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Inventory · head to head

Extensiv vs SOS Inventory

Extensiv logo

Extensiv

Inventory

Omnichannel fulfillment and inventory platform

From
On request
Rated
-
Full reviewWebsite
SOS Inventory logo

SOS Inventory

Inventory

Inventory management for QuickBooks Online

From
$69.95/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Extensiv sold as separate products, including 3PL Warehouse Manager, Billing Manager, Integration Manager and the Small Parcel Suite, rather than one system; SOS Inventory the Companion plan at $69.95 per month is limited to a single location and 1 custom field
  • They diverge on capability: Extensiv covers Omnichannel fulfillment, SOS Inventory covers Lot tracking.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Extensiv and SOS Inventory actually diverge.

Attributes where Extensiv and SOS Inventory differ
AttributeExtensivSOS Inventory
Starting priceOn request$69.95/month
PlatformsWeb, Mobile app, Cloud-basedWeb, Cloud-based
Founded20062011

Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated), category (Inventory).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Extensiv

  • Omnichannel fulfillment
  • Warehouse management
  • Order routing
  • Inventory optimization
  • Amazon
  • Walmart
  • eBay
  • NetSuite

Only in SOS Inventory

  • Lot tracking
  • Serial numbers
  • Manufacturing
  • Multi-location
  • QuickBooks Online
  • BigCommerce
  • ShipStation

Both cover

  • Shopify
  • Web support
  • Cloud-based support

What people use each for

The jobs each tool is most often brought in to do.

Extensiv

  • Warehouse management for a third-party logistics providernot SOS Inventory
  • Billing warehouse clients for storage and handlingnot SOS Inventory
  • Order and inventory sync across sales channelsnot SOS Inventory
  • Small parcel rate shopping and label printingnot SOS Inventory
  • Managing a network of fulfilment partnersnot SOS Inventory

SOS Inventory

  • Inventory managementnot Extensiv
  • Job costingnot Extensiv
  • Manufacturing automationnot Extensiv

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Extensiv

  • Sold as separate products, including 3PL Warehouse Manager, Billing Manager, Integration Manager and the Small Parcel Suite, rather than one system
  • Built for third-party logistics providers rather than brands running their own warehouse
  • Pricing is not published

SOS Inventory

  • The Companion plan at $69.95 per month is limited to a single location and 1 custom field
  • Serial and lot number tracking, barcoding and unlimited locations require the Plus plan at $139.95 per month
  • Phone support is excluded from the Companion plan
  • Job costing, advanced manufacturing and the customer portal require the Pro plan at $194.95 per month
  • Each plan includes only 2 to 5 users and additional users cost $25 each per month
  • The 2 months free discount requires paying a year up front

Pricing, plan by plan

Extensiv

On request
  • Standard$500/month
    • Core features
    • 10 users
    • Standard support
  • Professional$1000/month
    • Advanced features
    • 25 users
    • Priority support
  • Enterprise$2500/month
    • Full platform
    • Unlimited users
    • Dedicated support

SOS Inventory

$69.95/month
  • Companion$69.95/month
    • Basic inventory management
    • 2 included users
    • Additional users $25/month each
  • Plus$139.95/month
    • Labeled most popular
    • Unlimited locations
    • Serial and lot tracking
  • Pro$194.95/month
    • Advanced automation
    • Job costing
    • Advanced manufacturing

Which should you pick?

Choose Extensiv if

  • You need omnichannel fulfillment.
  • You work on Web, Mobile app, Cloud-based.
  • You also want warehouse management.
Extensiv review

Choose SOS Inventory if

  • You need lot tracking.
  • You work on Web, Cloud-based.
  • You also want serial numbers.
SOS Inventory review

Questions people ask

Is Extensiv or SOS Inventory better?
Neither clearly leads. Extensiv starts at On request and SOS Inventory at $69.95/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Extensiv or SOS Inventory?
Extensiv starts at On request and SOS Inventory at $69.95/month.
Does Extensiv or SOS Inventory run on more platforms?
Extensiv runs on Web, Mobile app, Cloud-based. SOS Inventory runs on Web, Cloud-based.
What is Extensiv best used for?
Extensiv is most often used for warehouse management for a third-party logistics provider, billing warehouse clients for storage and handling, order and inventory sync across sales channels, small parcel rate shopping and label printing. Of those, warehouse management for a third-party logistics provider and billing warehouse clients for storage and handling are not what SOS Inventory is typically brought in for.
What can Extensiv do that SOS Inventory cannot?
Extensiv covers Omnichannel fulfillment, Warehouse management, Order routing, Inventory optimization. SOS Inventory covers Lot tracking, Serial numbers, Manufacturing, Multi-location. Both handle Shopify, Web support, Cloud-based support.

Answered from the vendors’ own pages

Extensiv: Does Extensiv publish its pricing publicly?

No. Extensiv does not disclose pricing information on its website. Customers must request a demo or contact the company at 888-375-2368 to obtain pricing details.

Source
SOS Inventory: How much does SOS Inventory cost?

SOS Inventory offers monthly plans from $69.95 for Companion to $194.95 for Pro. Annual billing saves approximately two months of fees. Additional users cost $25/month, and external connections are $25/month each.

Source
Extensiv: Does Extensiv offer any free products?

Yes. Extensiv's Integration Manager tool is available to get started for free at https://app.cartrover.com/signup.php, but main products require contacting sales for pricing.

Source
SOS Inventory: Does SOS Inventory offer a free trial?

Yes, SOS Inventory offers 14 days to explore its full range of features. Users can upgrade or downgrade plans easily through account settings.

Source
SOS Inventory: What is the difference between SOS Inventory plans?

Companion includes 2 users and basic management. Plus is marked most popular and adds unlimited locations and lot tracking with 3 users. Pro adds advanced automation and manufacturing with 5 users.

Source
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