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Affiliate Marketing · head to head

OSI Affiliate Software vs PartnerStack

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OSI Affiliate Software

Affiliate Marketing

Referral marketing software with social sharing

From
$47/month
Rated
-
Full reviewWebsite
PartnerStack logo

PartnerStack

Affiliate Marketing

B2B partner ecosystem platform for SaaS companies

From
$800/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OSI Affiliate Software limited onboarding materials and knowledge resources for new users; PartnerStack pricing is not published; the plan and price are set during a sales demo
  • They diverge on capability: OSI Affiliate Software covers Social media sharing, PartnerStack covers Partner marketplace.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which OSI Affiliate Software and PartnerStack actually diverge.

Attributes where OSI Affiliate Software and PartnerStack differ
AttributeOSI Affiliate SoftwarePartnerStack
Starting price$47/month$800/month
Pricing modelUnknownsubscription
PlatformsWeb, APIWeb
Founded20002015

Identical on both: free tier (No), user rating (Not yet rated), category (Affiliate Marketing).

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 OSI Affiliate Software

  • Social media sharing
  • Contest and giveaways
  • Coupon tracking
  • Email campaigns
  • Affiliate management
  • Shopify
  • WooCommerce
  • Magento

Only in PartnerStack

  • Partner marketplace
  • Automated payouts
  • Multi-program support
  • Partner portal
  • Revenue attribution
  • Salesforce
  • HubSpot
  • Stripe

Both cover

  • Web support

What people use each for

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

OSI Affiliate Software

  • affiliate marketing managementnot PartnerStack
  • Workflow automationnot PartnerStack
  • Reportingnot PartnerStack

PartnerStack

  • Running an affiliate or referral programmenot OSI Affiliate Software
  • Partner lead and deal registration for a reseller channelnot OSI Affiliate Software
  • Paying partners across geographiesnot OSI Affiliate Software
  • Onboarding and training partnersnot OSI Affiliate Software
  • Finding partners through the PartnerStack marketplacenot OSI Affiliate Software

Where each one falls short

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

OSI Affiliate Software

  • Limited onboarding materials and knowledge resources for new users
  • Custom domain setup can be challenging with configuration issues
  • Reported bugs and stability issues in user reviews
  • Limited ability to accommodate complex commission structures
  • No automation marketplace integration (no Zapier, limited third-party ecosystem)

PartnerStack

  • Pricing is not published; the plan and price are set during a sales demo
  • The entry Launch tier makes you choose between affiliate link tracking and lead or deal registration rather than offering both
  • Advanced integrations, learning management and MDF management require the Growth tier
  • Custom workflows and a dedicated customer success manager are Enterprise only

Pricing, plan by plan

OSI Affiliate Software

$47/month
  • Basic$47/month
    • Unlimited affiliate programs
    • Multi-tier support
    • Social media sharing
  • Plus$97/month
    • All Basic features
    • Advanced analytics
    • Influencer directory

PartnerStack

$800/month
  • Launch$800/month
    • Partner portal
    • Automated payouts
    • Analytics dashboard

Which should you pick?

Choose OSI Affiliate Software if

  • You need social media sharing.
  • You work on Web, API.
  • You also want contest and giveaways.
OSI Affiliate Software review

Choose PartnerStack if

  • You need partner marketplace.
  • You also want automated payouts.
PartnerStack review

Questions people ask

Is OSI Affiliate Software or PartnerStack better?
Neither clearly leads. OSI Affiliate Software starts at $47/month and PartnerStack at $800/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OSI Affiliate Software or PartnerStack?
OSI Affiliate Software starts at $47/month and PartnerStack at $800/month.
Does OSI Affiliate Software or PartnerStack run on more platforms?
OSI Affiliate Software runs on Web, API. PartnerStack runs on Web.
What is OSI Affiliate Software best used for?
OSI Affiliate Software is most often used for affiliate marketing management, workflow automation, reporting. Of those, affiliate marketing management and workflow automation are not what PartnerStack is typically brought in for.
What can OSI Affiliate Software do that PartnerStack cannot?
OSI Affiliate Software covers Social media sharing, Contest and giveaways, Coupon tracking, Email campaigns. PartnerStack covers Partner marketplace, Automated payouts, Multi-program support, Partner portal. Both handle Web support.

Answered from the vendors’ own pages

OSI Affiliate Software: What are OSI Affiliate's pricing tiers?

OSI Affiliate offers Basic plan at $47/month and Plus plan at $97/month. Both include unlimited affiliate program creation, multi-tier support, and social media sharing features.

Source
PartnerStack: What is PartnerStack used for?

PartnerStack helps partnership teams easily scale their program revenue by automating a variety of partner referral and sales motions in a single dashboard, supporting affiliate, referral, co-sell and influencer programs.

Source
OSI Affiliate Software: Does OSI Affiliate offer a free trial?

Yes, OSI Affiliate offers a free 15-day trial with no credit card required, allowing full platform access before commitment.

Source
PartnerStack: How does PartnerStack automate commissions?

PartnerStack automates the entire commission process from tracking partner-sourced revenue to calculating payouts and issuing payments, consolidating all approved commissions into a single monthly invoice and distributing earnings to every partner.

Source
OSI Affiliate Software: What e-commerce platforms does OSI Affiliate integrate with?

OSI Affiliate integrates with Shopify, BigCommerce, PayPal, WordPress, WooCommerce, Magento, and other major e-commerce platforms.

Source
PartnerStack: Does PartnerStack provide partner recruitment tools?

Yes. PartnerStack AI automatically identifies and ranks the best-fit partners for your program using data from across the PartnerStack Network, and leverages AI-generated invites to scale your outreach with personalized messages.

Source
OSI Affiliate Software: Does OSI Affiliate support multi-tier affiliate programs?

Yes, every OSI Affiliate plan includes multi-tier affiliate program support, allowing you to create secondary commission structures and recruit top affiliates.

Source
PartnerStack: How many partners are in the PartnerStack ecosystem?

PartnerStack hosts over 80,000 active vetted partners in its ecosystem, with over 800 partner programs ranging from startups to publicly traded corporations.

Source
OSI Affiliate Software: What commission tracking and reporting features does OSI Affiliate provide?

OSI Affiliate tracks sales, impressions, clicks, session time, and historical data with detailed reporting section. It includes promo code tracking, built-in promotional resources, and affiliate recruitment tools.

Source
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