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inputprobe DPI Test VS Codewars

Compare inputprobe DPI Test VS Codewars and see what are their differences

inputprobe DPI Test

Measure your mouse's real DPI against a physical reference, with the spread shown and the alignment error measured. Runs in your browser; nothing is uploaded.

Rating
0 reviews
Pricing
Free Free trial
Alternatives Is it good?
Codewars

Achieve code mastery through challenge.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Taverlo
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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, Codewars seems to be more popular. It has been mentioned 160 times since March 2021.

social mentions
0 vs 160
Web Utilities popularity
100% vs 0%
alternatives listed
29 vs 240+

Base details

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

inputprobe DPI Test
Codewars
Website inputprobe.com codewars.com
Pricing
Free Free trial
Open source
Listed in
OS & Utilities Online Services Online Utilities System Utilities Utilities / Web Tools Web Utilities Utilities Monitoring Tools Tool Development Mouse Tools Testing +9
Online Learning Online Courses Online Education Education +1

About inputprobe DPI Test and Codewars

In their own words, as submitted to SaaSHub.

inputprobe DPI Test
Codewars

A browser can't ask a mouse for its DPI, so this test measures it: drag along an object whose size is fixed by international standard (a bankcard is 85.60 mm by ISO/IEC 7810), three passes, median plus spread. Accuracy bands are published from 51 runs on real hardware, and an alignment check...

Read more about inputprobe DPI Test

No description of Codewars yet.

Features and specs

What each product offers, as listed by its team.

inputprobe DPI Test 5 features
Codewars 5 features
  • Measures, does not guess
    A browser cannot ask a mouse for its DPI, so this measures it: you drag the mouse along a reference object of known size and it counts the movement the mouse actually reports over that distance.
  • Standard physical references
    Measure against a bank card, whose long edge is 85.60 mm by ISO/IEC 7810, or A4 or US Letter paper at 297 mm and 279.4 mm. The reference is an international standard, so no ruler is involved.
  • Three passes, median and spread
    You get the median of three passes plus the spread between them. Passes landing within a percent or two mean the measurement was repeatable; a wide spread means something interfered, and the tool says so.
  • Refuses rather than guesses
    When the three passes disagree, no DPI figure is reported. An honest refusal is more useful than a confident wrong number, and the page explains what to change before trying again.
  • Free, local, nothing uploaded
    Free and runs entirely in your browser. No account, no signup, no install, and nothing about the measurement leaves your machine.
  • Wide Range of Challenges
    Codewars offers a broad spectrum of coding challenges ranging from easy to very difficult, catering to all skill levels.
  • User Engagement
    The platform encourages community interaction through comments, user-submitted challenges, and solutions, fostering a collaborative learning environment.
  • Multiple Languages
    Codewars supports a variety of programming languages, allowing users to practice and improve skills in their language of choice.
  • Gamification
    The use of a ranking system, badges, and honor points adds a gamified layer to the learning process, making it more engaging and motivating.
  • Detailed Solutions
    After solving a challenge, users can view multiple solutions from others, offering a range of approaches and insights into problem-solving.

Possible disadvantages

  • Steep Learning Curve
    Beginners might find some challenges too difficult at first, which can be discouraging without proper guidance or learning resources.
  • Quality Variability
    The quality of user-submitted challenges can be inconsistent, meaning not all katas are equally useful or well-designed.
  • Limited In-Depth Learning
    While great for practice, Codewars does not provide comprehensive tutorials or in-depth explanations, which are often needed for mastering complex concepts.
  • Time Consumption
    The addictive nature of the platform can lead to spending excessive time on solving challenges, potentially detracting from other learning activities.

Analysis

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

inputprobe DPI Test
Codewars

No analysis of inputprobe DPI Test yet.

Overall verdict

  • Yes, Codewars is a valuable resource for programmers looking to enhance their problem-solving skills and gain proficiency in various programming languages.

Why this product is good

  • Codewars is considered good due to its extensive library of coding challenges (kata) that cater to multiple programming languages. It promotes learning through practice, allowing users to improve their coding skills by solving increasingly complex problems. The platform also encourages community engagement by allowing users to create their own challenges and interact with solutions from other programmers.

