Back in Stock — Restock Alerts vs Slingshot
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 13, 2026 for Slingshot.
The short answer
- Slingshot lists 4 features Back in Stock’s listing doesn’t mention, including Alert settings, Notification button, Notification templates.
Head to head
Growth
Scale
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.
When a product sells out, interested shoppers leave and most never return. Slingshot captures them before they go and brings them back when you restock. Shoppers sign up in one step, no account needed, through an on-site widget you add in the theme editor. The moment you restock, every waiting shopper gets a branded email linking back to the product.
- 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
- No-code on-site signup widget for out-of-stock products
- Automatic branded email the moment a product is back in stock
- Revenue attribution that ties each alert to the sale it earned
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 |  Slingshot |
|---|---|---|
| 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 | Slingshot |
|---|---|---|
| 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 | Slingshot |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $19/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | Not published | 2 |
Listing
| Measure | Back in Stock | Slingshot |
|---|---|---|
| Shopify category rank | #202(ahead) | #247 |
| 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 8, 2026 |
| Languages | 1 | 2 |
| Developer | Jaseir | nerd with attitude |
FAQ
Back in Stock and Slingshot: common questions
- What features does each app list that the other doesn’t?
- Back in Stock lists 1 the others don’t mention, such as Waitlists. Slingshot lists 4 the others don’t mention, such as Alert settings, Notification button, Notification templates, Performance reports. 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 13, 2026 for Slingshot; 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 13, 2026 for Slingshot. 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.