Stock Signal‑ Restock Alerts vs WZ Back In Stock
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 31, 2026 for Stock Signal‑ Restock Alerts, Nov 9, 2026 for WZ Back In Stock.
The short answer
- Only WZ Back In Stock lists a free plan. Paid plans start at $5.99/month for Stock Signal‑ Restock Alerts and $9.99/month for WZ Back In Stock.
- WZ Back In Stock lists 8 features Stock Signal‑ Restock Alerts’s listing doesn’t mention, including Back in stock, Inventory tracking, Low stock.
Head to head
- Japan
- United States
Stock Signal
- · Back-in-stock alerts
- · Custom alert settings
- · Demand tracking dashboard
- · Email notification templates
- · Manual and automatic sends
- · Storefront notify-me widget
Free
- · 50 restock email notifications/month
- · Basic button and form customization
- · Basic reports
- · Email sender setup
- · Storefront notify popup
- · Unlimited waitlist signups
Lite
- · 500 restock email notifications/month
- · Alert email template customization
- · Basic reports
- · Button and form customization
- · Delivery logs
- · Gmail/SMTP email sender
Startup
- · 1,000 restock email notifications/month
- · Advanced customization
- · Everything in Lite
- · Low-stock alerts
- · Recovered revenue tracking
- · Reports by product/variant
Business
- · 5,000 restock email notifications/month
- · Everything in Startup
- · Higher notification volume
- · More low-stock alert capacity
- · Priority-ready plan for growing stores
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStock Signal adds a Notify me button to sold-out product pages so shoppers can request restock emails. When an item is available again, it automatically emails interested shoppers with a link back to the product. Customize email templates, manage requests, and see which products shoppers want. A guided setup checklist and video help you enable the storefront widget.
Back In Stock helps Shopify merchants capture demand when products or variants sell out, then notify interested customers as soon as inventory returns. The app adds a notify experience to sold-out product pages through a Shopify theme app embed and optional app block. Shoppers can leave their email address for a specific unavailable variant.
- Collect back-in-stock alert requests on sold-out product pages
- Send automatic and manual back-in-stock notifications
- Customize alert settings, templates, and storefront widget behavior
- Track shopper demand and notification activity in one dashboard
- Capture waitlists from sold-out products and variants
- Send automatic restock alerts through Gmail or SMTP
- Customize the notify button, popup form, and email design
- Track signups, email clicks, recovered sales, and revenue
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 |  Stock Signal‑ Restock Alerts |  WZ Back In Stock |
|---|---|---|
| Detected stores | Not published | 5 |
| 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 | Apparel & Accessories, Arts & Entertainment, Food, Beverages & Tobacco |
| Top store countries | Not published | Japan, United States |
Reviews
| Measure | Stock Signal‑ Restock Alerts | WZ Back In Stock |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 1 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Stock Signal‑ Restock Alerts | WZ Back In Stock |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $5.99/month(ahead) | $9.99/month |
| Longest free trial | 7 days | 30 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Stock Signal‑ Restock Alerts | WZ Back In Stock |
|---|---|---|
| Shopify category rank | #283 | #110(ahead) |
| Shopify App Charts | #8 on Pricing moves in Stock alerts | #21 in Stock alerts |
| Built for Shopify | No | No |
| Launched | May 13, 2026 | Jun 11, 2026 |
| Languages | 1 | 1 |
| Developer | Sam Chandra | WEBOZZA |
FAQ
Stock Signal‑ Restock Alerts and WZ Back In Stock: common questions
- Is Stock Signal‑ Restock Alerts or WZ Back In Stock cheaper?
- Only WZ Back In Stock lists a free plan. Paid plans start at $5.99/month for Stock Signal‑ Restock Alerts and $9.99/month for WZ Back In Stock. 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?
- Stock Signal‑ Restock Alerts lists 2 the others don’t mention, such as Customer demand, Manual alerts. WZ Back In Stock lists 8 the others don’t mention, such as Back in stock, Inventory tracking, Low stock, Out of stock. 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 31, 2026 for Stock Signal‑ Restock Alerts, Nov 9, 2026 for WZ Back In Stock; 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 31, 2026 for Stock Signal‑ Restock Alerts, Nov 9, 2026 for WZ Back In Stock. 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.