Kintsugi Sales Tax Automation vs SphereTax
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026 for Kintsugi Sales Tax Automation, Oct 13, 2026 for SphereTax.
The short answer
- SphereTax lists 11 features Kintsugi Sales Tax Automation’s listing doesn’t mention, including Canada (HST, PST, GST), Custom invoices, EU (VAT).
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Address validation
- · Automated risk assessment
- · Easy CSV transaction imports
- · Exposure/historical liabilities auditing
- · Free nexus monitoring: physical/economic
- · New nexus alerts
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureKintsugi uses AI to handle sales tax end-to-end, including automatic filing, registration, and physical mail handling. Our app connects to your store in minutes, tracks nexus in US and global jurisdictions, applies rooftop-accurate rates, and auto-files returns on schedule. Real-time dashboards expose liability down to each transaction, slashing audit risk and manual busywork.
SphereTax connects your Shopify store to Sphere's sales tax engine. It calculates accurate sales tax at checkout, tracks where your sales create filing obligations, and prepares and files returns in every jurisdiction where you're registered, with remittance handled for you.
- Nexus determination and tax liability calculation
- Registrations and filing
- 24*7 instant support
- Exemption management
- Real-time sales tax calculation at checkout across US/International jurisdiction
- Automated return preparation and filing in every registered state.
- Tax remittance handled end to end.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Kintsugi Sales Tax Automation |  SphereTax |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Kintsugi Sales Tax Automation | SphereTax |
|---|---|---|
| App Store rating | 4.8 ★ | Not published |
| App Store reviews | 36 | Not published |
| New reviews, 28 days | 1 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Kintsugi Sales Tax Automation | SphereTax |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | Kintsugi Sales Tax Automation | SphereTax |
|---|---|---|
| Shopify category rank | #14(ahead) | #102 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 17, 2023 | Sep 24, 2026 |
| Languages | 1 | 1 |
| Developer | Kintsugi | Sphere |
FAQ
Kintsugi Sales Tax Automation and SphereTax: common questions
- What features does each app list that the other doesn’t?
- SphereTax lists 11 the others don’t mention, such as Canada (HST, PST, GST), Custom invoices, EU (VAT), Exemption managment. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 3, 2026 for Kintsugi Sales Tax Automation, Oct 13, 2026 for SphereTax; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 3, 2026 for Kintsugi Sales Tax Automation, Oct 13, 2026 for SphereTax. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.