| How it works | You start a timer and a tree grows while you stay off your phone. In their words: “During each focus session, a tree grows while you stay focused. Open another app, and the tree dies.” Deep Focus adds app blocking with an allowlist. | Say what you're working on and pick a length. A small companion sits in the corner of your Mac while the block runs. Drift to a distracting site and he checks in first — one tap takes you back to the sentence you left. Keep going and the page goes behind him until the block ends. |
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| Where it runs | Their site lists iPhone, iPad, Android, and a browser extension for Chrome and Firefox. No native Mac or Windows app. | macOS 14 or later, a Chrome companion, and iPhone. There is no Windows build and no Android build. |
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| What it costs | Free with no expiry and no card, plus an optional Forest Plus subscription. Their own site quotes no figure — it says pricing “varies by region and platform” and sends you to the stores. The US App Store listing shows in-app purchases at $5.99 monthly and $32.49–$35.99 annually. The old one-time Pro is “no longer available for purchase on any platform”. | $79 once, and that is the end of it. There is a $7.99 a month plan if you would rather rent it. 30-day refund, no questions. |
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| When you slip | The tree dies. Their site is direct about it: to open another app during Deep Focus you tap Give Up, “which kills your tree”. | Nothing dies. There is no streak to break, no score to keep and no chart of your worst week. Everything you have grown stays grown, and coming back after four days away costs you nothing at all. |
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| Who's with you | A tree, a forest, and other people if you use group sessions. No character — what keeps you honest is a record you would rather not spoil. | A character with eyes, actually present while you work. He notices, he asks before he blocks, and he says nothing at all while you're on track. |
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| Rent or own | Subscription for Plus. People who bought the old one-time Pro keep it; it is no longer sold. | One payment. Nothing renews, nothing lapses, and there is nothing to cancel. |
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