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Software · head to head

PlanetScale vs Slack

PlanetScale logo

PlanetScale

Software

The MySQL-compatible serverless database

From
$15/month
Rated
-
Full reviewWebsite
Slack logo

Slack

Software

Where work happens

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Slack 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; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: PlanetScale covers Database Branching, Slack covers Channels.

Where they differ

Only the attributes on which PlanetScale and Slack actually diverge.

Attributes where PlanetScale and Slack differ
AttributePlanetScaleSlack
Starting price$15/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsCloud-hosted (AWS, GCP, Azure)Web, iOS, Android, macOS, Windows, Linux
Founded20182009

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 Slack

  • Channels
  • Direct messaging
  • Voice & video calls
  • Screen sharing
  • File sharing
  • Search
  • Workflow builder
  • Slack Connect

Both cover

  • SOC2

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 Slack
  • Vitess-based sharding for horizontal scaling across large datasetsnot Slack
  • Cloud provider flexibility across AWS, GCP, Azure with 60+ regionsnot Slack
  • Cost-effective database clusters using ARM64 architecture optionsnot Slack

Slack

  • Team communicationnot PlanetScale
  • Project coordinationnot PlanetScale
  • Customer supportnot PlanetScale
  • Remote worknot PlanetScale
  • Cross-functional collaborationnot 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

Slack

  • 90-day message history limit on free plan results in important conversations disappearing
  • Per-user pricing becomes expensive quickly for larger teams
  • Notification overload with 78% of employees feeling overwhelmed by notifications
  • Mobile app performance issues including lag and slow syncing
  • Huddles limited to 50 people and cannot be recorded
  • Requires dedicated video conferencing service for formal meetings and webinars

Pricing, plan by plan

PlanetScale

$15/month

No published plan breakdown. See the PlanetScale review.

Slack

Free

No published plan breakdown. See the Slack 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 Slack if

  • You need channels.
  • You want to start without paying.
  • You work on Web, iOS, Android, macOS, Windows, Linux.
  • You also want direct messaging.
Slack review

Questions people ask

Is PlanetScale or Slack better?
Neither clearly leads. PlanetScale starts at $15/month and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PlanetScale or Slack?
Slack has a free tier; the other does not. Paid plans start at $15/month for PlanetScale and Free for Slack.
Does PlanetScale or Slack run on more platforms?
PlanetScale runs on Cloud-hosted (AWS, GCP, Azure). Slack runs on Web, iOS, Android, macOS, Windows, Linux.
Can I use Slack for free?
Yes. Slack 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 Slack is typically brought in for.
What can PlanetScale do that Slack cannot?
PlanetScale covers Database Branching, Non-blocking Schema Changes, Insights, Horizontal Scaling. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Both handle SOC2.

Answered from the vendors’ own pages

Slack: Does Slack have a free plan?

Yes, Slack offers a free plan indefinitely with no credit card required. Free users get 90-day message history, up to 10 app integrations, and 1:1 huddles.

Source
Slack: What are Slack's pricing plans?

Slack offers Free, Pro ($7.25/user/month with annual billing), Business+ ($12.50/user/month), and Enterprise Grid (custom pricing). Monthly billing costs approximately 20% more than annual.

Source
Slack: Does Slack support offline use?

Slack is a cloud-based platform and does not support robust offline work. Internet connectivity is required to access messages and collaborate.

Source
Slack: What integrations does Slack support?

Slack integrates with 43+ apps on average per team, including Google Drive, ChatGPT, Vercel, Asana, GitHub, and many others through their app marketplace.

Source
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Related pages

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