Software Alternatives & Startups

Modular JavaScript VS Screenwise App

Compare Modular JavaScript VS Screenwise App and see what are their differences

Modular JavaScript

Let's write robust, well-tested, modular JavaScript code.

Rating
0 reviews
Pricing
Open source
Screenwise App

Block games, keep calls open, and turn times tables practice into earned screen time with Screenwise for Android. Kids earn their own screen time by learning math and other STEM subjects. Turn screen time battles into effortless learning

Rating
0 reviews
Pricing
Free Free trial
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Which is more popular?

Developer Tools popularity
100% vs 0%
alternatives listed
2 vs 11

Base details

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

Modular JavaScript
Screenwise App
Website mjavascript.com screenwise.app
Pricing
Open source
Free Free trial
Company — Startup from the United Kingdom · 2025
Listed in

About Modular JavaScript and Screenwise App

In their own words, as submitted to SaaSHub.

Modular JavaScript
Screenwise App

No description of Modular JavaScript yet.

Screenwise is a screen time management app for Android that helps children develop stronger multiplication skills while keeping device use under control. Instead of only limiting apps with timers or blocks, Screenwise introduces a simple system where children unlock screen time by answering short...

Read more about Screenwise App

Features and specs

What each product offers, as listed by its team.

Modular JavaScript 5 features
Screenwise App 7 features
  • Improved Code Organization
    Modular JavaScript allows developers to break down code into smaller, manageable modules. This enhances code readability and maintainability by organizing related functionality together.
  • Code Reusability
    Modules encourage reusability by allowing the same piece of code to be used across different projects or multiple areas of the same application, reducing redundancy.
  • Scalability
    As the application grows, managing code becomes easier with modular JavaScript. Each module can be developed, tested, and maintained independently, making the codebase more scalable.
  • Encapsulation
    Modules provide encapsulation, preventing variables and functions from polluting the global namespace. This reduces the risk of naming conflicts and bugs.
  • Improved Testing
    With code organized into discrete modules, writing unit tests becomes more straightforward. Each module can be tested individually, leading to more reliable and maintainable tests.

Possible disadvantages

  • Increased Complexity
    Introducing modularity can add complexity to the build process, as it often requires module loaders or bundlers (like Webpack or Browserify) to manage dependencies.
  • Overhead
    For smaller projects, using a modular approach might be overkill, introducing unnecessary overhead in terms of setup, configuration, and code management.
  • Learning Curve
    Developers unfamiliar with modular JavaScript may face a learning curve, especially when dealing with module patterns, loaders, and bundlers.
  • Dependency Management
    Relying on multiple modules can lead to complex dependency chains, making it challenging to track and resolve dependencies across different modules.
  • Performance Overhead
    Modular JavaScript can introduce performance overhead if not managed properly, such as loading many small modules individually, leading to increased HTTP requests.
  • Earn Screen Time Instead of Arguing
    Children earn screen time by answering multiplication questions, turning screen time limits into a clear reward system and reducing daily arguments about devices.
  • Improve Times Tables Automatically
    Short quizzes help children build fast recall of multiplication facts, making homework and maths lessons less stressful.
  • Control Games and Entertainment Apps
    Parents can limit games and other distracting apps while keeping important apps like phone or messages available.
  • Stop Late-Night Phone Use
    Bedtime locks automatically block entertainment apps at night so children sleep instead of staying on devices.
  • Prepare for the UK MTC
    Regular practice helps Year 4 pupils improve speed and confidence for the Multiplication Tables Check.
  • PIN-Protected Parent Controls
    Settings are protected with a parent PIN so children cannot change rules or disable limits.
  • Always-Allowed Apps
    Important apps such as phone or messages can remain accessible even when screen time is locked.

Analysis

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

Modular JavaScript
Screenwise App

Overall verdict

  • Modular JavaScript (mjavascript.com) is a solid resource for developers looking to learn best practices around modular design patterns in JavaScript, though its value depends on your current skill level and how current the content remains given the fast pace of JS ecosystem changes.

