Inventory & shipping buyer's guide
Written by the Happy Valley editors, reviewed by Mustafa Gezer. Updated October 20, 2026.
What is Inventory & shipping software?
Inventory and shipping software tracks how much stock you have, where it is, and how orders travel from your shelves to customers. Inventory tools record stock across warehouses and sales channels, trigger reorders and manage purchase orders, while shipping tools compare carrier rates, print labels, send tracking updates and handle returns.
The category solves overselling, stockouts, manual label printing and the scattered order data that appears when a seller runs several marketplaces and a webshop at once. Online stores, wholesalers, small manufacturers and marketplace sellers are the main users.
It sits between e-commerce platforms and ERP. ShipStation, Shippo, Sendcloud and Pirate Ship focus on labels and carriers; Cin7, Linnworks, Zoho Inventory and inFlow handle stock and multichannel orders; Katana adds manufacturing; and ShipBob outsources fulfillment entirely.
Key features to look for
- Multichannel stock sync
- Real-time stock updates across your webshop and marketplaces prevent overselling. Check the sync frequency and which channels are supported natively.
- Carrier integrations and rates
- A shipping tool is only as good as its carrier list. Confirm the carriers you actually use are supported and whether discounted rates are included.
- Batch label printing
- Printing hundreds of labels and packing slips at once saves hours each day. Look for rules that assign carrier and service by weight, destination or SKU.
- Barcode scanning
- Scanning during receiving, picking and stock counts cuts errors. Sortly and inFlow support scanning with a phone instead of dedicated hardware.
- Reorder points and purchasing
- Low-stock alerts, purchase orders and supplier records keep best-sellers available. Stronger tools forecast demand from sales history.
- Customs and duties
- For cross-border orders, automatic customs forms, HS codes and duty calculation prevent delayed parcels. Easyship can show duties and taxes at checkout.
- Tracking and returns
- Branded tracking pages and self-service returns reduce where-is-my-order tickets. AfterShip specialises in this post-purchase stage.
How to choose Inventory & shipping software
- 1
Map channels and volume
List every sales channel, warehouse and your monthly order count. Both the right tool and its price depend on order volume and the number of channels.
- 2
Decide which problem comes first
If labels are the bottleneck, start with shipping software; if overselling or stock errors are, start with inventory management. Veeqo and Linnworks cover both.
- 3
Verify carriers and countries
Check the carriers, services and destination countries you ship to. Many US tools focus on USPS and UPS, while Sendcloud is strong across Europe.
- 4
Check store and accounting links
Orders should import from Shopify, WooCommerce, Amazon and your marketplaces automatically, and stock values and invoices should flow to your accounting software.
- 5
Consider manufacturing and bundles
If you assemble products or sell kits, you need bills of materials and kitting, as offered by Katana or Cin7.
- 6
Trial with real orders
Process a full day of orders during the trial, including a return and an international shipment, before migrating all your SKUs.
Inventory & shipping pricing
- 56%
- offer a free plan, free tier or open-source edition
- $29
- median starting price per month
- $9.99
- lowest paid starting price (Araç Endeks)
Shipping software is usually priced by monthly shipments in tiers, as with ShipStation, or by a small fee per label, as on Shippo's pay-as-you-go plan. Some tools are free and earn from carrier relationships instead: Pirate Ship charges nothing for its software, and Veeqo's shipping features are free for sellers who buy labels through it. Inventory systems charge by order volume, users, locations or integrations, with higher tiers unlocking manufacturing, B2B portals or advanced reporting.
Hidden costs include extra sales channels, additional warehouses, user seats, onboarding fees and carrier surcharges for fuel, residential delivery or address correction. Outsourced fulfillment like ShipBob adds receiving, storage and pick-and-pack fees.
Based on 18 tools in this category with prices checked on vendor pages.
Best Inventory & shipping tools by need
- Best overallShipStationMulti-carrier shipping and order management
- Best free optionShippoShipping API and dashboard with discounted rates
- Best for small businessesCin7Inventory and order management for product sellers
- Best for enterprisesLinnworksMultichannel order, inventory and listing management for sellers
- Best for freelancersPirate ShipFree access to the cheapest USPS and UPS rates
- Best from TurkeyEntegraTurkish marketplace, stock and e-invoice integration for sellers
Recommendations by team type
- Small online stores
- In the US, Pirate Ship is a free way to buy discounted USPS and UPS labels; Shippo or Easyship suit international shipping, and Sortly or Zoho Inventory track stock without complexity.
