MailOdds vs Avalara

Tax calc as a sales-call SKU, or tax calc that ships in your onboarding flow.

Avalara AvaTax is the gold standard for tax calculation, and we respect the engineering. The pricing is opaque, the integration is multi-week, and the Returns filing tier is a second SKU. MailOdds includes calc in onboarding. You hand the per-jurisdiction CSV to your accountant.

Scaling Challenger calculator

You currently pay roughly $3,000/month.

We replace it for $500/mo + 0.9% of GMV (calc included).

Avalara AvaTax stack todayMonthly
Avalara AvaTax (calc only, SMB tier)
Midpoint of public field-reported SMB pricing across 3-5 jurisdictions
$700/mo
Avalara Returns (optional, monthly filing)
We do not file; your accountant does. Hold this in your back pocket.
$800/mo
Implementation engineering hours
Avalara integration is rarely a one-week project
$1,500/mo
Estimated total~$3,000/mo
MailOdds$500/mo + 0.9% of GMV (calc included)

Public list pricing as of 2026-05. Your contract pricing may differ. We never quote anchor pricing — change the inputs and we recalculate.

Side by side

CapabilityAvalara AvaTaxMailOdds
Tax calculation accuracy
High, jurisdiction-by-jurisdiction
High, OSS rate tables refreshed daily, 80 countries
Calc latency at checkout
~150ms typical
p95 under 20ms
EU VAT (OSS, IOSS, reverse-charge)
Yes
Yes, with VIES validation
Pricing transparency
Sales-call quote
Included in $500/mo + 0.9%
Time to integration
Multi-week implementation project
Live during onboarding (2 of 8 fields)
Files returns for you
Yes (separate Returns SKU)
No — we generate per-jurisdiction CSVs your accountant files
Bundled with the storefront
No (calls out from your platform)
Yes — same dashboard, same login
MCP-native
No
Yes (calc and report tools both)

We never become a merchant of record.

That means we do not file your returns and we do not absorb your tax liability. We calculate at checkout, surface the right method, and produce the report your accountant needs. You stay in control of remittance.