Alertr: Inventory Management Logo

Alertr: Inventory Management

Shopify inventory app that alerts on stockouts and reorder timing

Alertr: Inventory Management - Product Image

What is Alertr: Inventory Management?

Alertr is a Shopify inventory management app that focuses on one thing: preventing stockouts before they happen. Unlike basic threshold alerts that don't account for sell velocity, or expensive enterprise tools designed for 10,000+ SKU operations, Alertr gives DTC brands and growing Shopify stores exactly what they need.

The app syncs daily with your store, calculates sell rates per SKU, and forecasts days of stock remaining. When a product is projected to run out within your supplier lead time window, Alertr sends an email or Slack alert with the exact number of units to reorder — no guesswork, no spreadsheets.

Key capabilities include:

  • Daily inventory sync with automatic sell rate calculation
  • Smart reorder alerts via email or Slack with recommended quantities
  • Inventory dashboard showing days left, sell rate, and reorder numbers per SKU
  • CSV export for purchase orders
  • Configurable lookback window, lead time, and alert frequency

Install in one click from the Shopify App Store, set your preferences in minutes, and start getting alerts before you run out. A free tier supports up to 50 SKUs, and a 14-day free trial of the Pro plan is available with no credit card required.

How to use Alertr: Inventory Management

  1. 1

    Install Alertr from the Shopify App Store with one click—no CSV uploads or manual setup.

  2. 2

    Set your supplier lead time and choose alert preferences (email, Slack, or both).

  3. 3

    Let the app sync daily; it calculates sell rates and days of stock remaining per SKU.

  4. 4

    Receive alerts before a product runs out, with the exact reorder quantity calculated from sell velocity.

Key features

Syncs inventory daily and calculates sell rates per SKU based on recent orders.

Get email or Slack alerts before stock runs out, with recommended reorder quantities.

View all SKUs with days of stock remaining, sell rate, and reorder numbers in one dashboard.

Download filtered inventory reports as CSV for purchase orders or analysis.

Set your own lookback window, lead time, and alert frequency to match your store.

Use cases

  • Prevent stockouts with advance alerts and precise reorder quantities based on actual sell rates.
  • Stop wasting ad spend on out-of-stock products by getting alerts before inventory hits zero.
  • Replace manual spreadsheet tracking with automated daily sync and sell rate monitoring.
  • Avoid complexity of enterprise forecasting tools while getting velocity-based stockout predictions.
  • Keep a growing Shopify store profitable by never missing sales due to unexpected stockouts.

Best for

Shopify merchantsDTC brandsEcommerce managersSmall businessesGrowing online storesInventory-aware store owners

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Frequently asked questions about Alertr: Inventory Management

Common questions to help you decide if Alertr: Inventory Management is right for you.

Yes, a free plan supports up to 50 SKUs with daily sync and the inventory dashboard. For unlimited SKUs, email/Slack alerts, and CSV export, the Pro plan is $29/month with a 14-day free trial.

Alertr calculates daily sell rates per SKU based on your chosen lookback window and compares days of stock remaining against your supplier lead time. Alerts trigger before you run out.

Yes, Alertr is a Shopify app available in the App Store. It integrates directly with your Shopify store to pull product and order data.

Yes, the Pro plan includes Slack integration. You can receive reorder alerts directly in a Slack channel so your team can act without leaving their workspace.

Basic alerts use static thresholds. Alertr tracks how fast each product sells and forecasts stockouts based on velocity, giving you days-remaining and exact reorder quantities.

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