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Focusmo VS useEffect.dev

Compare Focusmo VS useEffect.dev and see what are their differences

Focusmo

Focus app for Mac that asks "what are you doing?" — like an accountability partner. Designed for ADHD and time blindness.

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Pricing
Freemium Free trial $2.46 / Monthly (Unlimited devices, Includes updates while active)
Alternatives Is it good?
useEffect.dev

Interactive course to learn and master React Hooks

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0 reviews
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Castmint
Type one line. Get a finished short. sponsored
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Base details

Website, pricing, platforms and company facts side by side.

Focusmo
useEffect.dev
Website focusmo.app useeffect.dev
Pricing
Freemium Free trial $2.46 / Monthly (Unlimited devices, Includes updates while active) Official pricing
Official pricing
Company Startup from Spain · 1 - 9 employees · 2025 —
Listed in
Time Tracking Focus Productivity Time Management Task Management Tool +3
JavaScript Online Courses React

About Focusmo and useEffect.dev

In their own words, as submitted to SaaSHub.

Focusmo
useEffect.dev

Focusmo is a focus app for Mac that works like an accountability partner. Instead of another to-do list, it asks you "What are you working on?" every hour — keeping you honest about your time. Your current task stays visible in a floating bar so you never forget what you're doing. Automatic...

Read more about Focusmo

No description of useEffect.dev yet.

Features and specs

What each product offers, as listed by its team.

Focusmo 5 features
useEffect.dev 5 features
  • Accountability-Based Focus
    Focusmo uses a unique accountability mechanism where users commit to focus sessions and face social or financial consequences for failing to complete them, which can be a powerful motivator to stay on task.
  • Distraction Blocking
    The app helps block distracting websites and applications during focus sessions, making it easier to stay productive and avoid common time-wasting activities.
  • Structured Focus Sessions
    Focusmo encourages users to set dedicated focus periods with clear start and end times, helping build consistent work habits and time management skills.
  • Gamification and Motivation
    The app incorporates gamification elements and stakes-based motivation, making the process of staying focused more engaging compared to simple timer-based productivity tools.
  • Simple and Purpose-Driven Design
    Focusmo has a clean, straightforward interface focused on its core mission of helping users concentrate, without overwhelming them with unnecessary features or complex settings.
  • React-focused learning resource
    useEffect.dev is a specialized resource dedicated to helping developers understand and master React's useEffect hook, one of the most commonly used but often misunderstood hooks in the React ecosystem.
  • Practical examples
    The site provides practical, real-world examples of useEffect usage patterns, making it easier for developers to learn how to properly implement side effects in their React components.
  • Niche expertise
    By focusing specifically on useEffect, the resource can go deep into edge cases, best practices, and common pitfalls that more general React tutorials might gloss over.
  • Accessible for beginners
    The site is designed to be approachable for developers who are new to React hooks, providing clear explanations that help bridge the gap between class component lifecycle methods and the hooks paradigm.
  • Free online resource
    As a web-based resource, it is freely accessible to anyone with an internet connection, lowering the barrier to learning about React's useEffect hook.

Possible disadvantages

  • Narrow scope
    The site is extremely focused on a single React hook, which limits its usefulness as a comprehensive learning resource for React development as a whole.
  • Limited community and recognition
    useEffect.dev is not a widely known or heavily trafficked resource compared to the official React documentation or popular platforms like freeCodeCamp or Egghead, which may mean less community support and fewer peer-reviewed contributions.
  • Potential for outdated content
    As React evolves rapidly (e.g., the shift toward React Server Components and away from useEffect in some patterns), the content may become outdated if not regularly maintained and updated.
  • May not cover advanced patterns sufficiently
    While useful for understanding useEffect basics, the resource may not fully cover more advanced state management patterns or alternatives like useQuery, useSWR, or other libraries that abstract away direct useEffect usage.
  • Lack of interactive features
    Compared to platforms with interactive coding environments, sandboxes, or exercises, the site may offer a more passive learning experience that doesn't fully engage developers in hands-on practice.

Analysis

An editorial look at what each product does well and who it suits.

Focusmo
useEffect.dev

Overall verdict

  • Focusmo appears to be a productivity and focus-enhancing app, but I don't have verified, up-to-date information about this specific product to confirm its quality, features, or user satisfaction with certainty.

