Softwr

Inventory · head to head

inFlow vs SOS Inventory

inFlow logo

inFlow

Inventory

Inventory software for small to mid-size businesses

From
$129/month
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  • Each has a real cost: inFlow user interface feels outdated and difficult for new users to navigate; SOS Inventory the Companion plan at $69.95 per month is limited to a single location and 1 custom field
  • They diverge on capability: inFlow covers Easy inventory tracking, SOS Inventory covers Lot tracking.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where inFlow and SOS Inventory differ
AttributeinFlowSOS Inventory
Starting price$129/month$69.95/month
Pricing modelUnknownsubscription
PlatformsCloud, Web, Mobile scanning appWeb, Cloud-based
Founded20032011

Identical on both: 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 inFlow

  • Easy inventory tracking
  • Purchase order management
  • Sales order management
  • Low stock alerts
  • Integration with accounting software
  • Barcode scanning
  • Email integration
  • Desktop support

Only in SOS Inventory

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

Both cover

  • Shopify

What people use each for

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

inFlow

  • Simple inventory trackingnot SOS Inventory
  • Order managementnot SOS Inventory
  • Purchase controlnot SOS Inventory
  • Stock alertsnot SOS Inventory

SOS Inventory

  • Inventory managementnot inFlow
  • Job costingnot inFlow
  • Manufacturing automationnot inFlow

Where each one falls short

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

inFlow

  • User interface feels outdated and difficult for new users to navigate
  • Customization options are limited with flaky screen customization functionality
  • Poor performance with large or complex inventories
  • Limited supply chain management features; focuses primarily on retail side
  • Basic plan has limited reporting options requiring upgrades for more reports
  • QuickBooks integration reported as problematic by users
  • BOM costing does not automatically update when raw part costs change
  • Audit trail limited to name and date, becoming insufficient as companies grow

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

inFlow

$129/month
  • Entrepreneur$129/month
    • 2 team members
    • 1 integration
    • 1,200 sales orders per year
  • Small Business$349/month
    • 5 team members
    • 3 integrations
    • 12,000 sales orders per year
  • Mid-Size$699/month
    • 10 team members
    • 5 integrations
    • Unlimited sales orders

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 inFlow if

  • You need easy inventory tracking.
  • You work on Cloud, Web, Mobile scanning app.
  • You also want purchase order management.
inFlow 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 inFlow or SOS Inventory better?
Neither clearly leads. inFlow starts at $129/month 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, inFlow or SOS Inventory?
inFlow starts at $129/month and SOS Inventory at $69.95/month.
Does inFlow or SOS Inventory run on more platforms?
inFlow runs on Cloud, Web, Mobile scanning app. SOS Inventory runs on Web, Cloud-based.
What is inFlow best used for?
inFlow is most often used for simple inventory tracking, order management, purchase control, stock alerts. Of those, simple inventory tracking and order management are not what SOS Inventory is typically brought in for.
What can inFlow do that SOS Inventory cannot?
inFlow covers Easy inventory tracking, Purchase order management, Sales order management, Low stock alerts. SOS Inventory covers Lot tracking, Serial numbers, Manufacturing, Multi-location. Both handle Shopify.

Answered from the vendors’ own pages

inFlow: What team member limits does each inFlow plan include?

Entrepreneur plan includes 2 team members (annual billing USD 129/month), Small Business includes 5 team members (USD 349/month), and Mid-Size includes 10 team members (USD 699/month). Additional users cost USD 29-49/month.

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
inFlow: Does inFlow include manufacturing features?

Yes. inFlow offers separate Manufacturing plans (Startup, Growth, Scale) with assembly and kit creation for product variants, starting at USD 179/month (annual billing).

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
inFlow: How many integrations does each plan support?

Entrepreneur plan includes 1 integration, Small Business includes 3 integrations, and Mid-Size includes 5 integrations. Enterprise plan supports unlimited integrations.

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
inFlow: Is there a free trial available?

Yes. inFlow offers a free 14-day trial without requiring a credit card.

Source
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