Software Alternatives & Startups
Register | Login

Clockify VS Understanding ES6

Compare Clockify VS Understanding ES6 and see what are their differences

Clockify

Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.

Rating
0 reviews
Pricing
Freemium $3.99 / Monthly ("Add time for others", "Time audit", "Customize export",)
Alternatives Is it good?
UES
Understanding ES6

Get started with the new Javascript

Rating
0 reviews
Alternatives Is it good?
Spacebase
Streamline digital lease management with Spacebase. We offer a simple, modern platform for efficient payment processing, tracking, and compliance. Empower your team to handle leases seamlessly, reduce administrative workload, and boost productivity. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Clockify seems to be more popular. It has been mentioned 57 times since March 2021.

social mentions
57 vs 0
Time Tracking popularity
100% vs 0%
alternatives listed
240+ vs 13

Base details

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

Clockify
UES
Understanding ES6
Website clockify.me leanpub.com
Pricing
Freemium $3.99 / Monthly ("Add time for others", "Time audit", "Customize export",) Official pricing
—
Platforms
Web Android Mac Browser Extansion iOS Linux +3
—
Company Startup from Serbia · 2017 —
Listed in
Time Tracking Invoicing Project Management Reporting & Dashboard Accounting & Finance Calendar And Scheduling +3
Developer Tools Productivity Education Tech +1

Features and specs

What each product offers, as listed by its team.

Clockify 9 features
UES
Understanding ES6 5 features
  • Time audit
  • Invoicing
  • Reporting
  • Add time for other
  • Scheduling
  • Forecasting
  • Expenses
  • Task rates
  • Budget & estimates
  • Free to read online
    The entire book is available to read for free on Leanpub's website, making it highly accessible to anyone who wants to learn ES6 without any financial commitment.
  • Comprehensive ES6 coverage
    The book provides thorough coverage of all major ES6 features including destructuring, promises, proxies, symbols, iterators, generators, classes, and modules, making it a solid one-stop reference for the specification.
  • Written by a respected authority
    Authored by Nicholas C. Zakas, a well-known and highly respected JavaScript developer and author of several influential JavaScript books, lending credibility and quality to the content.
  • Clear explanations with practical examples
    The book excels at breaking down complex ES6 concepts into understandable explanations accompanied by practical code examples that illustrate how and why each feature should be used.
  • Well-organized structure
    Each chapter focuses on a specific category of ES6 features, making it easy to use both as a sequential learning resource and as a reference guide to look up specific topics as needed.

Possible disadvantages

  • Dated content
    Published around 2016, the book does not cover any features introduced after ES6 (ES2015), such as async/await (ES2017), optional chaining, nullish coalescing, and other modern JavaScript additions, making it increasingly incomplete as a modern JS resource.
  • Assumes prior JavaScript knowledge
    The book is targeted at developers who already have a solid understanding of ES5 JavaScript, which means beginners to JavaScript may struggle to follow along without first learning the fundamentals elsewhere.
  • Limited real-world application examples
    While the book explains individual features well, it sometimes lacks larger, real-world project examples that show how multiple ES6 features work together in practical application development scenarios.
  • No coverage of tooling and ecosystem
    The book focuses purely on the language specification and does not discuss the tooling ecosystem around ES6, such as Babel transpilation, webpack bundling, or how to set up a modern development environment to use these features.
  • Text-heavy learning format
    As a traditional book format, it lacks interactive exercises, quizzes, or hands-on coding challenges that many modern learning platforms offer, which can make it harder for some learners to retain and apply the concepts.

Analysis

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

Clockify
UES
Understanding ES6

Overall verdict

  • Overall, Clockify is a versatile and effective time-tracking tool that offers excellent value, especially for those seeking comprehensive features without the hefty price tag.

Why this product is good

  • Clockify is considered a good tool for time tracking due to its comprehensive features that cater to individual users as well as teams. It is user-friendly, offers unlimited time tracking for free, and includes both manual and automatic tracking options. Its ability to generate detailed reports helps users keep track of productivity. Additionally, it integrates with numerous applications, enhancing its functionality. It's also appreciated for its project management capabilities and ability to handle billing and invoicing, making it versatile for various professional needs.

Recommended for

    Clockify is highly recommended for freelancers, small to medium-sized businesses, and remote teams who need efficient time management without financial constraints. Project managers, consultants, and anyone involved in billing or client work would find it particularly beneficial.

Overall verdict

  • Understanding ES6 by Nicholas C. Zakas is a highly regarded, thorough resource that clearly explains the features introduced in ECMAScript 2015 and beyond, making it a solid choice for developers wanting to modernize their JavaScript skills.

Why this product is good

  • Written by Nicholas C. Zakas, a respected authority in the JavaScript community
  • Provides clear, in-depth explanations of ES6 features rather than shallow overviews
  • Includes practical code examples that illustrate real-world usage
  • Covers important topics like let/const, arrow functions, classes, modules, promises, and destructuring
  • Well-organized structure that builds concepts progressively
  • Available free to read online, lowering the barrier to entry

Recommended for

  • Developers with a solid grasp of ES5 who want to learn modern JavaScript
  • Intermediate programmers looking to deepen their understanding of ES6 features
  • Front-end and Node.js developers transitioning to modern syntax and patterns
  • Self-learners who prefer a structured, book-based approach
  • Teams standardizing on ES6+ who need a reliable reference

Videos

Walkthroughs and reviews on video.

Clockify 3 videos + Add
UES
Understanding ES6 0 videos + Add

Quick Features Overview

More videos

  • - Clockify for Project Management
  • - Clockify Tour: All you need to know about this time tracking tool

No Understanding ES6 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
Clockify
UES
Understanding ES6
100% 100%
Time Tracking
0% 0%
0% 0%
Tech
100% 100%
100% 100%
Invoicing
0% 0%
0% 0%
Developer Tools
100% 100%

User comments

Share your experience with using Clockify and Understanding ES6. For example, how are they different and which one is better?

Log in or Post with

Reviews and articles

External articles and on-site reviews we used to compare the two products.

Clockify no reviews yet
UES
Understanding ES6 no reviews yet

View more

We have no reviews of Understanding ES6 yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Clockify 57 mentions
UES
Understanding ES6 0 mentions

View more

Tracking Understanding ES6 since Jun 2026.

Alternatives to Clockify and Understanding ES6

When comparing Clockify and Understanding ES6, you can also consider the following products.

Loading...