All industries · head to head
Slack vs Forest
The short version
- Each has a real cost: Slack 90-day message history limit on free plan results in important conversations disappearing; Forest no standalone desktop app; limited to browser extensions
- They diverge on capability: Slack covers Channels, Forest covers Focus timer.
Where they differ
Only the attributes on which Slack and Forest actually diverge.
Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated), category (All industries).
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 Slack
- Channels
- Direct messaging
- Voice & video calls
- Screen sharing
- File sharing
- Search
- Workflow builder
- Slack Connect
Only in Forest
- Focus timer
- Virtual forest building
- Real tree planting partnership
- Website/app blocking
- Statistics tracking
- Achievements & rewards
- Social features
- Custom tree species
What people use each for
The jobs each tool is most often brought in to do.
Slack
- Team communicationnot Forest
- Project coordinationnot Forest
- Customer supportnot Forest
- Remote worknot Forest
- Cross-functional collaborationnot Forest
Forest
- Study sessionsnot Slack
- Work focus timenot Slack
- Digital detoxnot Slack
- Pomodoro techniquenot Slack
- Phone addiction managementnot Slack
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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
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
Pricing, plan by plan
Slack
FreeNo published plan breakdown. See the Slack review.
Forest
FreeNo published plan breakdown. See the Forest review.
Which should you pick?
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.
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.
Questions people ask
- Is Slack or Forest better?
- Neither clearly leads. Slack starts at Free and Forest at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Slack or Forest?
- Slack starts at Free and Forest at Free.
- Does Slack or Forest run on more platforms?
- Slack runs on Web, iOS, Android, macOS, Windows, Linux. Forest runs on iOS, Android, Chrome, Firefox.
- Can I use Slack for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Slack best used for?
- Slack is most often used for team communication, project coordination, customer support, remote work. Of those, team communication and project coordination are not what Forest is typically brought in for.
- What can Slack do that Forest cannot?
- Slack covers Channels, Direct messaging, Voice & video calls, Screen sharing. Forest covers Focus timer, Virtual forest building, Real tree planting partnership, Website/app blocking.
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.
SourceForest: 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.
SourceSlack: 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.
SourceForest: 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.
SourceSlack: 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.
SourceForest: 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.
SourceSlack: 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.
SourceForest: 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.
SourceForest: 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.
SourceForest: 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