Softwr

Accounting · head to head

Avalara vs Supabase

Avalara logo

Avalara

Accounting

Tax compliance done right

From
$29/month
Rated
-
Full reviewWebsite
Supabase logo

Supabase

Technology

The open source Firebase alternative

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Supabase has a free tier, so it costs nothing to try first.
  • Each has a real cost: Avalara pricing varies significantly based on products, integrations, transaction volume, and jurisdictions; Supabase free tier projects auto-pause after 1 week of inactivity
  • They diverge on capability: Avalara covers Tax calculation, Supabase covers PostgreSQL database.

Where they differ

Only the attributes on which Avalara and Supabase actually diverge.

Attributes where Avalara and Supabase differ
AttributeAvalaraSupabase
Starting price$29/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, ApiWeb, iOS, Android
CategoryAccountingTechnology
Founded20042020

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Avalara

  • Tax calculation
  • Returns filing
  • Exemption management
  • Document management
  • Real-time rates
  • QuickBooks
  • NetSuite
  • Shopify

Only in Supabase

  • PostgreSQL database
  • Auto-generated APIs
  • Authentication & authorization
  • Real-time subscriptions
  • Storage
  • Edge functions
  • Vector embeddings
  • Database migrations

What people use each for

The jobs each tool is most often brought in to do.

Avalara

  • Real-time sales tax calculation at checkoutnot Supabase
  • Multi-state and multi-jurisdiction tax determinationnot Supabase
  • VAT, lodging, communications and excise tax calculationnot Supabase
  • Feeding tax results into an ERP or ecommerce platform through the APInot Supabase

Supabase

  • Web application backends using Postgres plus auto-generated REST/GraphQL APIsnot Avalara
  • Mobile app backends via Flutter/Swift/Kotlin client librariesnot Avalara
  • AI applications using vector/embeddings storagenot Avalara
  • Authentication with 20+ social providers plus email/passwordnot Avalara
  • File and media storage (S3-compatible with CDN) and realtime sync over WebSocketsnot Avalara

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Avalara

  • Pricing varies significantly based on products, integrations, transaction volume, and jurisdictions
  • No free tier or trial period published
  • Enterprise sales model requires contacting sales specialists for customized quotes

Supabase

  • Free tier projects auto-pause after 1 week of inactivity
  • Free tier hard caps: 500 MB database, 1 GB file storage, 5 GB egress/month, 50,000 monthly active users, max 2 active free projects per organization
  • Pro plan charges usage overages beyond included quotas, e.g. $0.00325 per MAU above 100,000 and $0.125/GB disk above 8 GB
  • SOC2/ISO 27001 certification and HIPAA (add-on) compliance require the $599/month Team plan; not available on the $25/month Pro plan

Pricing, plan by plan

Avalara

$29/month
  • AvaTax$50/month
    • Tax calculation
    • Exemption certificates
    • Returns filing

Supabase

Free
  • FreeFree
    • 50,000 MAU
    • 500MB database
    • 5GB egress
  • Pro$25/month
    • 100,000 MAU
    • 8GB disk
    • 250GB egress
  • Team$599/month
    • SOC2 and ISO 27001
    • HIPAA add-on
    • 28-day log / 14-day backup retention
  • Enterprise$undefined/month
    • Custom limits
    • Dedicated support manager
    • 24/7/365 support

Which should you pick?

Choose Avalara if

  • You need tax calculation.
  • You work on Web, Api.
  • You also want returns filing.
Avalara review

Choose Supabase if

  • You need postgresql database.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want auto-generated apis.
Supabase review

Questions people ask

Is Avalara or Supabase better?
Neither clearly leads. Avalara starts at $29/month and Supabase at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avalara or Supabase?
Supabase has a free tier; the other does not. Paid plans start at $29/month for Avalara and Free for Supabase.
Does Avalara or Supabase run on more platforms?
Avalara runs on Web, Api. Supabase runs on Web, iOS, Android.
Can I use Supabase for free?
Yes. Supabase has a free tier, so you can try it without paying. Avalara starts at $29/month.
What is Avalara best used for?
Avalara is most often used for real-time sales tax calculation at checkout, multi-state and multi-jurisdiction tax determination, vat, lodging, communications and excise tax calculation, feeding tax results into an erp or ecommerce platform through the api. Of those, real-time sales tax calculation at checkout and multi-state and multi-jurisdiction tax determination are not what Supabase is typically brought in for.
What can Avalara do that Supabase cannot?
Avalara covers Tax calculation, Returns filing, Exemption management, Document management. Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions.

Answered from the vendors’ own pages

Avalara: What are the starting prices for Avalara services?

Avalara Tax Calculation and Returns Compliance Package starts at $699. License Guidance is available for as low as $119. Sales Tax Registration costs $403 per location.

Source
Supabase: How much does Supabase cost?

Supabase offers a free tier and three paid plans. Pro starts at $25 per month, Team at $599 per month, and Enterprise requires a custom quote. All pricing is in USD charged monthly.

Source
Avalara: How does Avalara's pricing scale?

Avalara uses volume-based pricing that varies based on the number of integrated business applications, volume of monthly sales transactions, number of states or jurisdictions for tax collection, and Streamlined Sales Tax enrollment. Pricing scales with business growth and transaction volume.

Source
Supabase: What are Supabase's usage overage fees?

Pro plan users pay $0.00325 per monthly active user over the 100,000 included, and $0.125 per GB for database storage exceeding 8 GB per project. Compute instances cost $10 to $3,730+ per month.

Source
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