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Home/Compare/PlanetScale vs Customer.io

PlanetScale vs Customer.io

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data last refreshed May 14, 2026.

PlanetScale

MySQL at scale.

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Category
database
Plans tracked
4
Entry price
$5/mo
Free plan?
No
See full PlanetScale pricing & changelog →

Customer.io

Messaging automation for lifecycle and product email.

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Category
email
Plans tracked
—
Entry price
—
Free plan?
—
See full Customer.io pricing & changelog →

Plan-by-plan pricing

PlanetScale

Base Plan (Single node)

PlanetScale

$5/mo
  • Development and low-traffic production workloads
  • Starting at $5/month
  • Single node (non-HA) architecture

Base Plan (High Availability)

PlanetScale

$15/mo
  • Primary + multi-replica (HA)
  • 1 primary + 2 replicas across 3 availability zones
  • 99.99% SLA
  • Includes 3 nodes
  • 10 GB storage included

Base Plan (Metal)

PlanetScale

$50/mo
  • High-performance local NVMe storage
  • Ultra-fast NVMe drives and unlimited IOPS
  • Starting at $50/month
  • High-availability Metal clusters

Enterprise

PlanetScale

Custom
  • Database expertise and migration assistance
  • Slack-based support and private channel
  • Multi-tenant, single-tenant, or BYO cloud
  • Business support included
  • Architecture consultation
  • + 1 more

Customer.io

Pricing data is being collected.

PlanetScale vs Customer.io FAQ

PlanetScale vs Customer.io: which is cheaper?
PlanetScale starts at $5/mo, while Customer.io starts at an unpublished tier. TrackRival snapshots both daily as plan pages change.
Does PlanetScale or Customer.io have a free plan?
Neither PlanetScale nor Customer.io shows a free plan in the latest snapshot.
Is PlanetScale a good database alternative to Customer.io?
PlanetScale is tracked in database, while Customer.io overlaps for similar buyers. Use the changelog section below to compare shipping cadence before you choose.
How often is this PlanetScale vs Customer.io comparison updated?
TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Which should you pick?

Both PlanetScale and Customer.io serve overlapping audiences (PlanetScale in database, Customer.io in email).

  • Choose PlanetScale if you value: mysql at scale.
  • Choose Customer.io if you value: messaging automation for lifecycle and product email.
  • Subscribe to TrackRival if you want to be notified whenever either of them changes pricing or ships a major update — so you can react before your competitors do.

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