Product Change Guard vs Revenue Guardian
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Product Change Guard, Nov 10, 2026 for Revenue Guardian.
The short answer
- Paid plans start at $9.99/month for Product Change Guard and $19/month for Revenue Guardian.
- Revenue Guardian lists 2 features Product Change Guard’s listing doesn’t mention, including Historical analysis, Notifications.
Head to head
Guard
- · Automatic product change history
- · Before-and-after field comparisons
- · Critical zero-price and deletion alerts
- · Search, severity filters, CSV export
Starter
- · Payment mix and JavaScript signals
- · Revenue anomaly monitoring
- · Synthetic storefront journey checks
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureProduct Change Guard automatically records product creates, updates, and deletions from verified Shopify webhooks. Review supported field-level changes, filter retained history by product title or severity, and flag risky events such as a variant amount being set to zero. The app never edits or restores products.
Revenue Guardian helps you investigate unexpected sales changes. Monitor paid-order trends against your store’s history, review payment-method shifts, and check product, cart, and checkout-entry journeys without placing orders. Prioritized incidents bring evidence together so you can decide what to investigate next. Store access is read-only.
- Automatically record product creates, updates, and deletions
- Compare supported product fields before and after an edit
- Highlight risky zero-value and product-deletion events
- Filter retained history by product title and severity
- Detect unusual revenue changes using store-specific baselines
- Test product, cart, and checkout-entry journeys without placing orders
- Track payment-method shifts and storefront JavaScript failures
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 |  Product Change Guard | |
|---|---|---|
| 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 | Product Change Guard | |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Product Change Guard | |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $19/month |
| Longest free trial | 7 days | 7 days |
| Plans listed | 1 | 1 |
Listing
| Measure | Product Change Guard | |
|---|---|---|
| Shopify category rank | #1637 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 15, 2026 | Nov 10, 2026 |
| Languages | 1 | 4 |
| Developer | Craig Technology Services LLC | Novelle Labs |
FAQ
Product Change Guard and Revenue Guardian: common questions
- Is Product Change Guard or Revenue Guardian cheaper?
- Paid plans start at $9.99/month for Product Change Guard and $19/month for Revenue Guardian. 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?
- Product Change Guard lists 1 the others don’t mention, such as Data export. Revenue Guardian lists 2 the others don’t mention, such as Historical analysis, Notifications. 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 13, 2026 for Product Change Guard, Nov 10, 2026 for Revenue Guardian; 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 13, 2026 for Product Change Guard, Nov 10, 2026 for Revenue Guardian. 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.