TaxJar alternatives, by how you'd rather pay.

Best for: Thin filing calendars — pay per event, nothing in between

The structural opposite of a tiered subscription: connect your stores free, get a nexus study free, and pay only when a registration ($150) or filing ($75) actually happens. Month-to-month, no contract, with autofile, a virtual mailbox, AI product classification and exemption certificate management included in the per-event price. For the business TaxJar's order caps were designed to upsell, this is the cleanest exit.

Main limitation: At many-state monthly cadence the per-event math flips against you — that's when a subscription or Avalara-shaped contract wins. Global coverage and the tax engine API sit in a quote-based Enterprise tier.

Best for: Shopify and Stripe stores comparing on cost

Priced by order band rather than flat tiers, which rewards stores whose volume sits between TaxJar's steps. Starter aims at Shopify and Stripe sellers needing reporting and filing; Premium adds the full compliance stack; audit support starts at $99/mo. Annual billing saves up to 16%, and the 30-day trial runs Premium features without a credit card.

Main limitation: You select an order band before the tier price shows — the headline numbers aren't printed flat. Registrations, custom onboarding and specialized services are quote-based on top.

Best for: Owners who want the whole job off their plate

Where TaxJar gives you dashboards to operate, Zamp takes the operation: nexus monitoring, registrations, rooftop-accurate calculation, filings, remittance and notice management run as a managed service. The free tier — nexus assessment, product taxability review, a 30-minute consultation — is a genuinely useful diagnostic even if you never upgrade. A US + Canada plan covers GST/HST/PST/QST if you sell north of the border.

Main limitation: No published prices for the paid tiers; Zamp says scope varies too much to print rates. You cannot cost-compare it from the website, which is the exercise this page exists for.

Best for: Volume that outgrew order-capped tiers

The direction people upgrade rather than escape to. Avalara publishes a starting point — a tax calculation and returns compliance package from $699, registration at $403 per location, license guidance from $119 — and scales the rest with transaction volume, integrations and jurisdictions. What you get for the quote: deeper product taxability, certified enterprise integrations, and license services no small-business tool carries.

Main limitation: Volume-scaled and mostly quote-based — the exact structure that sends small sellers looking for alternatives. If your volume doesn't justify it, you're buying shape you don't need.

Best for: Owners for whom sales tax is one thread of a larger compliance tangle

Not a sales tax engine, and not pretending to be one. deciqAI reads your actual books and flags the obligations they imply — state registrations and annual reports, franchise filings, federal deadlines, foreign-account thresholds — each with a dollar exposure where the statute sets one, a named owner, and a CPA sign-off step before anything client-facing moves. If what started as a TaxJar comparison turned into "what else am I supposed to be filing?", this is the tool for that question. Disclosure: this is our product — we're not neutral, weigh accordingly.

Main limitation: It does not calculate, collect or file sales tax, and won't. For rate calculation and returns you still need one of the four tools above; deciqAI's job ends at telling you which obligations are in play and what it costs to be wrong.

How much does TaxJar cost?

TaxJar publishes two tiers: Starter at $39/mo and Professional at $99/mo, both covering 200 orders a month, with annual billing saving 10% or more. Starter includes up to 3 data integrations and 2 free AutoFile credits a year; Professional includes up to 10 integrations, 4 AutoFile credits, phone support and 10 team users. Flex fees let a high-sales month spike without permanently upgrading.

What is the cheapest TaxJar alternative?

Depends on your filing calendar. With few states filed quarterly, Numeral's per-event pricing ($75 per filing, $150 per registration, free monitoring, no subscription) usually wins. With steady order volume, TaxCloud's order-tiered plans with filing from $39/mo compete directly. Count filings per year and multiply — the answer falls out of arithmetic, not reviews.

Is TaxJar owned by Stripe, and should I just use Stripe Tax?

TaxJar's own pricing page points Stripe users toward Stripe Tax as an alternative, and if your billing already runs through Stripe it's worth pricing first — calculation is native there. Check what registration and filing coverage your Stripe plan actually includes before deciding; calculation is the easy third of the compliance job.

Do these tools tell me where I have nexus?

Numeral's free tier includes a nexus study and Zamp's includes a nexus assessment and product taxability review — both genuinely free diagnostics. TaxCloud and Avalara surface economic-nexus tracking inside their platforms. Treat every threshold you read as state-specific: the common $100,000 figure varies in both amount and what counts toward it, and services are treated differently from goods.

Can deciqAI replace TaxJar?

No. deciqAI does not calculate, collect or file sales tax. It reads your books and flags the compliance obligations they imply — state registrations, annual reports, franchise filings, foreign-account reporting — computes exposure where a statute sets one, and routes each item through a CPA sign-off. It pairs with a sales-tax tool; it doesn't substitute for one.