Software Alternatives & Startups

Purgecss VS Ubi Timer

Compare Purgecss VS Ubi Timer and see what are their differences

Purgecss

Easily remove unused CSS

Rating
0 reviews
Pricing
Open source
Ubi Timer

UbiTimer is a PowerPoint timer add-in that helps presenters stay on track with a clear countdown across slides. Simple and effective.

Rating
0 reviews
Pricing
$19.9 / One-off

Which is more popular?

Based on our record, Purgecss seems to be more popular. It has been mentioned 36 times since March 2021.

social mentions
36 vs 0
Developer Tools popularity
100% vs 0%
alternatives listed
86 vs 1

Base details

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

Purgecss
Ubi Timer
Website purgecss.com ubitimer.com
Pricing
Open source
$19.9 / One-off Official pricing
Company — Startup from the United Kingdom · 1 - 9 employees · 2025
Listed in

About Purgecss and Ubi Timer

In their own words, as submitted to SaaSHub.

Purgecss
Ubi Timer

No description of Purgecss yet.

UbiTimer is a lightweight PowerPoint add-in that adds countdown, count-up, and radial timers directly to your slides. Perfect for teachers, presenters, and trainers, it helps keep lessons and meetings on schedule. Works on Windows and Mac, supports slideshow mode, and offers a free EDU version...

Read more about Ubi Timer

Features and specs

What each product offers, as listed by its team.

Purgecss 5 features
Ubi Timer 5 features
  • Reduced File Size
    PurgeCSS analyzes your CSS files and removes unused selectors, significantly reducing the size of your CSS files, leading to faster load times.
  • Performance Improvement
    By eliminating unnecessary CSS, PurgeCSS can improve the performance of your website, as there is less CSS for the browser to parse and execute.
  • Enhanced Maintainability
    With PurgeCSS, your CSS becomes cleaner and more manageable, making it easier for developers to maintain and update.
  • Integration
    PurgeCSS can be easily integrated into build tools like Webpack, Gulp, and Grunt, allowing seamless automation in the development workflow.
  • Customizability
    PurgeCSS offers configuration options that allow developers to specify content sources, safelisting of selectors, and more, making it highly customizable.

Possible disadvantages

  • Configuration Complexity
    Setting up PurgeCSS may require a detailed configuration to correctly identify which CSS selectors are in use, which can be complex for larger projects.
  • Potential Removal of Used Styles
    If not configured properly, PurgeCSS might accidentally remove dynamic classes generated by JavaScript or conditional rendering, affecting the functionality of the site.
  • Initial Setup Time
    The initial setup and integration process can be time-consuming, especially for projects with a large codebase or complex structure.
  • Limited Dynamic Content Handling
    PurgeCSS may struggle with highly dynamic sites where CSS classes are generated at runtime, requiring careful management or additional tools to ensure accuracy.
  • Learning Curve
    Developers may need to spend additional time learning how to effectively use PurgeCSS, especially if they are new to the tool or similar CSS management solutions.
  • Simple Interface
    Ubi Timer offers a clean, minimalistic user interface that makes it easy for users to quickly set timers without unnecessary complexity or clutter.
  • Free to Use
    The tool is accessible without cost, making it a budget-friendly option for individuals and small teams looking to manage time without financial investment.
  • No Installation Required
    As a web-based tool, Ubi Timer can be accessed directly through a browser, eliminating the need for downloads or installations on various devices.
  • Quick Setup
    Users can start a timer almost instantly upon visiting the site, which is ideal for those who need a fast solution for time management tasks like Pomodoro sessions or study breaks.
  • Cross-Platform Accessibility
    Being browser-based, it works across different operating systems and devices as long as there is internet access, offering flexibility for users on desktops, tablets, or phones.

Analysis

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

Purgecss
Ubi Timer

Overall verdict

  • Purgecss is a valuable tool for developers looking to optimize their CSS for production environments. It is especially useful for projects where CSS can become bloated due to unused styles. However, users should be cautious when configuring Purgecss to ensure that essential styles are not accidentally removed.

