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Customer Success · head to head

ChurnZero vs Supabase

ChurnZero logo

ChurnZero

Customer Success

Real-time Customer Success Platform

From
On request
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: ChurnZero no pricing tiers or rates published on website; Supabase free tier projects auto-pause after 1 week of inactivity
  • They diverge on capability: ChurnZero covers Real-time alerts, Supabase covers PostgreSQL database.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ChurnZero and Supabase actually diverge.

Attributes where ChurnZero and Supabase differ
AttributeChurnZeroSupabase
Starting priceOn requestFree
Free tierNoYes
PlatformsWebWeb, iOS, Android
CategoryCustomer SuccessTechnology
Founded20152020

Identical on both: pricing model (Unknown), 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 ChurnZero

  • Real-time alerts
  • In-app messaging
  • Customer health scores
  • Journey automation
  • NPS surveys
  • Salesforce
  • HubSpot
  • Slack

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.

ChurnZero

  • Customer success and churn preventionnot Supabase
  • Customer health scoring and proactive risk detectionnot Supabase
  • Automated customer engagement through AI agentsnot Supabase
  • Customer renewal forecastingnot Supabase
  • NPS and satisfaction surveysnot Supabase
  • Multi-platform customer communication and collaborationnot Supabase

Supabase

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

Where each one falls short

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

ChurnZero

  • No pricing tiers or rates published on website
  • Vendor requires 'Book a Demo' to discuss pricing with sales team
  • Pricing model not disclosed online

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

ChurnZero

On request

No published plan breakdown. See the ChurnZero review.

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 ChurnZero if

  • You need real-time alerts.
  • You also want in-app messaging.
ChurnZero 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 ChurnZero or Supabase better?
Neither clearly leads. ChurnZero starts at On request and Supabase at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ChurnZero or Supabase?
Supabase has a free tier; the other does not. Paid plans start at On request for ChurnZero and Free for Supabase.
Does ChurnZero or Supabase run on more platforms?
ChurnZero runs on Web. 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. ChurnZero starts at On request.
What is ChurnZero best used for?
ChurnZero is most often used for customer success and churn prevention, customer health scoring and proactive risk detection, automated customer engagement through ai agents, customer renewal forecasting. Of those, customer success and churn prevention and customer health scoring and proactive risk detection are not what Supabase is typically brought in for.
What can ChurnZero do that Supabase cannot?
ChurnZero covers Real-time alerts, In-app messaging, Customer health scores, Journey automation. Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions.

Answered from the vendors’ own pages

ChurnZero: How much does ChurnZero cost?

ChurnZero does not publish pricing online. You must book a demo through their website to discuss rates and plans with the sales team.

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
ChurnZero: What is ChurnZero's pricing model?

ChurnZero's pricing model is not publicly disclosed on their website, suggesting custom pricing based on organization size, feature requirements, or usage.

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
ChurnZero: Does ChurnZero offer a free trial?

Trial terms are not specified on the public website. You must book a demo to inquire about trial availability and evaluate the platform.

Source
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