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Opal.so VS Big Timer

Compare Opal.so VS Big Timer and see what are their differences

Opal.so

Real Focus in Real-Time. Measure and improve your focus day by day, on iPhone, iPad and macOS.

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Rating
0 reviews
Alternatives Is it good?
Big Timer

Big Timer is a fullscreen countdown timer for workshops, presentations and meetings in your browser.

Rating
0 reviews
Alternatives Is it good?
JustDocz
Private document search for Windows. Find files by what’s inside them β€” locally, without uploading your documents. sponsored

Which is more popular?

Based on our record, Big Timer seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
0 vs 1
Productivity popularity
100% vs 0%
alternatives listed
120 vs 21

Base details

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

Opal.so
Big Timer
Website opal.so bigtimer.net
Pricing
Official pricing
β€”
Listed in
Focus Productivity Time Tracking Time Management +1
Time Tracking Online Services Alarm Clock Countdown +1

Analysis

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

Opal.so
Big Timer

No analysis of Opal.so yet.

Overall verdict

  • Big Timer (bigtimer.net) is a simple, free, and effective full-screen countdown timer that works great for presentations, classrooms, and meetings without requiring any downloads or sign-ups.

Why this product is good

  • It's completely free to use with no registration required
  • Features large, easy-to-read full-screen displays visible from across a room
  • Works directly in the browser on any device without installation
  • Simple and intuitive interface with quick preset time options
  • Great for keeping presentations, activities, and meetings on schedule

Recommended for

  • Teachers and educators managing classroom activities and timed tasks
  • Presenters and public speakers who need a visible countdown
  • Meeting facilitators keeping discussions on track
  • Workshop and event organizers timing sessions
  • Anyone needing a large, no-fuss timer for group settings

Videos

Walkthroughs and reviews on video.

Opal.so 0 videos + Add
Big Timer 2 videos + Add

No Opal.so videos yet. You could help us improve this page by suggesting one.

Is the TNT Big Timer 149.99 worth it/review?

More videos

  • - SCHRADE USA OLD TIMER 51OT BIG TIMER -πŸ‡ΊπŸ‡Έ- Episode 168

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
Opal.so
Big Timer
100% 100%
Productivity
0% 0%
0% 0%
Alarm Clock
100% 100%
100% 100%
Focus
0% 0%
0% 0%
Time Tracking
100% 100%

User comments

Share your experience with using Opal.so and Big 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.

Opal.so 0 mentions
Big Timer 1 mention

Tracking Opal.so since May 2025.

  • Don’t use alarms, use countdowns!
    I use bigtimer.net for this. It shows a really big full screen timer. I put it on my large TV that's right in my face and unmissable. Source: about 5 years ago

Alternatives to Opal.so and Big Timer

When comparing Opal.so and Big Timer, you can also consider the following products.

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