- Multichannel and marketplace sellers
- Linnworks, Veeqo and ShipStation sync orders from many channels, and Veeqo is especially attractive for Amazon sellers. Sellers in Turkey should look at Entegra or Sentos.
- Small manufacturers and wholesalers
- Katana handles production and bills of materials, while Cin7 and inFlow add B2B ordering and multi-warehouse stock control.
- Brands that want to outsource
- ShipBob stores your inventory in its fulfillment centres and ships orders for you, and AfterShip adds branded tracking and returns on top of any setup.
Inventory & shipping trends in 2026
Cross-border rules changed sharply. The United States suspended its de minimis duty exemption for low-value parcels in 2025, and the EU removed its €150 customs duty exemption from July 2026, so tools that calculate duties at checkout, such as Easyship, matter more than before.
AI is entering demand forecasting, reorder suggestions and automatic carrier selection, and shipping tools increasingly use it to validate addresses and flag delays. Marketplace-owned tooling is also growing: Veeqo, owned by Amazon, offers free shipping software that keeps sellers inside Amazon's label ecosystem.
Common mistakes to avoid
- Running stock in several systems at once without a single source of truth, which causes overselling.
- Choosing a shipping tool before checking that it supports your main carriers and destinations.
- Ignoring dimensional weight, so actual shipping costs exceed what you charged customers.
- Importing SKUs without consistent naming and barcodes, which breaks syncing across channels.
- Treating returns as an afterthought instead of a process with its own labels, inspection and stock updates.
Inventory & shipping in Turkey
Most global tools such as ShipStation, Shippo and Pirate Ship focus on US or European carriers and do not connect to Turkish carriers or marketplaces. Sellers in Turkey usually rely on Entegra or Sentos to sync stock and orders across Trendyol, Hepsiburada, N11 and Amazon Türkiye and to issue e-Fatura or e-Arşiv invoices automatically. Geliver compares discounted rates from domestic carriers in one panel and API. For exports, check support for micro-export customs declarations (ETGB) and international carriers.
Inventory & shipping FAQ
- What is the best Inventory & shipping software?
- Based on community votes and market presence, the leading Inventory & shipping tools right now are ShipStation, Cin7, Shippo.
- Are there free Inventory & shipping tools?
- Yes. 2 tools in this category are free or open source, including Pirate Ship, Araç Endeks.
- What is the cheapest paid Inventory & shipping tool?
- Araç Endeks has the lowest listed starting price at $9.99 per month.
- What is the best free shipping software?
- In the US, Pirate Ship is free to use and gives access to discounted USPS and UPS rates. Veeqo offers free shipping software that suits Amazon sellers in particular, and Shippo, Sendcloud and Easyship have free entry plans with per-label fees or volume limits.
- ShipStation vs Shippo: which is better?
- ShipStation is stronger for order management, with automation rules, multichannel imports and batch processing, priced by monthly shipments. Shippo is lighter and API-friendly, and its pay-as-you-go pricing suits low or irregular volume and developers building shipping into their own apps.
- Do I need inventory management software?
- If you sell on more than one channel, keep stock in more than one location or manage more than a few dozen SKUs, yes. Spreadsheets cannot sync stock in real time, which leads to overselling. Sortly, Zoho Inventory and inFlow are simple places to start.
- How much does inventory software cost?
- Small business plans are monthly subscriptions that grow with orders, users, locations and integrations, while systems such as Cin7 and Linnworks cost more as they add multichannel and B2B features. Implementation fees are common at the higher end. The pricing table on this page shows current starting prices.
- What is the difference between a 3PL and shipping software?
- Shipping software helps you buy labels and manage shipments while you still pick and pack orders yourself. A 3PL such as ShipBob stores your inventory in its warehouses and fulfills orders for you, charging for receiving, storage, picking and postage.
- Which inventory software is best for marketplace sellers in Turkey?
- Entegra and Sentos are built for Turkish marketplaces such as Trendyol, Hepsiburada and N11 and also handle e-Fatura and e-Arşiv invoicing. Use Geliver to compare domestic cargo rates. Global tools rarely integrate with these marketplaces or Turkish carriers directly.