SK Back In Stock vs SlothRocket: Back in Stock
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Sep 10, 2026 for SK Back In Stock, Oct 14, 2026 for SlothRocket.
The short answer
- Only SlothRocket lists a free plan.
- SK Back In Stock lists 3 features SlothRocket’s listing doesn’t mention, including Email, Multi-language, Waitlists.
Head to head
Free
- · 30 restock alert emails per month
- · Live stock re-verification
- · Notify me widget included
Pro
- · Easy discount code - Shopify integrated
- · On-brand emails (logo, colour and more)
- · Quiet hours setting
- · Reminders for non-buyers
- · Rich demand insights
- · Unlimited alerts
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureTurn sold-out pages into restock signups. SK Back in Stock swaps the Add to Cart button for a "Notify Me" button when a product or variant sells out no code needed. Shoppers join the waitlist in one click and receive an automatic email when stock returns. Customize the button, popup, and email templates to match your brand.
Back in Stock lets shoppers sign up to be notified when a sold-out product returns, and emails them the moment it does. Before every send, it re-checks live Shopify inventory, so shoppers are only emailed when the item is truly available again. Merchants see which products and variants are most in demand, so they know what to restock. Emails carry the store's name, logo, colour, and an optional discount code.
- Notify shoppers by email the instant a sold-out product is back
- Match your brand's colors, fonts and email templates instantly
- Add the Notify Me button in minutes with theme app blocks
- See which sold-out products to restock next, and sales recovered
- Re-checks live stock before every send, so shoppers don’t get a false alert
- Send unlimited restock alerts, with automatic reminders to recover more sales
- Shows demand by product and variant, so you know exactly what to restock
- On-brand emails with your store's logo, colour, and an optional discount








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 | SK Back In Stock | SlothRocket |
|---|---|---|
| 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 | SK Back In Stock | SlothRocket |
|---|---|---|
| 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 | SK Back In Stock | SlothRocket |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $19/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | 2 |
Listing
| Measure | SK Back In Stock | SlothRocket |
|---|---|---|
| Shopify category rank | #248(ahead) | #305 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 9, 2026 | Aug 3, 2026 |
| Languages | 1 | 1 |
| Developer | Squadkin Technologies Pvt Ltd | Sloth Rocket |
FAQ
SK Back In Stock and SlothRocket: common questions
- Is SK Back In Stock or SlothRocket cheaper?
- Only SlothRocket lists a free plan. 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?
- SK Back In Stock lists 3 the others don’t mention, such as Email, Multi-language, 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 Sep 10, 2026 for SK Back In Stock, Oct 14, 2026 for SlothRocket; 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 Sep 10, 2026 for SK Back In Stock, Oct 14, 2026 for SlothRocket. 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.





