Sales Tax Pricing IndexA sourced comparison

Pricing comparison

Sphere vs TaxJar pricing

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How does Sphere pricing compare to TaxJar? Sphere's Starter is $100/month ($1,200/year); TaxJar's Starter starts at $39/month ($419/year). At the entry tier, TaxJar is the cheaper option. TaxJar charges per-state filing fees; Sphere does not.

Sphere vs TaxJar: typical pricing

Annual cost for two common ecommerce profiles. Both assume Shopify, monthly filing cadence, annual billing, and a typical $120 AOV. Run the calculator to plug in your own numbers.

SMB

50K orders · 120 filings · 10 states · 5 SST · Shopify

Sphere

Starter

$12,000

TaxJar

Professional

$22,379

Mid-Market

250K orders · 200 filings · 20 states · 10 SST · Shopify

Sphere

Starter

$24,000

TaxJar

Professional

$35,779

Side by side

DimensionSphereTaxJar
Entry-tier subscriptionStarter: $100/mo · $1,200/yrStarter: from $39/mo · $419/yr
Per-state filing feeNone$50 / filing
Per-state registration feeNone$299 / registration
Per-transaction feeCharged, rate not publishedNone
Pricing transparencyTransparentTransparent
SST Certified Service ProviderNoNo
International VAT / GSTYesNo

About

Sphere

Fast-growing SaaS and digital businesses with global customers; strong fit for AI-native companies like Lovable, Replit, ElevenLabs, Runway AI

Full Sphere pricing breakdown →

About

TaxJar

SMB to mid-market ecommerce; strong fit for Stripe-native businesses

Full TaxJar pricing breakdown →

Frequently asked questions

How does Sphere pricing compare to TaxJar?
How does Sphere pricing compare to TaxJar? Sphere's Starter is $100/month ($1,200/year); TaxJar's Starter starts at $39/month ($419/year). At the entry tier, TaxJar is the cheaper option. TaxJar charges per-state filing fees; Sphere does not.
Which is cheaper, Sphere or TaxJar?
TaxJar at the entry tier, $39/mo vs. $100/mo. But the entry-tier price isn't the whole picture: per-filing fees, transaction fees, and registration costs all shift the math. Run the calculator with your real numbers to see which adds up to less for your business.
Are Sphere or TaxJar SST certified?
Neither. Without SST certification, you'll pay full per-filing fees in every state, including the 24 SST member states.
Does Sphere or TaxJar support international VAT and GST?
Sphere does. TaxJar is US sales tax only. If you sell internationally, you'll need a separate solution.
Does Sphere or TaxJar charge per filing?
TaxJar does ($50/filing). Sphere doesn't; its subscription includes filings, so cost scales with volume instead.
Who is each one built for?
Sphere targets Fast-growing SaaS and digital businesses with global customers; strong fit for AI-native companies like Lovable, Replit, ElevenLabs, Runway AI. TaxJar targets SMB to mid-market ecommerce; strong fit for Stripe-native businesses. The fit question matters more than the price one. Buy the product that actually covers your situation.

Want a number specific to your business? The calculator ranks all eight providers, including Sphere and TaxJar, by what they'd actually cost given your volume, state footprint, and SST eligibility.