Pricing comparison
Kintsugi vs Sphere pricing
Last updated
How does Kintsugi pricing compare to Sphere? Kintsugi's Starter has no monthly subscription fee; Sphere's Starter is $100/month. At the entry tier, Kintsugi is the cheaper option. Kintsugi charges per-state filing fees; Sphere does not.
Kintsugi vs Sphere: 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
Kintsugi
Starter
$9,000
Kintsugi is not an SST CSP. full $75/return applies in all states including SST members. +1 more
Sphere
Starter
From $12,000
At 10 regions you are past Sphere's published Starter tier, which covers fewer than 10 regions. Sphere routes 10+ regions to a quote-only Growth tier with no published price, so this figure is the Starter rate extended as a floor, not a quote. +3 more
Mid-Market
250K orders · 200 filings · 20 states · 10 SST · Shopify
Kintsugi
Starter
$15,000
Kintsugi is not an SST CSP. full $75/return applies in all states including SST members. +1 more
Sphere
Starter
From $24,000
At 20 regions you are past Sphere's published Starter tier, which covers fewer than 10 regions. Sphere routes 10+ regions to a quote-only Growth tier with no published price, so this figure is the Starter rate extended as a floor, not a quote. +3 more
Side by side
| Dimension | Kintsugi | Sphere |
|---|---|---|
| Entry-tier subscription | Starter: no monthly fee (per-event pricing)[A] ↗ | Starter: $100/mo[A] ↗ |
| Per-state filing fee | $75 / filing[A] ↗ | None |
| Per-state registration fee | $75 / registration[A] ↗ | None |
| Per-transaction fee | None | Charged, rate not published |
| Pricing transparency | Partial | Partial |
| SST Certified Service Provider | No | No |
| International VAT / GST | Yes | Yes |
Source confidence: A = vendor pricing page, B = help center, C = third-party aggregator, G = estimated. Per-transaction, transparency, and SST rows are structural, not dollar figures.
About
Kintsugi
Mid-market ecommerce and SaaS; AI-first positioning attracts technically-oriented finance teams; strong fit for Shopify, Stripe, Chargebee, QuickBooks, BigCommerce
Full Kintsugi pricing breakdown →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 →Frequently asked questions
- How does Kintsugi pricing compare to Sphere?
- Kintsugi's Starter has no monthly subscription fee; Sphere's Starter is $100/month. At the entry tier, Kintsugi is the cheaper option. Kintsugi charges per-state filing fees; Sphere does not.
- Which is cheaper, Kintsugi or Sphere?
- Kintsugi at the entry tier, $0/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 Kintsugi or Sphere SST certified?
- Neither. Without SST certification, you'll pay full per-filing fees in every state, including the 24 SST member states.
- Do Kintsugi and Sphere both support international VAT and GST?
- Yes. Both extend beyond US sales tax. Kintsugi covers multiple countries; Sphere covers 100.
- Does Kintsugi or Sphere charge per filing?
- Kintsugi does ($75/filing). Sphere doesn't; its subscription includes filings, so cost scales with volume instead.
- Who is each one built for?
- Kintsugi targets Mid-market ecommerce and SaaS; AI-first positioning attracts technically-oriented finance teams; strong fit for Shopify, Stripe, Chargebee, QuickBooks, BigCommerce. Sphere targets Fast-growing SaaS and digital businesses with global customers; strong fit for AI-native companies like Lovable, Replit, ElevenLabs, Runway AI. The fit question matters more than the price one. Buy the product that actually covers your situation.
Sources
Every Kintsugi and Sphere figure on this page traces back to one of the sources below. Confidence ratings are explained on the methodology page.
- [1]AKintsugi Pricing | Sales Tax Automation PlansAccessed August 18, 2026
- [2]DKintsugi Pricing Explained: What It Costs in 2026Accessed May 11, 2026
- [3]DKintsugi Sales Tax Automation, Shopify App StoreAccessed May 11, 2026
- [4]AAbout KintsugiAccessed May 11, 2026
- [5]ASphere PricingAccessed August 18, 2026
- [6]DSphere raises $21M Series A led by a16zAccessed August 18, 2026
- [7]DTop 8 Leading Sales Tax Compliance Software in the US (2026)Accessed May 11, 2026
Want a number specific to your business? The calculator ranks all eight providers, including Kintsugi and Sphere, by what they'd actually cost given your volume, state footprint, and SST eligibility.