HSA Trackr

Flex Health vs Sika Health HSA Comparison (2026)

HSA/FSA payment platform focused on gym memberships and fitness, including Equinox integration.

HSA/FSA payment platform with LMN issuance for partner brands across wellness, fitness, and nutrition.

HSA Eligibility at a Glance

Flex Health

HSA-eligible

Flex's checkout includes the LMN issuance flow, making partner products HSA-eligible.

Sika Health

HSA-eligible

Sika operates the same checkout-with-LMN model for its partner network.

Pricing

Flex Health

Free to buyers, merchants pay a processing fee

Sika Health

Free to buyers, merchants pay a processing fee

Which Should You Pick?

When to choose Flex Health

  • You're an Equinox member, Flex has the strongest Equinox integration
  • You buy primarily fitness or gym-adjacent products
  • Your preferred brand uses Flex at checkout

When to choose Sika Health

  • Your preferred brand uses Sika instead of Flex
  • You want broader nutrition and supplement coverage
  • You prefer Sika's checkout UX

Visit Each Vendor

Visit Flex HealthVisit Sika Health

Related Comparisons

Truemed vs. Flex

Truemed vs. Sika

Truemed Alternatives

Flex Alternatives

Common Questions

Are Flex Health and Sika Health both HSA-eligible?▼
Yes, both process HSA/FSA payments and issue LMNs at checkout for their partner products.
Which has more brand partners?▼
Flex skews toward fitness and gym; Sika skews toward nutrition and supplements. Coverage overlaps in wellness and general health.
Do I pay extra to use either?▼
No, both are free for buyers. Merchants pay the processing fees.
Will my HSA card work at checkout?▼
Yes, both accept HSA/FSA debit cards directly at their hosted checkout flow.
How do I track these purchases for my HSA?▼
Save the receipt and the LMN PDF from your Flex or Sika account. Upload both to HSA Trackr to keep a complete record.

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2026 Contribution Limits

How much you can contribute this year

HSA-Eligible Expenses

Browse the full list of qualified medical expenses

Track every wellness expense in HSA Trackr

Whether you use Flex Health or Sika Health, snap a photo of your receipt and let AI categorize it. Keep your LMN documentation organized.

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