Why this product is good

  • Purgecss is designed to remove unused CSS, which can reduce the file size of your stylesheets, improve loading times, and ensure more efficient use of resources. It scans your HTML, JavaScript, and other files to determine which CSS classes are actually used, and eliminates the rest. This is particularly beneficial in large projects or when using CSS frameworks that include many utility classes.

Recommended for

    Purgecss is recommended for web developers working on projects with significant CSS codebases, especially when using CSS frameworks like Bootstrap or Tailwind CSS. It's also ideal for teams focused on performance optimization and efficient resource management in web applications.

Overall verdict

  • Ubi Timer appears to be a simple, focused online timer/productivity tool that gets basic timing tasks done without unnecessary complexity, making it a decent lightweight option though not a feature-rich alternative to dedicated productivity suites.

Why this product is good

  • Clean, minimal interface that's easy to use without a learning curve
  • Free to access without requiring account creation for basic use
  • Works directly in the browser without needing to install software
  • Useful for quick, no-frills timing needs like Pomodoro sessions or countdowns

Recommended for

  • Users who want a quick, no-signup timer for short-term tasks
  • Students or remote workers using Pomodoro-style time management
  • People who prefer simple web tools over app installations
  • Casual users who don't need advanced analytics or team features

Videos

Walkthroughs and reviews on video.

Purgecss 2 videos + Add
Ubi Timer 1 video + Add

How to use PurgeCSS to Remove Unused CSS Classes from Tailwind CSS, Bootstrap, and more!

More videos

  • - Gatsby.js with Tailwind CSS and PurgeCSS

UbiTimer Global Timer Across Slides in PowerPoint

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
Purgecss
Ubi Timer
100% 100%
0% 0%
0% 0%
100% 100%
92% 92%
8% 8%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Purgecss and Ubi Timer.

What makes your product unique?

Ubi Timer's answer:

Ubi Timer brings timing directly into PowerPoint, so presenters do not need to switch to a browser, phone, or separate desktop timer. It supports countdown and stopwatch modes, works during Slide Show, and can be used per slide or across sections of a presentation, which makes it especially useful for lessons, workshops, rehearsals, and live talks.

Why should a person choose your product over its competitors?

Ubi Timer's answer:

Choose Ubi Timer if you want a timer that feels native to PowerPoint instead of bolted on. It is designed to be quick to set up, easy to style to match your slides, usable on Windows, Mac, and PowerPoint for the web, and reliable in live presentation settings without needing to leave your deck. It also offers a free version and a free EDU option for verified schools.

How would you describe the primary audience of your product?

Ubi Timer's answer:

Ubi Timer is built for teachers, trainers, presenters, and speakers who use PowerPoint and need better control over timing. It is especially well suited for classrooms, workshops, meetings, practice sessions, and any presentation where staying on schedule matters.

What's the story behind your product?

Ubi Timer's answer:

Ubi Timer was created out of frustration with standalone timers and makeshift PowerPoint timer setups built from animated slides. The goal was to create a cleaner, easier, and more reliable way to manage time inside PowerPoint without disrupting the presentation experience.

Which are the primary technologies used for building your product?

Ubi Timer's answer:

Ubi Timer is built as a Microsoft PowerPoint add-in for Microsoft 365 and Office, designed to work directly inside PowerPoint across supported Windows, Mac, and web environments. I could not find a trustworthy public source naming the full internal stack, so this answer is safest for a public listing.

Who are some of the biggest customers of your product?

Ubi Timer's answer:

Teachers and schools Corporate trainers Workshop facilitators Public speakers and presenters Teams using PowerPoint for meetings and rehearsals

User comments

Share your experience with using Purgecss and Ubi Timer. For example, how are they different and which one is better?

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Social recommendations and mentions

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

Purgecss 36 mentions
Ubi Timer 0 mentions

View more

Tracking Ubi Timer since Oct 2025.

Alternatives to Purgecss and Ubi Timer

When comparing Purgecss and Ubi Timer, you can also consider the following products.