoring across all your locations
  • Alerts for negative stock, low buffers, jumps, and rapid swings
  • Auto-pause a product before it oversells, reversible anytime
  • Email alerts so you catch problems even when you're away
Screenshots
Bundle Guard flagging a bundle at risk of overselling
Bundle Guard dashboard showing all bundles healthy after a scanBundle Guard alert and warning-threshold settings
Guardrail showing alerts and an auto-paused product
shot3-settingsshot2-autobrakeshot1-dashboard

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.

Showing only the rows where the apps differ.

Adoption

MeasureBundleGuardGuardrail
Detected storesNot publishedNot published
Net store change, 28 days0estimated0estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesNot publishedNot published
Top store countriesNot publishedNot published

Reviews

MeasureBundleGuardGuardrail
App Store ratingNot publishedNot published
App Store reviewsNot publishedNot published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureBundleGuardGuardrail
Free planYesNot listed
Lowest paid monthly plan$9.99/monthNo monthly plan listed
Longest free trial14 daysNot listed
Plans listed2Not published

Listing

MeasureBundleGuardGuardrail
Shopify category rank#532(ahead)in Inventory optimization#640in Inventory optimization
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedSep 22, 2026Jul 22, 2026
Languages1English1English
DeveloperARO PCRMabetomo

FAQ

BundleGuard and Guardrail: common questions

Is BundleGuard or Guardrail cheaper?
Only BundleGuard lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
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 15, 2026 for BundleGuard, Jul 22, 2026 for Guardrail; 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 15, 2026 for BundleGuard, Jul 22, 2026 for Guardrail. 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.