Out Of Stock Alert Restock Lab vs Savior's StockGuard
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 6, 2026 for Out Of Stock Alert Restock Lab, Nov 10, 2026 for Savior's StockGuard.
The short answer
- Out Of Stock Alert Restock Lab lists 11 features Savior's StockGuard’s listing doesn’t mention, including Analytics, Auto-processing, Custom reports.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Multiple Locations
- · Real-Time Inventory Reports
- · Unlimited SKUs
- · Unlimited Scheduled / Instant alerts
Starter
- · Backorder toggle
- · Bulk-set thresholds per product
- · CSV / Excel export
- · Self-adjusting thresholds
- · Slack alerts
- · Unlimited products and variants
Growth
- · Customer back-in-stock signups
- · Email alerts for up to 10 recipients
- · Everything in Starter
- · Preorder messaging
- · Storefront low-stock badge
Pro Max
- · Bulk actions across the whole shop
- · Edit product details from the inventory
- · Everything in Growth
- · Public API and outbound webhooks
- · Purchase orders and supplier tracking
- · Sales-based demand forecasting
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureManage inventory with automated, configurable alerts for when stock levels drop, helping you avoid lost sales due to out-of-stock issues. Get notifications through email, Slack, or WhatsApp to calculate necessary reorder quantities using advanced sales forecasting & analytics, and tailor alerts for specific products, variants, or collections.
StockGuard watches every product variant across every location and alerts you by email or Slack the moment stock runs low, before a sale is lost. Forecast which variants will sell out next from real sales velocity, reorder with built-in purchase orders and supplier tracking, and let out-of-stock items keep selling as preorders.
- Scheduled & instant email, Slack, & WhatsApp alerts for low stock levels
- Filter alerts accurately based on vendor, collection, tag, SKU, & w/ bulk upload
- Efficiently manage stock thresholds with customizable and scheduled CSV exports
- Supports customizable, scheduled alerts for multiple locations and recipients
- Real-time low-stock and out-of-stock alerts by email and Slack
- Sales-based demand forecasting with one-click reorder suggestions
- Purchase orders and supplier tracking from order to delivery
- Preorder and back-in-stock signups
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 |  Out Of Stock Alert Restock Lab | |
|---|---|---|
| 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 | Out Of Stock Alert Restock Lab | |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 40 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | 0% | Not enough data |
Pricing
| Measure | Out Of Stock Alert Restock Lab | |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $4.99/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | 1 | 3 |
Listing
| Measure | Out Of Stock Alert Restock Lab | |
|---|---|---|
| Shopify category rank | #31 | Not enough data |
| Shopify App Charts | #3 on Rookies in Stock alerts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Feb 27, 2026 | Nov 10, 2026 |
| Languages | 1 | 1 |
| Developer | AccessibilityWay | Ecom Savior |
FAQ
Out Of Stock Alert Restock Lab and Savior's StockGuard: common questions
- What features does each app list that the other doesn’t?
- Out Of Stock Alert Restock Lab lists 11 the others don’t mention, such as Analytics, Auto-processing, Custom reports, Insights. Savior's StockGuard lists 8 the others don’t mention, such as Back-in-stock alerts, Backorders, Bulk processing, Import and export. 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 6, 2026 for Out Of Stock Alert Restock Lab, Nov 10, 2026 for Savior's StockGuard; 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 6, 2026 for Out Of Stock Alert Restock Lab, Nov 10, 2026 for Savior's StockGuard. 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.