Delivery Countdown & Drop vs Kernvel Back in Stock
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 12, 2026 for Delivery Countdown & Drop, Nov 11, 2026 for Kernvel Back in Stock.
The short answer
- Only Kernvel Back in Stock lists a free plan. Paid plans start at $5/month for Delivery Countdown & Drop and $2.99/month for Kernvel Back in Stock.
- Delivery Countdown & Drop lists 11 features Kernvel Back in Stock’s listing doesn’t mention, including Alert settings, Auto-alerts, Back in stock.
Head to head
Drop
- · 3-day free trial
- · Countdown before the restock
- · Email alerts option: +$2/month
Delivery Countdown
- · 3-day free trial
- · Estimated delivery date
- · Optional weekend skipping
- · Order, shipping, delivery steps
- · Time left before your cut-off
Stock Badge
- · 3-day free trial
- · Real stock of the selected variant
- · Unlimited rules and messages
3-module bundle
- · 3-day free trial
- · All 3 modules for $10 instead of $15
- · Countdown, Drop and Stock Badge
- · Email alerts option: +$2/month
Free
- · Free Concierge Setup
- · Low-stock widgets and auto-hide
- · Product demand counts and CSV
- · Stock minimums and fair queue
- · Unlimited alerts and signups
- · Weekly demand digest
Pro
- · Attributed visits, orders and revenue
- · Everything in Free
- · Klaviyo, Flow and signed webhooks
- · Localized alert emails
- · Own sending domain and email studio
- · Scheduled batches and manual send
Lifetime
- · Attributed visits, orders and revenue
- · Everything in Free
- · Klaviyo, Flow and signed webhooks
- · Localized alert emails
- · Own sending domain and email studio
- · Scheduled batches and manual send
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDelivery Countdown shows the time left before your order cut-off and the estimated delivery date on the product page. Drop shows a countdown before a sold-out item is back in stock and, with the optional Email alerts, emails subscribers as soon as their variant returns. Urgency Stock Badge shows the real stock of the selected variant ("Only 3 left in stock").
Kernvel Back in Stock helps you capture demand when products sell out and bring shoppers back when inventory is available again. Add a simple back-in-stock signup to sold-out products, automatically notify customers when their selected variant is restocked, and show genuine low-stock urgency based on your live inventory. See which products shoppers are waiting for so you can make smarter restocking decisions.
- Delivery countdown: time left before the cut-off and the estimated delivery date
- Restock drops: a countdown announces the restock and locks buying until then
- Back-in-stock emails: subscribers are notified as soon as their variant returns
- Stock per variant: "Only 3 left in stock" on the selected variant
- Back-in-stock alerts: Let shoppers sign up for a restock notification
- Low-stock urgency: Show “Only {qty} left!” based on your actual inventory
- Most-wanted restock list: See which products have the highest demand
- Customizable emails, CSV export : Export your waiting list and demand data
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 |  Kernvel Back in Stock | |
|---|---|---|
| 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 | Kernvel Back in Stock | |
|---|---|---|
| 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 | Kernvel Back in Stock | |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $5/month | $2.99/month(ahead) |
| Longest free trial | 3 days | 14 days |
| Plans listed | 4 | 3 |
Listing
| Measure | Kernvel Back in Stock | |
|---|---|---|
| Shopify category rank | Not enough data | Not enough data |
| Shopify App Charts | Not on this week’s charts | #5 on Pricing moves in Countdown timer |
| Built for Shopify | No | No |
| Launched | Nov 12, 2026 | Sep 16, 2026 |
| Languages | 2 | 1 |
| Developer | Delivery Countdown & Drop | Kernvel Labs |
FAQ
Delivery Countdown & Drop and Kernvel Back in Stock: common questions
- Is Delivery Countdown & Drop or Kernvel Back in Stock cheaper?
- Only Kernvel Back in Stock lists a free plan. Paid plans start at $5/month for Delivery Countdown & Drop and $2.99/month for Kernvel Back in Stock. 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?
- Delivery Countdown & Drop lists 11 the others don’t mention, such as Alert settings, Auto-alerts, Back in stock, Color and font. Kernvel Back in Stock lists 11 the others don’t mention, such as Announcement bar, Custom position, Daily deals, Expiration date. 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 12, 2026 for Delivery Countdown & Drop, Nov 11, 2026 for Kernvel Back in Stock; 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 12, 2026 for Delivery Countdown & Drop, Nov 11, 2026 for Kernvel Back in Stock. 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.