Why this product is good

  • I lack reliable, current data on Focusmo's actual features, pricing, or user reviews
  • I cannot verify claims about its effectiveness without access to real-time app store ratings or user feedback
  • Making definitive quality claims without verified information could be misleading

Recommended for

  • Users should check official app stores (App Store, Google Play) for verified ratings and reviews
  • Consider trying free trials if available to test compatibility with your workflow
  • Look for independent reviews on tech sites or productivity forums before committing
  • Verify the app's current features and pricing directly on focusmo.app as this information may have changed

Overall verdict

  • useEffect.dev appears to be a niche educational resource focused on React's useEffect hook and related hooks concepts, useful for developers who want targeted explanations and examples rather than a full-scale course platform.

Why this product is good

  • Focuses specifically on a commonly confusing React concept, which can save time compared to searching broader documentation
  • Likely provides practical code examples that clarify real-world usage patterns
  • Can serve as a quick reference for debugging common useEffect pitfalls like dependency arrays and cleanup functions
  • Being narrowly scoped, it may be easier to digest than lengthy general React courses

Recommended for

  • Junior to mid-level React developers seeking clarity on useEffect specifically
  • Developers debugging issues related to effect dependencies or infinite render loops
  • Self-taught programmers who prefer concise, topic-specific resources over full courses
  • Teams looking for a quick reference link to share with newer developers on the team

Videos

Walkthroughs and reviews on video.

Focusmo 1 video + Add
useEffect.dev 0 videos + Add

Focusmo - The ultimate focus tool for Mac

No useEffect.dev videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Focusmo
useEffect.dev
100% 100%
Productivity
0% 0%
0% 0%
JavaScript
100% 100%
100% 100%
Focus
0% 0%
0% 0%
Online Courses
100% 100%

Questions & Answers

As answered by people managing Focusmo and useEffect.dev.

Why should a person choose your product over its competitors?

Focusmo's answer

No management overhead — Unlike Toggl or traditional time trackers, Focusmo doesn't require you to start/stop timers or categorize tasks manually. It just asks one simple question periodically.

Built for ADHD brains — Most productivity apps assume you can stay organized. Focusmo is designed for people who struggle with time blindness and context switching. The always-visible task bar and hourly check-ins were specifically built for this.

Truly passive tracking — Competitors require manual logging. Focusmo automatically tracks which apps and websites you use, showing you where your time actually went.

Simpler is better — No complex dashboards, no project hierarchies, no team features you don't need. Just you, your current task, and honest feedback about your time.

Which are the primary technologies used for building your product?

Focusmo's answer

  • Swift and SwiftUI — 100% native macOS application
  • Core Data — local storage for privacy-first approach
  • macOS native APIs — for app/website tracking and system integration
  • No external AI/ML dependencies for core functionality

How would you describe the primary audience of your product?

Focusmo's answer

People with ADHD — The app's core features (hourly check-ins, visible task bar, time visualization) were designed specifically for ADHD symptoms like time blindness and difficulty staying on task.

Knowledge workers who "lose days" — Developers, designers, writers, and freelancers who sit down to work and suddenly it's 6pm and they can't remember what they accomplished.

Students — Especially those struggling with focus during study sessions or working on long-term projects.

Anyone who finds traditional productivity apps overwhelming — People who've tried Toggl, Notion, or Pomodoro apps but found them too demanding to maintain.

What makes your product unique?

Focusmo's answer

Focusmo takes a radically different approach to focus. Instead of another to-do list or Pomodoro timer that you have to manage, it works like an accountability partner:

  • Hourly check-ins — asks "What are you working on right now?" so you stay aware of how you're spending your time
  • Always-visible task bar — your current focus stays on screen so you never forget what you're supposed to be doing mid-task
  • Automatic tracking — see exactly which apps and websites consumed your time, no manual logging required
  • Time visualization — blue waves help visualize time passing, designed specifically for people with time blindness

Most productivity apps add complexity. Focusmo removes it.

What's the story behind your product?

Focusmo's answer

Focusmo was born from personal frustration. I tried every productivity app out there — Toggl, Forest, Pomodoro timers, blocking apps — but nothing stuck. They all required too much management or were too aggressive.

I wanted something that would simply ask me what I'm doing, keep it visible so I don't forget, and show me where my time went at the end of the day. No complex setup, no maintenance overhead.

Built it for myself first. Then realized others — especially people with ADHD — were looking for exactly the same thing. The response from the community has been incredible, with users saying it's the first focus app that actually matches how their brain works.

Who are some of the biggest customers of your product?

Focusmo's answer

Focusmo serves primarily individual users rather than enterprise customers. Our growing community includes:

  • Independent developers and freelancers
  • Students and researchers
  • Remote workers
  • Content creators and writers
  • Professionals managing ADHD

With 800+ daily active users and growing, we're focused on helping individuals improve their relationship with time and focus.

User comments

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