Preorder, Back In Stock ‑ STOQ vs Restocker: Back in Stock Alert
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Preorder, Back In Stock, Nov 5, 2026 for Restocker.
The short answer
- Both list a free plan. Paid plans start at $10/month for Preorder, Back In Stock and $9/month for Restocker.
- Preorder, Back In Stock lists 35 features Restocker’s listing doesn’t mention, including Alert settings, Availability date, Back in stock.
Head to head
Send Back In Stock Email and SMS Alerts automatically
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 10 preorders per mo.
- · 24*7 live chat support
- · 30 email per mo.
- · Automatic restock alerts
- · Customize everything
- · Notify me, Preorder widget
Lite
- · 1,000 email/SMS per mo.*
- · 100 preorders per mo.
- · 24*7 live chat support
- · All features unlocked
- · Free features
- · Get 60% off with code BFCM26
Pro
- · 24*7 live chat support
- · 3,000 email/SMS alerts per mo.*
- · 400 preorders per mo.
- · All features unlocked
- · Get 60% off with code BFCM26
- · No transaction fee
Unlimited
- · 24*7 live chat support
- · All features unlocked
- · Get 60% off with code BFCM26
- · No transaction fees
- · Unlimited email/SMS alerts per mo.*
- · Unlimited preorders per mo.
Free
- · 1 pre-order product
- · Back-in-stock alerts (10 emails/mth)
- · CSV export of your waitlist
- · Delivery log
Growth
- · 10 pre-order products
- · 500 alert emails per month, soft limit
- · CSV export of your waitlist
- · Delivery log
Unlimited
- · CSV export of your waitlist
- · Delivery log
- · Unlimited alert emails
- · Unlimited pre-order products
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureUse STOQ's Preorder or Notify Me button to create waitlists for out of stock products. Offer pre-order, backorder, presales with deposits or partial payment and unlock preorder revenue today. Or send back in stock when you restock via email/SMS automatically. Customize everything with 24*7 help.
Tired of apps that fail silently on a big restock, or charge a cut of your pre-order revenue? Restocker is built differently. Shoppers join a waitlist and get an automatic email the moment you restock. Pre-orders use native Shopify selling plans, so Shop Pay cannot oversell you. Every notification writes to a permanent delivery log: not just "sent" but actually delivered.
- Add Preorder or Notify me widget to your out of stock products in minutes
- Customize preorder button, restock alerts to match your brand, with 24*7 help
- Send multi-lingual back in stock email/SMS alerts to waitlist when you restock
- Set up preorder, presales, back orders with partial payments & discounts
- Back-in-stock alerts: automatic email the moment inventory returns
- Pre-orders via native selling plans, with no oversells at checkout
- Delivery log: permanent proof of every notification and its status
- No theme code edits: widgets install as clean theme app extension blocks
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 |  Preorder, Back In Stock |  Restocker |
|---|---|---|
| Detected stores | 19,817 | Not published |
| Net store change, 28 days | +176 | 0 |
| Stores added, 28 days | 522 | Not enough data |
| Big-brand share | 15% | Not enough data |
| Top store categories | Apparel & Accessories, Home & Garden, Health & Beauty | Not published |
| Top store countries | United States, United Kingdom, Australia | Not published |
Reviews
| Measure | Preorder, Back In Stock | Restocker |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 3,918 | Not published |
| New reviews, 28 days | 118 | Not enough data |
| Reviewers a year or more in | 12% | Not enough data |
Pricing
| Measure | Preorder, Back In Stock | Restocker |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $10/month | $9/month(ahead) |
| Longest free trial | 14 days | Not listed |
| Plans listed | 4 | 3 |
Listing
| Measure | Preorder, Back In Stock | Restocker |
|---|---|---|
| Shopify category rank | #1 | #264 |
| Shopify App Charts | #32 on the Shoplist 100 | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Nov 1, 2021 | Jun 16, 2026 |
| Languages | 16 | 1 |
| Developer | Artos Software | BEX Software |
FAQ
Preorder, Back In Stock and Restocker: common questions
- Is Preorder, Back In Stock or Restocker cheaper?
- Both list a free plan. Paid plans start at $10/month for Preorder, Back In Stock and $9/month for Restocker. 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?
- Preorder, Back In Stock lists 35 the others don’t mention, such as Alert settings, Availability date, Back in stock, Badges. 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 Nov 9, 2026 for Preorder, Back In Stock, Nov 5, 2026 for Restocker; 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 Nov 9, 2026 for Preorder, Back In Stock, Nov 5, 2026 for Restocker. 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.