Recommended for

    Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.

Videos

Walkthroughs and reviews on video.

inputprobe DPI Test 0 videos + Add
Codewars 2 videos + Add

No inputprobe DPI Test videos yet. You could help us improve this page by suggesting one.

Codewars Review & Tips

More videos

  • - Practising Programming | Codewars Intro

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
inputprobe DPI Test
Codewars
100% 100%
Web Utilities
0% 0%
0% 0%
Online Learning
100% 100%
100% 100%
Utilities
0% 0%
0% 0%
Online Education
100% 100%

Questions & Answers

As answered by people managing inputprobe DPI Test and Codewars.

How would you describe the primary audience of your product?

inputprobe DPI Test's answer

PC gamers dialing in sensitivity who want to know their real DPI rather than the nominal number on the box, mouse enthusiasts (the r/MouseReview crowd) comparing sensors and verifying units, and anyone troubleshooting a mouse that "feels wrong", since a few percent of unit-to-unit sensor variance is normal and measurable. More broadly, anyone who prefers a measurement with a stated error band over a confident guess.

What makes your product unique?

inputprobe DPI Test's answer

Two things. First, it measures instead of guessing: a browser cannot ask a mouse for its DPI, so the test divides raw movement counts by the length of an object that is exact by international standard, every bank card on earth is 85.60 mm long (ISO/IEC 7810), and paper sizes are fixed by ISO 216. Second, it publishes its own error bars. The accuracy bands shown next to your result were measured over 51 complete runs on real hardware (results on A4 stay within ~3% of each other, on a bank card within ~6%), and when a capture can't support a number, the test refuses to print one and tells you why, rather than averaging a mess into a confident-looking figure.

Why should a person choose your product over its competitors?

inputprobe DPI Test's answer

Most online mouse testers measure your monitor, not your mouse: they count one movement per drawn frame, so results are quietly capped by your display's refresh rate. inputprobe reads the individual device reports with their own timestamps, before that distortion happens. It also handles the errors other testers ignore: it detects OS pointer acceleration instead of blaming your mouse, uses displacement so your drag doesn't need to be straight, and includes an alignment check that solves for your placement error, the one mistake repeatability checks structurally cannot see. And everything runs locally in your browser: no account, no upload, no tracking.

What's the story behind your product?

inputprobe DPI Test's answer

I tested my own mouse on the popular online testers and got answers that were confidently wrong, most of them were really measuring my monitor's refresh rate. So I built a set of testers around one rule: a verdict must quote the evidence it's based on, and when the evidence isn't good enough, the tool refuses to print a number. That meant doing the unglamorous part: running the DPI method 51 times across two mice to measure how accurate it actually is, publishing those bands next to every result, and writing up the full methodology (including what has not been validated yet) at inputprobe.com/methodology/.

Which are the primary technologies used for building your product?

inputprobe DPI Test's answer

Plain-vanilla web platform, no frameworks: the measurement engine is dependency-free JavaScript ES modules. The site is static HTML generated by a small Python build (Jinja2 + Markdown), served from Cloudflare's edge. There is no backend at all, every measurement runs entirely in the browser and nothing is uploaded.

Who are some of the biggest customers of your product?

inputprobe DPI Test's answer

None to list, it's a free tool with no accounts and no tracking, so we genuinely don't know who uses it, and we prefer it that way.

User comments

Share your experience with using inputprobe DPI Test and Codewars. For example, how are they different and which one is better?

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Reviews and articles

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

inputprobe DPI Test no reviews yet
Codewars no reviews yet

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Social recommendations and mentions

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

inputprobe DPI Test 0 mentions
Codewars 160 mentions

Tracking inputprobe DPI Test since Aug 2026.

  • Of recursion and backtracking
    Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
  • 4th year, about to fail an entire semester's worth of classes.
    Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
  • Beginner with C++ looking for direction
    I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago

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Alternatives to inputprobe DPI Test and Codewars

When comparing inputprobe DPI Test and Codewars, you can also consider the following products.

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