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Software · head to head

Forest vs Outlook Calendar

Forest logo

Forest

Software

Stay focused, be present

From
Free
Rated
-
Full reviewWebsite
Outlook Calendar logo

Outlook Calendar

Software

Professional calendar management for Microsoft 365

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Forest no standalone desktop app; limited to browser extensions; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
  • They diverge on capability: Forest covers Focus timer, Outlook Calendar covers Meeting scheduling.

Where they differ

Only the attributes on which Forest and Outlook Calendar actually diverge.

Attributes where Forest and Outlook Calendar differ
AttributeForestOutlook Calendar
PlatformsiOS, Android, Chrome, FirefoxWeb, Windows, macOS, iOS, Android
Founded20141975

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 Outlook Calendar

  • Meeting scheduling
  • Shared calendars
  • Room booking
  • Availability sharing
  • Recurring events
  • Microsoft Teams
  • OneDrive
  • SharePoint

Both cover

  • Ios support
  • Android support

What people use each for

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

Forest

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

Outlook Calendar

  • Schedulingnot Forest
  • Appointment bookingnot Forest
  • Time trackingnot Forest
  • Resource managementnot Forest
  • Team coordinationnot 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

Outlook Calendar

  • Offline support limited to only past 30 days of events, older events unavailable
  • Shared calendars and group calendars not available offline
  • Cached Exchange Mode issues can limit available offline data
  • Occasional sync conflicts when coming back online

Pricing, plan by plan

Forest

Free

No published plan breakdown. See the Forest review.

Outlook Calendar

Free
  • FreeFree
    • Outlook.com email and calendar
    • 50MB attachment limit
    • 1GB cloud storage
  • Microsoft 365 Basic$19.99/year
    • Outlook with limited features
    • Cloud storage
  • Microsoft 365 Personal$99.99/year
    • Premium Outlook
    • Ad-free email
    • 100GB mailbox storage
  • Microsoft 365 Business Basic$6/month
    • Business-class email
    • 1TB cloud storage
    • Microsoft Teams

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 Outlook Calendar if

  • You need meeting scheduling.
  • You want to start without paying.
  • You work on Web, Windows, macOS, iOS, Android.
  • You also want shared calendars.
Outlook Calendar review

Questions people ask

Is Forest or Outlook Calendar better?
Neither clearly leads. Forest starts at Free and Outlook Calendar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Forest or Outlook Calendar?
Forest starts at Free and Outlook Calendar at Free.
Does Forest or Outlook Calendar run on more platforms?
Forest runs on iOS, Android, Chrome, Firefox. Outlook Calendar runs on Web, Windows, macOS, iOS, Android.
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 Outlook Calendar is typically brought in for.
What can Forest do that Outlook Calendar cannot?
Forest covers Focus timer, Virtual forest building, Real tree planting partnership, Website/app blocking. Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Both handle Ios support, Android support.

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
Outlook Calendar: Is Outlook Calendar free?

Outlook.com with calendar is free via a Microsoft account. Outlook Calendar also comes with Microsoft 365 Personal ($99.99/year), Family ($129.99/year), or Business plans starting at $6/user/month.

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
Outlook Calendar: Does Outlook Calendar work offline?

Outlook Calendar has limited offline support. New Outlook caches only the past 30 days of calendar items. Shared calendars and group calendars are not supported offline. Changes sync when you reconnect.

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
Outlook Calendar: What platforms does Outlook Calendar support?

Outlook Calendar is available on Windows (desktop and web), macOS (desktop and web), iOS, and Android. Real-time synchronization works across all devices.

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
Outlook Calendar: Does Outlook Calendar integrate with Slack?

Yes. Outlook Calendar integrates with Slack to sync your status and receive meeting notifications. You can RSVP to invites directly in Slack and join Microsoft Teams meetings from Slack reminders.

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
Outlook Calendar: Can you share calendars and set delegate permissions?

Yes. Outlook Calendar supports calendar sharing with delegate permissions, color categories for organization, and the Scheduling Assistant to view attendee availability for meeting times.

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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