Software Alternatives & Startups

date-fns VS Substack

Compare date-fns VS Substack and see what are their differences

date-fns

date-fns provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js.

Rating
0 reviews
Pricing
Open source
Substack

With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.

Rating
0 reviews
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?

Substack might be a bit more popular than date-fns. We know about 109 links to it since March 2021 and only 83 links to date-fns.

social mentions
83 vs 109
Javascript UI Libraries popularity
100% vs 0%
alternatives listed
92 vs 240+

Base details

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

date-fns
Substack
Website date-fns.org substack.com
Pricing
Open source
—
Company — Startup from the United States
Listed in

Features and specs

What each product offers, as listed by its team.

date-fns 7 features
Substack 6 features
  • Lightweight
    date-fns is designed to be lightweight, with a modular structure that allows developers to only import the functions they need, reducing overall bundle size.
  • Modular
    The library is highly modular, which means you can include only the specific functionalities you need, leading to better optimization and faster load times for your applications.
  • Immutable
    date-fns functions operate in an immutable way, meaning they do not change the original date objects but return new date objects, avoiding potential side effects.
  • Comprehensive
    date-fns provides a comprehensive set of date-related functions, covering a wide range of use cases from simple date manipulation to complex date calculations.
  • Localization
    The library has built-in support for internationalization and localization, making it easier to format dates in various locales and languages.
  • Ease of Use
    With a consistent and straightforward API, date-fns is easy to learn and use, making it accessible to both beginners and experienced developers.
  • Well-maintained
    date-fns is actively maintained with frequent updates and a supportive community, ensuring it stays up-to-date with the latest JavaScript standards and practices.

Possible disadvantages

  • Not as Rich as Moment.js
    Compared to Moment.js, date-fns lacks some of the more advanced date manipulation features and utilities, potentially requiring additional work for certain use cases.
  • Learning Curve
    While simpler than some alternatives, there is still a learning curve to fully understand and utilize the modular approach and various functions provided by date-fns.
  • No Time Zones Support
    Date-fns does not provide built-in support for time zones, which can be a limitation for applications that require robust time zone handling.
  • Function Overhead
    The functional approach, while flexible, can lead to a higher overhead in function calls compared to some object-oriented approaches, potentially impacting performance in heavily date-manipulation-centric applications.
  • Dependency Management
    Because of its modularity, managing imports and ensuring all necessary parts of the library are included can sometimes be cumbersome and error-prone.
  • Interoperability
    Interoperability with other date libraries is not always straightforward, and transitioning from libraries like Moment.js can require significant code changes.
  • Ease of Use
    Substack offers a user-friendly interface that makes it easy for writers to publish and monetize their newsletters.
  • Built-in Monetization
    Writers can easily charge readers for subscriptions, allowing for straightforward monetization.
  • Direct Audience Connection
    Substack allows writers to build a direct relationship with their audience via email, which can lead to a more engaged readership.
  • Discovery and Community
    Features like staff picks and recommendations help writers get discovered by new readers.
  • No Upfront Costs
    Substack does not charge upfront fees; instead, it takes a percentage of subscription revenues, making it easier to start.
  • Content Ownership
    Writers retain full ownership of their content, giving them more control over their work.

Possible disadvantages

  • Revenue Share
    Substack takes a 10% cut of subscription revenues, which can add up for writers with a large subscriber base.
  • Limited Customization
    The platform has limited customization options compared to building a custom website or using more flexible CMS options.
  • Dependency on Platform
    Relying on Substack means depending on its policies and infrastructure, which could pose risks if the platform changes its terms or features.
  • Competition
    As more writers join Substack, it can become challenging to stand out amidst the growing competition.
  • Email Deliverability
    Writers may face issues with email deliverability, as some newsletters may end up in spam folders.
  • Payment Processing Fees
    Besides Substack's fee, payment processors like Stripe also take a percentage, further reducing net earnings for writers.

Analysis

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

date-fns
Substack

Overall verdict

  • Yes, date-fns is a good choice for date manipulation in JavaScript applications. It is efficient, lightweight, and well-maintained, making it suitable for both small and large projects.

Why this product is good

  • Date-fns is considered a good library because it offers over 200 functions for manipulating JavaScript dates in a consistent and reliable manner. It focuses on immutability and provides a functional approach to date manipulation, which can help avoid common pitfalls associated with mutable objects. It's also modular, allowing developers to include only the functions they need, reducing the overall bundle size.

Recommended for

  • Developers seeking a lightweight, modular date library.
  • Projects where tree-shaking capabilities are important to reduce bundle size.
  • Teams that prefer a functional programming approach to date manipulation.
  • Applications needing comprehensive date manipulation capabilities without the overhead of larger libraries like Moment.js.

Overall verdict

  • Substack is a good choice for writers seeking autonomy and a straightforward way to monetize their content. However, it may not be the best fit for those who prefer working within the framework of a larger publication or those unfamiliar with the challenges of building and maintaining a subscriber base.

Why this product is good

  • Substack is a platform that allows writers, journalists, and content creators to publish and monetize their newsletters. It is praised for its ease of use, built-in subscription system, and direct-to-consumer model which enables writers to retain control over their audience and content. The platform has attracted both independent writers and established journalists seeking the freedom to monetize their work without traditional media constraints.

Recommended for

  • Independent writers and journalists
  • Content creators looking to monetize their work
  • Individuals seeking a direct relationship with their audience
  • Those who appreciate simplicity in publishing

Videos

Walkthroughs and reviews on video.

date-fns 0 videos + Add
Substack 5 videos + Add

No date-fns videos yet. You could help us improve this page by suggesting one.

Monetizing Podcasts and Newsletters - Chris Best of Substack and Jonathan Gill of Backtracks

More videos

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  • - My Experience with SUBSTACK: An Honest Review of Substack

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
date-fns
Substack
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
CMS
100% 100%

User comments

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Reviews and articles

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

date-fns no reviews yet
Substack no reviews yet

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Social recommendations and mentions

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

date-fns 83 mentions
Substack 109 mentions
  • useEditorContext composable in n8n codebase.
    When building frontend applications, we often need to reuse logic for common tasks. For example, we may need to format dates in many places, so we extract a reusable function for that. This formatter function encapsulates stateless... - Source: dev.to / about 2 months ago
  • I shipped my first npm package with AI — and it's already in production
    Daterly is built on react-day-picker v9 (headless) and date-fns v4. The headline features:. - Source: dev.to / 4 months ago
  • Three Ways to Convert JSON to TypeScript. Only One Is Deterministic.
    Date strings. ISO 8601 timestamps like "2026-04-27T10:00:00Z" are string to the converter. If you're parsing them with date-fns or dayjs, you'll want to change those to Date in your final types. - Source: dev.to / 6 months ago

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Alternatives to date-fns and Substack

When comparing date-fns and Substack, you can also consider the following products.