Softwr

Software · head to head

Forest vs Slack

Forest logo

Forest

Software

Stay focused, be present

From
Free
Rated
-
Full reviewWebsite
Slack logo

Slack

Software

Where work happens

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Forest no standalone desktop app; limited to browser extensions; Slack 90-day message history limit on free plan results in important conversations disappearing
  • They diverge on capability: Forest covers Focus timer, Slack covers Channels.

Where they differ

Only the attributes on which Forest and Slack actually diverge.

Attributes where Forest and Slack differ
AttributeForestSlack
PlatformsiOS, Android, Chrome, FirefoxWeb, iOS, Android, macOS, Windows, Linux
Founded20142009

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), 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 Forest

  • Focus timer
  • Virtual forest building
  • Real tree planting partnership
  • Website/app blocking
  • Statistics tracking
  • Achievements & rewards
  • Social features
  • Custom tree species

Only in Slack

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

What people use each for

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

Forest

  • Study sessionsnot Slack
  • Work focus timenot Slack
  • Digital detoxnot Slack
  • Pomodoro techniquenot Slack
  • Phone addiction managementnot Slack

Slack

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

Where each one falls short

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

Forest

  • No standalone desktop app; limited to browser extensions
  • Mobile app pricing varies by platform; iOS one-time purchase vs. Android different model
  • Forest Plus features required for advanced analytics and custom tag tracking

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

Forest

Free

No published plan breakdown. See the Forest review.

Slack

Free

No published plan breakdown. See the Slack review.

Which should you pick?

Choose Forest if

  • You need focus timer.
  • You want to start without paying.
  • You work on iOS, Android, Chrome, Firefox.
  • You also want virtual forest building.
Forest 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 Forest or Slack better?
Neither clearly leads. Forest starts at Free and Slack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Forest or Slack?
Forest starts at Free and Slack at Free.
Does Forest or Slack run on more platforms?
Forest runs on iOS, Android, Chrome, Firefox. Slack runs on Web, iOS, Android, macOS, Windows, Linux.
Can I use Forest for free?
Both have a free tier, so you can try either at no cost before committing.
What is Forest best used for?
Forest is most often used for study sessions, work focus time, digital detox, pomodoro technique. Of those, study sessions and work focus time are not what Slack is typically brought in for.
What can Forest do that Slack cannot?
Forest covers Focus timer, Virtual forest building, Real tree planting partnership, Website/app blocking. Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing.

Answered from the vendors’ own pages

Forest: How much does Forest cost?

Forest has a free version with core features (timer, app blocking, group focus). Forest Plus subscription costs $3.33/month when billed annually at $39.99, with pricing varying by region and platform.

Source
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
Forest: What platforms does Forest support?

Forest is available on iOS (one-time purchase $3.99), Android (free with ads, or $1.99 one-time for ad-free), and as a browser extension for Chrome and Firefox.

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
Forest: What is Forest's tree planting program?

Forest has partnered with Trees for the Future to plant real trees. Users can spend earned focus coins to fund tree planting in Kenya, Senegal, Tanzania, Uganda, and Cameroon. Over 2.1 million real trees have been planted.

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
Forest: Does Forest work offline?

Yes. Forest's core focus experience including the timer, tree growth, and stats works completely offline. This allows use on airplanes, subways, and areas without internet connectivity.

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
Forest: Is there a Forest desktop app?

No. Forest does not have an official standalone desktop application. Desktop access is available through browser extensions for Chrome and Firefox only. Some users run the mobile app via emulators like BlueStacks.

Source
Forest: What features are in Forest Plus?

Forest Plus includes all Mindful Space soundscapes, custom app allowlists, advanced analytics with custom tags, exclusive tree species, 3x coin boost, and the ability to plant up to 5 real trees annually.

Source
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