Back in Stock — Restock Alerts vs StockSignal Studio
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Aug 17, 2026 for Back in Stock, Oct 22, 2026 for StockSignal Studio.
The short answer
- Back in Stock lists 4 features StockSignal Studio’s listing doesn’t mention, including Auto-alerts, Customer demand, Email.
Head to head
Basic
- · Unlimited Email Notifications
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBack in Stock helps merchants recover lost sales from out-of-stock products. When an item is sold out, customers can enter their email to be notified the moment it becomes available again. The app automatically tracks inventory changes and sends restock emails without any manual work.
Never lose a sale due to out-of-stock products. StockSignal Studio lets customers request restock alerts directly from the product page. When you restock, the app automatically sends emails and/or SMS messages - no manual work required.
- Email notifications when out-of-stock products are restocked
- Automatic inventory tracking with no manual setup required
- Merchant dashboard showing waitlist signups for every product
- Email and SMS alerts (SMS requires your own Twilio account & charges apply)
- Shows a ‘Notify Me’ signup button automatically on out-of-stock product pages
- Straightforward setup and features - no bloat, fluff, or unnecessary extras
- Works with all Shopify themes - easy setup with no code or theme edits required
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 |  Back in Stock |  StockSignal Studio |
|---|---|---|
| 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 | Back in Stock | StockSignal Studio |
|---|---|---|
| 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 | Back in Stock | StockSignal Studio |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $5/month |
| Longest free trial | Not listed | 3 days |
| Plans listed | Not published | 1 |
Listing
| Measure | Back in Stock | StockSignal Studio |
|---|---|---|
| Shopify category rank | #198(ahead) | #233 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 17, 2026 | Jul 7, 2025 |
| Languages | 1 | 1 |
| Developer | Jaseir | Tremidap |
FAQ
Back in Stock and StockSignal Studio: common questions
- What features does each app list that the other doesn’t?
- Back in Stock lists 4 the others don’t mention, such as Auto-alerts, Customer demand, Email, Waitlists. StockSignal Studio lists 1 the others don’t mention, such as Notification button. 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 Aug 17, 2026 for Back in Stock, Oct 22, 2026 for StockSignal Studio; 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 Aug 17, 2026 for Back in Stock, Oct 22, 2026 for StockSignal Studio. 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.