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Software · head to head

Inventory Lab vs Memberful

Inventory Lab logo

Inventory Lab

Software

FBA inventory management made simple

From
$29/month
Rated
-
Full reviewWebsite
Memberful logo

Memberful

Software

Membership platform for creators to sell subscriptions, courses and gated content

From
$49/month
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; Memberful charges a 4.9% transaction fee on top of the flat monthly fee on the Standard plan.
  • They diverge on capability: Inventory Lab covers FBA inventory tracking, Memberful covers Membership checkout.

Where they differ

Only the attributes on which Inventory Lab and Memberful actually diverge.

Attributes where Inventory Lab and Memberful differ
AttributeInventory LabMemberful
Starting price$29/month$49/month
PlatformsWebweb, api
Founded20112013

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

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
  • Sales analytics
  • Profit calculations
  • Supplier management
  • Alerts and notifications
  • Forecasting tools

Only in Memberful

  • Membership checkout
  • Flexible subscriptions
  • Member management
  • Landing page builder
  • Dynamic paywalls
  • Third-party integrations

What people use each for

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

Inventory Lab

  • Amazon and Walmart reseller inventory, listing and profit tracking as part of Seller 365not Memberful

Memberful

  • Selling paid membership subscriptions from an existing websitenot Inventory Lab
  • Gating podcast, newsletter or course content behind a paywallnot Inventory Lab
  • Running a WordPress site with paid member-only contentnot Inventory Lab
  • Offering one-time purchases alongside recurring membershipsnot 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

Memberful

  • Charges a 4.9% transaction fee on top of the flat monthly fee on the Standard plan.
  • Requires a separate Stripe account, adding setup complexity compared to all-in-one checkout platforms.
  • Lacks built-in course-hosting depth found in dedicated learning management platforms.
  • No free plan beyond the pre-launch trial period; charges begin once payments go live.

Pricing, plan by plan

Inventory Lab

$29/month
  • Essentials$29/month
    • Inventory management
    • Price monitoring
    • Email alerts
  • Pro$99/month
    • All Essentials features
    • Automated repricing
    • Advanced analytics

Memberful

$49/month
  • Standard$49/month
    • 4.9% transaction fee
    • Full platform access
    • Free until you go live
  • Enterprise$undefined/mo
    • Custom volume-based rates
    • Premium services and success management
    • Dedicated migration support

Which should you pick?

Choose Inventory Lab if

  • You need fba inventory tracking.
  • You also want repricing automation.
Inventory Lab review

Choose Memberful if

  • You need membership checkout.
  • You work on web, api.
  • You also want flexible subscriptions.
Memberful review

Questions people ask

Is Inventory Lab or Memberful better?
Neither clearly leads. Inventory Lab starts at $29/month and Memberful at $49/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Inventory Lab or Memberful?
Inventory Lab starts at $29/month and Memberful at $49/month.
Does Inventory Lab or Memberful run on more platforms?
Inventory Lab runs on Web. Memberful runs on web, api.
What is Inventory Lab best used for?
Inventory Lab is most often used for amazon and walmart reseller inventory, listing and profit tracking as part of seller 365. Of those, amazon and walmart reseller inventory, listing and profit tracking as part of seller 365 is not what Memberful is typically brought in for.
What can Inventory Lab do that Memberful cannot?
Inventory Lab covers FBA inventory tracking, Repricing automation, Price monitoring, Sales analytics. Memberful covers Membership checkout, Flexible subscriptions, Member management, Landing page builder.

Answered from the vendors’ own pages

Memberful: What does Memberful cost?

Memberful's Standard plan costs $49/month plus a 4.9% transaction fee, while larger organizations can get custom volume-based rates on the Enterprise plan.

Source
Memberful: Is there a free plan, and what are its limits?

Memberful can be used for free while setting up a membership site, with no charges incurred until the creator goes live and starts accepting payments.

Source
Memberful: What does Memberful integrate with?

Memberful integrates with WordPress, Mailchimp, Discord and Kit, among other tools, to connect membership data with existing sites and marketing systems.

Source
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