Keystone Inventory vs QuantoPronto
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Keystone Inventory, Oct 23, 2026 for QuantoPronto.
The short answer
- Paid plans start at $29/month for Keystone Inventory and $29/month for QuantoPronto.
- QuantoPronto lists 8 features Keystone Inventory’s listing doesn’t mention, including Auto-processing, Auto-restock, Email notifications.
Head to head
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
Starter
- · 10 suppliers, 5 channels
- · ABC analysis
- · Bundle management (10 max)
- · Email & Slack notifications
- · Inventory tracking
- · Low-stock alerts
Growth
- · 25 suppliers, 10 channels, 25 bundles
- · Automated PO generation
- · Everything in Starter, plus:
- · Intelligent reorder targets
- · Sales trend forecasting (7/30d)
- · Statistical threshold suggestions
Pro
- · 100 suppliers, 50 channels, 100 bundles
- · Economic Order Qty (EOQ)
- · Everything in Growth, plus:
- · Multi-location inventory
- · Priority support queue
- · Sales trend forecasting (7/30/60d)
Plus
- · Custom webhooks/API access (coming soon)
- · Everything in Pro, plus:
- · Sales trend forecasting (7/30/60/90d)
- · Unlimited SKUs & capacity
- · Unlimited suppliers, channels, bundles
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureKeystone 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.
Maintain healthy stock levels through intelligent inventory management. Track Inventory Position (on-hand + on-order - backorders) and Days of Supply in real-time. Automatically calculate optimal reorder points using statistical safety stock and ABC analysis. Get instant low-stock alerts via Slack and email, and forecast future sales. Generate draft purchase orders with one click when items hit reorder points.
- 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
- Bundle-aware calculations to help prevent overselling multi-component products
- Real-time low-stock alerts via Slack and Email
- Intelligent reorder points based on sales trends and safety stock
- Supplier management with lead times and one-click PO generation
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 |  QuantoPronto |
|---|---|---|
| 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 | QuantoPronto |
|---|---|---|
| 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 | QuantoPronto |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $29/month | $29/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 3 | 4 |
Listing
| Measure | Keystone Inventory | QuantoPronto |
|---|---|---|
| Shopify category rank | #449 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 29, 2026 | Jan 20, 2026 |
| Languages | 1 | 1 |
| Developer | Keystone Solutions | QuantoPronto |
FAQ
Keystone Inventory and QuantoPronto: common questions
- Is Keystone Inventory or QuantoPronto cheaper?
- Paid plans start at $29/month for Keystone Inventory and $29/month for QuantoPronto. 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?
- Keystone Inventory lists 1 the others don’t mention, such as Custom reports. QuantoPronto lists 8 the others don’t mention, such as Auto-processing, Auto-restock, Email notifications, Multi-channel. 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 Oct 13, 2026 for Keystone Inventory, Oct 23, 2026 for QuantoPronto; 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 Oct 13, 2026 for Keystone Inventory, Oct 23, 2026 for QuantoPronto. 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.