Why this product is good

  • Focuses specifically on modularity, a critical but often overlooked aspect of scalable JavaScript development
  • Covers practical patterns for organizing code, managing dependencies, and structuring larger applications
  • Can help bridge the gap between basic JavaScript knowledge and professional-grade architecture skills
  • Often includes real-world examples rather than purely theoretical concepts
  • Useful for understanding module systems like CommonJS, ES Modules, and build tool configurations

Recommended for

  • Intermediate JavaScript developers wanting to level up their code organization skills
  • Developers transitioning from simple scripts to larger, maintainable applications
  • Teams looking to establish consistent modular coding standards
  • Self-taught programmers seeking structured guidance on architecture
  • Backend or frontend developers working with Node.js or modern JS frameworks who need better module management practices

Overall verdict

  • I don't have verified, up-to-date information about Screenwise App (screenwise.app) specifically, so I can't confirm its quality, features, or reliability with certainty. Based on the name, it appears to be related to screen time tracking or digital wellbeing, but you should verify current details directly from the official website, app store reviews, and independent tech reviews before deciding.

Why this product is good

  • Unable to confirm specific features without access to current, verified data
  • App store ratings and user reviews would provide more reliable insight into real performance
  • Checking the official site for pricing, privacy policy, and supported platforms is recommended
  • Third-party review sites (e.g., Trustpilot, G2, Capterra) may offer additional user feedback

Recommended for

  • Users who want to independently verify app credibility through app stores before downloading
  • Individuals interested in screen time or digital wellbeing tools who should compare against established alternatives like Apple Screen Time, Google Digital Wellbeing, or Freedom
  • Anyone considering the app should review its privacy policy and permissions carefully given the sensitive nature of screen activity data

Videos

Walkthroughs and reviews on video.

Modular JavaScript 0 videos + Add
Screenwise App 2 videos + Add

No Modular JavaScript videos yet. You could help us improve this page by suggesting one.

Screenwise parental and screen time management app with an educational twist

More videos

  • - Tech Tuesday: Screenwise App helps parents get their kids off devices

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
Modular JavaScript
Screenwise App
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Modular JavaScript and Screenwise App.

What makes your product unique?

Screenwise App's answer:

Screenwise turns screen time into something children earn through learning. Instead of only blocking apps, it helps parents reduce screen time arguments while giving children regular practice in times tables, MTC, and 11+ maths.

Why should a person choose your product over its competitors?

Screenwise App's answer:

Most parental control apps only restrict access. Screenwise adds a clear learning incentive, so children work towards screen time by practicing maths. That makes it useful for parents who want less conflict, better habits, and real educational value from the same app.

How would you describe the primary audience of your product?

Screenwise App's answer:

Screenwise is mainly for parents of primary school children in the UK who want to manage screen time while helping their children improve multiplication, prepare for the MTC, and build stronger maths habits.

What's the story behind your product?

Screenwise App's answer:

Screenwise was created to solve two common parent frustrations at once: too much screen time and the daily struggle to get children to practice maths. The idea was simple: connect screen time to learning, so children stay motivated and parents spend less time negotiating.

Which are the primary technologies used for building your product?

Screenwise App's answer:

Use this only if accurate: Screenwise is built as an Android app with modern mobile technology, focused on reliable parental controls, app usage management, and a simple learning experience for families.

Who are some of the biggest customers of your product?

Screenwise App's answer:

Screenwise is primarily used by families who want to manage screen time while encouraging children to practice maths. It can also be adapted for educational settings where teachers want to motivate students with short multiplication practice.

Families with primary school children

Parents supporting times tables learning at home

Families preparing for the UK Multiplication Tables Check (MTC)

Students preparing for 11+ maths exams

Teachers and classrooms using multiplication practice activities

User comments

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Alternatives to Modular JavaScript and Screenwise App

When comparing Modular JavaScript and Screenwise App, you can also consider the following products.