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E-Commerce · head to head

Inventory Lab vs Square for Retail

Inventory Lab logo

Inventory Lab

E-Commerce

FBA inventory management made simple

From
Free
Rated
-
Full reviewWebsite
Square for Retail logo

Square for Retail

E-Commerce

Integrated point of sale and retail management

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Inventory Lab inventoryLab is no longer sold standalone and is now bundled into Three Colts' Seller 365 plans starting at $69 per month for a single user, rising to $199 per month for the Pro tier; Square for Retail limited customer support with primarily email and online forums, slow response times for urgent issues
  • They diverge on capability: Inventory Lab covers FBA inventory tracking, Square for Retail covers Contactless payments.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Inventory Lab and Square for Retail actually diverge.

Attributes where Inventory Lab and Square for Retail differ
AttributeInventory LabSquare for Retail
Pricing modelsubscriptionUnknown
PlatformsWebiOS, API
Founded20112009

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (E-Commerce).

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 Inventory Lab

  • FBA inventory tracking
  • Repricing automation
  • Price monitoring
  • Profit calculations
  • Supplier management
  • Alerts and notifications
  • Forecasting tools

Only in Square for Retail

  • Contactless payments
  • Inventory tracking
  • Employee management
  • Customer profiles
  • Receipt printing
  • Integration with Square Online
  • Reporting tools

Both cover

  • Sales analytics

What people use each for

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

Inventory Lab

  • Amazon seller managementnot Square for Retail
  • multi-channel resellingnot Square for Retail
  • inventory trackingnot Square for Retail

Square for Retail

  • Retail point-of-sale systemsnot Inventory Lab
  • Online store payment processingnot Inventory Lab
  • Appointment and booking schedulingnot Inventory Lab
  • Phone and field payment collectionnot Inventory Lab

Where each one falls short

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

Inventory Lab

  • InventoryLab is no longer sold standalone and is now bundled into Three Colts' Seller 365 plans starting at $69 per month for a single user, rising to $199 per month for the Pro tier
  • Multichannel listing requires the separate UniCon add-on, priced from $49 to $449 per month depending on tier

Square for Retail

  • Limited customer support with primarily email and online forums, slow response times for urgent issues
  • Internet connectivity required for normal operations; weak signal impacts transaction processing and experience
  • Restricted to Square's payment processing with higher transaction fees compared to some competitors
  • Limited to iOS devices and Square's proprietary hardware, excluding Android or third-party devices
  • Limited advanced retail capabilities and deeper third-party integrations compared to enterprise POS systems

Pricing, plan by plan

Inventory Lab

Free
  • Standard$69/month
    • access to 10 tools
    • 1 user account
    • designed for independent resellers
  • Teams$129/month
    • all 10 tools
    • up to 10 users
    • shared workflows and collaboration
  • Pro$199/month
    • all pro versions of 10 tools
    • up to 10 users
    • premium support under 30-minute response time
  • Enterprise$null/custom
    • more than 10 users
    • custom terms

Square for Retail

Free
  • FreeFree
    • Payment processing at 2.6% + 15 cents
    • Basic inventory management
    • Invoicing
  • Plus$49/month
    • In-person: 2.5% + 15 cents
    • Online: 2.9% + 30 cents
    • Product exchanges
  • Premium$149/month
    • In-person: 2.4% + 15 cents
    • Online: 2.9% + 30 cents
    • Advanced features

Which should you pick?

Choose Inventory Lab if

  • You need fba inventory tracking.
  • You want to start without paying.
  • You also want repricing automation.
Inventory Lab review

Choose Square for Retail if

  • You need contactless payments.
  • You want to start without paying.
  • You work on iOS, API.
  • You also want inventory tracking.
Square for Retail review

Questions people ask

Is Inventory Lab or Square for Retail better?
Neither clearly leads. Inventory Lab starts at Free and Square for Retail at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Inventory Lab or Square for Retail?
Inventory Lab starts at Free and Square for Retail at Free.
Does Inventory Lab or Square for Retail run on more platforms?
Inventory Lab runs on Web. Square for Retail runs on iOS, API.
Can I use Inventory Lab for free?
Both have a free tier, so you can try either at no cost before committing.
What is Inventory Lab best used for?
Inventory Lab is most often used for amazon seller management, multi-channel reselling, inventory tracking. Of those, amazon seller management and multi-channel reselling are not what Square for Retail is typically brought in for.
What can Inventory Lab do that Square for Retail cannot?
Inventory Lab covers FBA inventory tracking, Repricing automation, Price monitoring, Profit calculations. Square for Retail covers Contactless payments, Inventory tracking, Employee management, Customer profiles. Both handle Sales analytics.

Answered from the vendors’ own pages

Inventory Lab: What is the free trial period for Inventory Lab?

Inventory Lab offers a 14-day free trial, with bonus days awarded when connecting Amazon accounts.

Source
Square for Retail: Does Square for Retail have a free tier?

Yes, Square for Retail's free tier includes payment processing at 2.6% plus 15 cents per transaction, basic inventory, invoicing, online shop, and booking tools with no monthly subscription fee.

Source
Inventory Lab: Can I save money on Inventory Lab with annual billing?

Yes, annual billing saves money: Standard saves $48/year, Teams saves $120/year, and Pro saves $192/year compared to monthly billing.

Source
Square for Retail: What are the transaction fees across Square's pricing tiers?

Free tier: 2.6% + 15 cents. Plus tier ($49/month): 2.5% + 15 cents in-person, 2.9% + 30 cents online. Premium tier ($149/month): 2.4% + 15 cents in-person, 2.9% + 30 cents online.

Source
Inventory Lab: Is there an add-on to use Inventory Lab on channels beyond Amazon?

Yes, the UniCon multichannel add-on is available starting at $49/month for expanding beyond Amazon.

Source
Square for Retail: What devices can run Square for Retail?

Square for Retail runs on iOS devices (iPad and iPhone) using Square's proprietary hardware or compatible mobile devices, and requires integration with Square's payment processing.

Source
Square for Retail: Can I use Square for Retail offline?

Square for Retail depends on an internet connection for optimal functionality. Offline functionality is limited, and high-traffic operations may require recharging or connection verification.

Source
Square for Retail: Does Square for Retail support third-party integrations?

Yes, Square offers integrations through its App Marketplace and provides APIs for custom development including payments, inventory, orders, customers, loyalty, and webhooks.

Source
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