Software Alternatives & Startups

Fast.com VS Physion

Compare Fast.com VS Physion and see what are their differences

Fast.com

Quickly test your internet speed with this fast-loading speed test powered by Netflix.

Rating
0 reviews
Physion

Browser-based 2D physics sandbox for teaching and tinkering

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?

Based on our record, Fast.com seems to be a lot more popular than Physion. While we know about 1688 links to Fast.com, we've tracked only 2 mentions of Physion.

social mentions
1,688 vs 2
Speed Test popularity
100% vs 0%
alternatives listed
129 vs 13

Base details

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

Fast.com
Physion
Website fast.com physion.net
Platforms —
Web
Company Startup from the United States 2022
Listed in

About Fast.com and Physion

In their own words, as submitted to SaaSHub.

Fast.com
Physion

No description of Fast.com yet.

Physion is a free browser-based 2D physics simulator. Draw rigid bodies (circles, rectangles, capsules, polygons, gears, text and polylines), connect them with joints and springs, then simulate liquids, soft bodies and particle emitters. Boolean shape operations and a scriptable laser raycast are...

Read more about Physion

Features and specs

What each product offers, as listed by its team.

Fast.com 5 features
Physion 5 features
  • Simplicity
    Fast.com has a clean and straightforward interface, making it very easy for users to test their internet speed without any distractions or complications.
  • Ad-Free
    The website does not contain any advertisements, providing a seamless and uninterrupted user experience.
  • Integration with Netflix
    Fast.com is created by Netflix, which ensures that the speed test results are optimized for streaming services, giving users a reliable indicator of how well they can stream content on the platform.
  • Quick Results
    The speed test begins automatically as soon as the website loads, providing users with rapid results without the need for additional clicks or inputs.
  • Mobile-Friendly
    Fast.com is optimized for mobile devices, making it easy for users to test their internet speed on smartphones and tablets.

Possible disadvantages

  • Limited Metrics
    Fast.com primarily focuses on download speed and does not provide as comprehensive a range of metrics as some other speed test websites, such as upload speed, latency, and jitter.
  • No Server Selection
    Users cannot choose which server to run the speed test against, which can sometimes result in less accurate measurements for specific network conditions.
  • No Historical Data
    Fast.com does not offer features to save or track historical speed test results, limiting users' ability to monitor their internet performance over time.
  • Lack of Customization
    There are no options to customize the test parameters, such as test duration or concurrency levels, which might be relevant for more advanced users.
  • Geared for Streaming
    Since Fast.com is tailored for Netflix streaming, it may not fully represent other usage scenarios, such as gaming or file downloads, which require different network performances.
  • User-Friendly Interface
    Physion offers a straightforward and intuitive user interface that makes it accessible for people of all ages and experience levels to create and simulate 2D physics scenarios.
  • Educational Tool
    Physion is an excellent educational tool for teaching and learning fundamental physics concepts through hands-on simulation and experimentation.
  • Versatile Simulation Capabilities
    The software provides a range of tools and elements that allow users to simulate various physics phenomena, such as collisions, gravity, and friction.
  • Interactive Features
    Physion includes interactive features that enable users to manipulate objects and parameters in real-time to observe different outcomes from experiments.
  • Community Resources
    The platform has an active community that shares tutorials, simulation models, and problem-solving tips which enhances the learning process.

Analysis

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

Fast.com
Physion

Overall verdict

  • Yes, Fast.com is good for quickly assessing your internet download speed, particularly if you're interested in streaming quality on Netflix.

Why this product is good

  • Fast.com is a speed test tool developed by Netflix to help users evaluate their internet connection, particularly for streaming services. It is known for its simplicity, ease of use, and lack of ads, providing a quick way to measure download speeds using Netflix's servers.

Recommended for

  • Users who want a simple and ad-free internet speed test.
  • Anyone looking to check streaming speeds for Netflix.
  • People interested in basic information about their download speeds without detailed additional metrics.

No analysis of Physion yet.

Videos

Walkthroughs and reviews on video.

Fast.com 3 videos + Add
Physion 2 videos + Add

Speedtest.net vs Fast.com | why different results ?

More videos

  • - Measure your Internet speed with Fast.com
  • - Fast.com: Better than speedtest.net?

Liquids and Soft Bodies Simulation

More videos

  • - Mini Marble Race

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
Fast.com
Physion
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Fast.com and Physion. 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.

Fast.com 1688 mentions
Physion 2 mentions
  • I Built a Fast.com for LLMs: Introducing iamspeed.dev
    That is exactly how fast.com works for internet speed tests. You open it, it runs, you see a number. Done. - Source: dev.to / 3 months ago
  • Streaming the 2026 Winter Olympics: A Developer's Guide to Live Sports IPTV
    Pro tip: Run a speed test immediately before the event. Don't trust your "up to 100 Mbps" ISP claim. Use fast.com or speedtest.net to get real numbers. - Source: dev.to / 7 months ago
  • Downdetector, Speedtest sold to IT service provider Accenture in $1.2B deal
    Speedtest has always seemed incredibly sketchy to me, I don’t know if others share this sentiment. https://fast.com completed the test faster than speedtest loads the site. - Source: Hacker News / 7 months ago

View more

  • Time flies, because we're spending almost a quarter of each day scrolling
    'time scrolling by' with alias of clock time displayed everytime 'enter'/'return' pressed[0a][0b] would seem a bit easier to do than pop-up physics demo with 'clock displaying time flying through demo virtual space[1]. Although the later... - Source: Hacker News / over 2 years ago
  • Physion: Interactive Physics Simulations
    Please give it a try at https://physion.net. Source: over 4 years ago

Alternatives to Fast.com and Physion

When comparing Fast.com and Physion, you can also consider the following products.