Notify Back in Stock Alert 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 13, 2026 for Notify Back in Stock Alert, Nov 4, 2026 for WZ Back In Stock.
The short answer
- Only WZ Back In Stock lists a free plan. Paid plans start at $3.99/month for Notify Back in Stock Alert and $9.99/month for WZ Back In Stock.
- Notify Back in Stock Alert lists 5 features WZ Back In Stock’s listing doesn’t mention, including Batch send, Custom alerts, Manual alerts.
Head to head
- Japan
- United States
Basic
- · Customizable widget & templates
- · Email + SMS via your own provider
- · Price-drop notifications
- · Unlimited back-in-stock alerts
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 featureHelps merchants collect customer requests for sold-out products and price-drop alerts. Customers can join a waitlist from the storefront, and the app sends email or SMS notifications when inventory returns or prices change. Merchants can customize the widget, manage templates, review waitlist demand, track sent notifications, and see which products have the most customer interest.
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.
- Add a customizable Notify Me widget to sold-out product pages.
- Collect waitlist subscribers for products and product variants.
- Send back-in-stock alerts by email and SMS.
- Send discount alerts to interested shoppers.
- 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 |  Notify Back in Stock Alert |  WZ Back In Stock |
|---|---|---|
| Detected stores | Not published | 4 |
| 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, Hardware |
| Top store countries | Not published | Japan, United States |
Reviews
| Measure | Notify Back in Stock Alert | 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 | Notify Back in Stock Alert | WZ Back In Stock |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $3.99/month(ahead) | $9.99/month |
| Longest free trial | 3 days | 30 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Notify Back in Stock Alert | WZ Back In Stock |
|---|---|---|
| Shopify category rank | #310 | #122(ahead) |
| Shopify App Charts | Not on this week’s charts | #21 in Stock alerts |
| Built for Shopify | No | No |
| Launched | May 7, 2026 | Jun 11, 2026 |
| Languages | 1 | 1 |
| Developer | NovaCore Ventures | WEBOZZA |
FAQ
Notify Back in Stock Alert and WZ Back In Stock: common questions
- Is Notify Back in Stock Alert or WZ Back In Stock cheaper?
- Only WZ Back In Stock lists a free plan. Paid plans start at $3.99/month for Notify Back in Stock Alert 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?
- Notify Back in Stock Alert lists 5 the others don’t mention, such as Batch send, Custom alerts, Manual alerts, Price drop. WZ Back In Stock lists 4 the others don’t mention, such as Performance reports, Sales forecasting, Stock counter, Waitlists. 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 Notify Back in Stock Alert, Nov 4, 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 13, 2026 for Notify Back in Stock Alert, Nov 4, 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.