CTIOLab Inventory Management vs Keystone Inventory
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 2, 2026 for CTIOLab Inventory Management, Oct 13, 2026 for Keystone Inventory.
The short answer
- Paid plans start at $19/month for CTIOLab Inventory Management and $29/month for Keystone Inventory.
- CTIOLab Inventory Management lists 7 features Keystone Inventory’s listing doesn’t mention, including Backorders, Barcodes, Import and export.
Head to head
Starter
- · Barcode stock counts
- · Low-stock & best-seller reports
- · Purchase orders & receiving
- · Sales-based reorder forecasts
- · Supplier import from spreadsheet
- · Up to 1,000 active SKUs
Growth
- · Everything in Starter
- · Up to 10,000 active SKUs
Pro
- · Everything in Starter
- · Unlimited active SKUs
Light
- · Full Inventory Forecasting
- · Up to 500 Products
Business
- · Custom Bundles
- · Full Inventory Management
- · Inventory Forecasting
- · Reporting
- · Stock Control
- · Up to 1000 Products
Professional
- · Custom Product Bundles
- · Full Inventory Management
- · Integrated Stock Taking
- · Inventory Forecasting
- · Reporting
- · Stock Control
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCTIOLab Inventory replaces reorder spreadsheets with forecasts built from your own Shopify sales, supplier lead times and stock on hand. It suggests what to order, turns that into purchase orders you can email to suppliers, and updates Shopify stock as you receive, including with a barcode scanner. Run stock counts, move stock between locations and track drop-ship and backordered lines.
Keystone Inventory turns your Shopify sales data into clear ordering decisions. It tracks how fast each product sells, factors in your supplier lead times, case packs and safety stock, and tells you exactly what to reorder and when — before you run out, without tying up cash in overstock. When it's time to order, select the products and Keystone builds purchase orders grouped by supplier.
- Reorder suggestions from your sales history, lead times and stock on hand
- Purchase orders emailed to suppliers, received by hand or by barcode scan
- Stock counts with a scanner, with any differences written back to Shopify
- Transfers between locations; drop-ship and backorder tracking; low-stock alerts
- Keep your best sellers in stock.
- Purchase orders — create, authorise, send, receive with Shopify stock push-back
- Your whole inventory at a glance
- Demand forecasting — reorder points, days of cover, suggested quantities
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 |  Keystone Inventory | |
|---|---|---|
| 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 | Keystone Inventory | |
|---|---|---|
| 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 | Keystone Inventory | |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $19/month(ahead) | $29/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 3 | 3 |
Listing
| Measure | Keystone Inventory | |
|---|---|---|
| Shopify category rank | Not enough data | #389 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 2, 2026 | Jun 29, 2026 |
| Languages | 1 | 1 |
| Developer | CTIOLab LLc | Keystone Solutions |
FAQ
CTIOLab Inventory Management and Keystone Inventory: common questions
- Is CTIOLab Inventory Management or Keystone Inventory cheaper?
- Paid plans start at $19/month for CTIOLab Inventory Management and $29/month for Keystone Inventory. 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?
- CTIOLab Inventory Management lists 7 the others don’t mention, such as Backorders, Barcodes, Import and export, Multi-location. Keystone Inventory lists 5 the others don’t mention, such as Custom reports, Out of stock notifications, Replenishment reminders, Restock notifications. 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 2, 2026 for CTIOLab Inventory Management, Oct 13, 2026 for Keystone Inventory; 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 2, 2026 for CTIOLab Inventory Management, Oct 13, 2026 for Keystone Inventory. 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.