Kosmonia vs Forest: which focus timer fits your problem
Forest fixes the phone. Kosmonia runs the work session. They solve different halves of the same afternoon.
Updated 2026-09-13 · 5 min read
The short version
- Forest: phone-first. A tree grows while you stay off your device and withers if you leave. Enormous user base, charming, single-purpose. Free with purchases.
- Kosmonia: desktop-first. Pomodoro engine, mixable ambient sound, camera-free focus rooms, session history, and an optional game layer you can switch off entirely.
Where Forest wins
- Phone distraction. The dying-tree mechanic is the best answer anyone has built for reaching for your phone. Kosmonia has nothing equivalent.
- Simplicity. One screen, one metaphor, nothing to learn.
- Real trees. Forest's tree-planting partnership is a genuine motivator and we are not going to pretend otherwise.
Where Kosmonia wins
- Sound. Rain, cafe, forest, brown noise, lo-fi, layered and saved as mixes. Forest has a small handful of loops.
- Working with other people. Shared rooms with one countdown and a live presence count, no camera. Forest has no co-working at all.
- Desktop as the main surface. Kosmonia is built for the screen your work is on, not the one you are trying to avoid.
- Progression that lasts. Skill trees and streaks with freezes, rather than a forest that eventually stops feeling new. Adventure mode is opt-in; Zen mode is the default.
- Streaming overlay. Creators can put a live focus session on stream. Nothing in this category does that.
Honest verdict
If your problem is that you pick up your phone every nine minutes, install Forest. If your problem is protecting a two-hour block on a laptop, with sound and other people around you, that is what Kosmonia is for. Using both is a perfectly reasonable setup.
Try before you decide
The free timer runs in the browser with no signup, so you can compare a real session rather than a feature table.
Frequently asked questions
- Is Kosmonia a Forest alternative?
- Yes, for desktop deep work. Forest is a phone-first timer built around not touching your phone. Kosmonia is a focus app for the machine you actually work on, with sound, shared rooms and optional progression.
- Does Kosmonia block my phone?
- No. Phone blocking is Forest's core strength and Kosmonia does not try to replace it. If your main problem is picking up your phone, Forest solves that better.
- What does Kosmonia have that Forest does not?
- A mixable ambient sound library, camera-free shared focus rooms, session analytics, an optional RPG progression layer, and an OBS overlay for streamers.
- Which is cheaper?
- Both have free tiers. Forest sells a one-off unlock and Plus for a few dollars a month; Kosmonia is free for solo focus with paid tiers for sound mixing, cloud sync and rooms.
- Can I use both?
- Plenty of people do. Forest keeps the phone down, Kosmonia runs the session on the desktop.