Restock Radar vs Stock Signal‑ Restock Alerts
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Restock Radar, Oct 31, 2026 for Stock Signal‑ Restock Alerts.
The short answer
- Only Restock Radar lists a free plan. Paid plans start at $19/month for Restock Radar and $5.99/month for Stock Signal‑ Restock Alerts.
- Stock Signal‑ Restock Alerts lists 7 features Restock Radar’s listing doesn’t mention, including Auto-alerts, Customer demand, Email.
Head to head
Free
- · 10 emails per day
Starter
- · 100 Emails per day
Pro
- · 1000 emails per day
Stock Signal
- · Back-in-stock alerts
- · Custom alert settings
- · Demand tracking dashboard
- · Email notification templates
- · Manual and automatic sends
- · Storefront notify-me widget
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStock Notifier helps merchants recover missed revenue from out-of-stock products. When an item is unavailable, customers can sign up to receive an automatic email once it is restocked. The app tracks requests per product and sends notifications when inventory is updated. Merchants can monitor usage, manage email limits, and track notification activity from the dashboard.
Stock 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.
- Automatic back-in-stock email notifications on restock
- Customer sign-up form on out-of-stock products
- Daily email limits with usage tracking
- 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
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 |  Restock Radar |  Stock Signal‑ Restock Alerts |
|---|---|---|
| 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 | Restock Radar | Stock Signal‑ Restock Alerts |
|---|---|---|
| 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 | Restock Radar | Stock Signal‑ Restock Alerts |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $19/month | $5.99/month(ahead) |
| Longest free trial | Not listed | 7 days |
| Plans listed | 3 | 1 |
Listing
| Measure | Restock Radar | Stock Signal‑ Restock Alerts |
|---|---|---|
| Shopify category rank | #289 | #283(ahead) |
| Shopify App Charts | Not on this week’s charts | #8 on Pricing moves in Stock alerts |
| Built for Shopify | No | No |
| Launched | Apr 30, 2026 | May 13, 2026 |
| Languages | 1 | 1 |
| Developer | LaSiv Technologies | Sam Chandra |
FAQ
Restock Radar and Stock Signal‑ Restock Alerts: common questions
- Is Restock Radar or Stock Signal‑ Restock Alerts cheaper?
- Only Restock Radar lists a free plan. Paid plans start at $19/month for Restock Radar and $5.99/month for Stock Signal‑ Restock Alerts. 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?
- Restock Radar lists 2 the others don’t mention, such as Back in stock, Inventory reports. Stock Signal‑ Restock Alerts lists 7 the others don’t mention, such as Auto-alerts, Customer demand, Email, Manual alerts. 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 14, 2026 for Restock Radar, Oct 31, 2026 for Stock Signal‑ Restock Alerts; 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 14, 2026 for Restock Radar, Oct 31, 2026 for Stock Signal‑ Restock Alerts. 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.