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PlanetScale vs SEMrush

PlanetScale logo

PlanetScale

Software

The MySQL-compatible serverless database

From
$15/month
Rated
-
Full reviewWebsite
SEMrush logo

SEMrush

Software

Do SEO, content marketing, competitor research, PPC and social media marketing from just one platfor

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only SEMrush has a free tier, so it costs nothing to try first.
  • Each has a real cost: PlanetScale eBS High Availability requires 3-node configuration with replication overhead; SEMrush free tier limited to 10 reports per day across all tools
  • They diverge on capability: PlanetScale covers Database Branching, SEMrush covers Keyword research.

Where they differ

Only the attributes on which PlanetScale and SEMrush actually diverge.

Attributes where PlanetScale and SEMrush differ
AttributePlanetScaleSEMrush
Starting price$15/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsCloud-hosted (AWS, GCP, Azure)Web, Mobile app
Founded20182008

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

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 PlanetScale

  • Database Branching
  • Non-blocking Schema Changes
  • Insights
  • Horizontal Scaling
  • Connection Pooling
  • Query Caching
  • Automatic Backups
  • Global Replication

Only in SEMrush

  • Keyword research
  • Site audit
  • Competitor analysis
  • Backlink analytics
  • Rank tracking
  • Content marketing
  • PPC research
  • Social media tools

Both cover

  • SOC2
  • Cloud deployment

What people use each for

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

PlanetScale

  • MySQL database hosting with automatic failover and replicationnot SEMrush
  • Vitess-based sharding for horizontal scaling across large datasetsnot SEMrush
  • Cloud provider flexibility across AWS, GCP, Azure with 60+ regionsnot SEMrush
  • Cost-effective database clusters using ARM64 architecture optionsnot SEMrush

SEMrush

  • SEO keyword research and competitor analysisnot PlanetScale
  • Website performance tracking and auditingnot PlanetScale
  • Content marketing optimizationnot PlanetScale
  • PPC advertising researchnot PlanetScale

Where each one falls short

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

PlanetScale

  • EBS High Availability requires 3-node configuration with replication overhead
  • EBS Non-HA single-node option lacks redundancy and automatic failover
  • Pricing varies by cloud provider and region, requiring queries for specific rates
  • ARM64 architecture only available on EBS tier, not Metal deployments

SEMrush

  • Free tier limited to 10 reports per day across all tools
  • Keyword tracking capped at 500 per month on entry tiers (SEO and Starter plans)
  • Additional users cost £45/month per user above base subscription
  • Most advanced features require Advanced plan (£455.67/month), making entry cost significant for small teams

Pricing, plan by plan

PlanetScale

$15/month

No published plan breakdown. See the PlanetScale review.

SEMrush

Free

No published plan breakdown. See the SEMrush review.

Which should you pick?

Choose PlanetScale if

  • You need database branching.
  • You work on Cloud-hosted (AWS, GCP, Azure).
  • You also want non-blocking schema changes.
PlanetScale review

Choose SEMrush if

  • You need keyword research.
  • You want to start without paying.
  • You work on Web, Mobile app.
  • You also want site audit.
SEMrush review

Questions people ask

Is PlanetScale or SEMrush better?
Neither clearly leads. PlanetScale starts at $15/month and SEMrush at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PlanetScale or SEMrush?
SEMrush has a free tier; the other does not. Paid plans start at $15/month for PlanetScale and Free for SEMrush.
Does PlanetScale or SEMrush run on more platforms?
PlanetScale runs on Cloud-hosted (AWS, GCP, Azure). SEMrush runs on Web, Mobile app.
Can I use SEMrush for free?
Yes. SEMrush has a free tier, so you can try it without paying. PlanetScale starts at $15/month.
What is PlanetScale best used for?
PlanetScale is most often used for mysql database hosting with automatic failover and replication, vitess-based sharding for horizontal scaling across large datasets, cloud provider flexibility across aws, gcp, azure with 60+ regions, cost-effective database clusters using arm64 architecture options. Of those, mysql database hosting with automatic failover and replication and vitess-based sharding for horizontal scaling across large datasets are not what SEMrush is typically brought in for.
What can PlanetScale do that SEMrush cannot?
PlanetScale covers Database Branching, Non-blocking Schema Changes, Insights, Horizontal Scaling. SEMrush covers Keyword research, Site audit, Competitor analysis, Backlink analytics. Both handle SOC2, Cloud deployment.
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