For years, Forest has been the default recommendation for people who want a visual reward tied to staying focused. Plant a virtual tree, stay off distracting apps, watch it grow. The concept works. But the Chrome extension is a companion to the mobile app — the fuller experience lives on your phone, and cross-device sync requires the paid plan.

If you spend most of your focused work time in a browser and want something that runs natively there, or you simply want a different approach to keeping yourself on task, the alternatives below are all worth considering.

What to Look For in a Forest Alternative

Before comparing options, it helps to be clear about what you actually need from a focus timer. The main dimensions:

Alternative 1: Marinara Timer

Marinara Timer is a browser-tab Pomodoro timer — no extension needed. Open the URL, set your intervals, and a large countdown fills the screen. It's open source, free, and shareable.

Strengths: Free, open source, no account, shareable timer links for team Pomodoros. Weaknesses: No gamification, no session tracking, nothing to make you open it again tomorrow. Best for: People who find gamification distracting and want only a countdown.

Alternative 2: Strict Workflow

Strict Workflow combines a Pomodoro timer with automatic site blocking. During work sessions, a configurable blocklist becomes inaccessible. When the break starts, blocked sites are restored.

Strengths: Hard blocks remove temptation, free Chrome extension, configurable blocklist. Weaknesses: Blunt with no flexibility during sessions; problem if your work legitimately needs social sites. Best for: People who know they'll break focus if given the chance and want the extension to enforce the rule.

Alternative 3: Momentum

Momentum replaces every new tab with a calm landscape, the time, and a daily focus prompt. It's less about session-level timing and more about daily intention-setting. A paid plan adds to-do lists and integrations.

Strengths: Beautiful, low-distraction new-tab experience; daily focus goal visible every time you open a tab. Weaknesses: Not a Pomodoro timer, no session tracking, most useful features are paid. Best for: People who want ambient focus cues rather than timed sessions.

Alternative 4: SlimeForge — Gamified Pomodoro With a Virtual Pet

SlimeForge is a Pomodoro timer Chrome extension built around a virtual slime pet. After your first completed session, a slime hatches inside the extension. Each session earns Brasas 🔥 that help it grow. There are 16 species to discover, missions, crafting, and mini-games for breaks — all running locally, nothing uploaded to any server.

Strengths: Free to start, 5-day PRO trial, timer (15/25/45/60 min) + pet + streaks + missions, ethical gacha (real money never buys random outcomes), Gemini Nano on-device chat in 6 languages, no account required. Weaknesses: More to explore than a minimal timer, doesn't block distracting sites. Best for: People who've tried plain timers and stopped using them. Students, developers, and writers who do long screen-based work.

Which One Should You Pick?

Forest remains a solid choice if mobile is your primary focus environment and you want the real-tree-planting feature. For a browser-first workflow without cross-device sync, the alternatives above are worth trying first.