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RANDOM.ORG VS urur.dev

Compare RANDOM.ORG VS urur.dev and see what are their differences

RANDOM.ORG

RANDOM.ORG offers true random numbers to anyone on the Internet.

Rating
0 reviews
Alternatives Is it good?
urur.dev

Discover and validate side project ideas. Vote 'Want!' to show demand, track progress, and get notified when ideas ship.

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
Grapple
Do-It-Yourself Data Analytics & Business Intelligence, Powered by AI sponsored
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, RANDOM.ORG seems to be more popular. It has been mentioned 563 times since March 2021.

social mentions
563 vs 0
Random Generator popularity
100% vs 0%
alternatives listed
145 vs 6

Base details

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

RANDOM.ORG
urur.dev
Website random.org urur.dev
Pricing
Official pricing
Free
Platforms —
Web
Company — Startup from Japan · 1 - 9 employees · 2026
Listed in
Random Number Generator Random Generator Random Name Picker Spin The Wheel +1
Developer Tools Side Projects Brainstorming And Ideation Productivity Web App +2

About RANDOM.ORG and urur.dev

In their own words, as submitted to SaaSHub.

RANDOM.ORG
urur.dev

No description of RANDOM.ORG yet.

Stop building things nobody wants. urur.dev is an idea validation platform for indie developers. Post your side project idea and let the community vote “Want!” to reveal real demand. How it works Post your idea (no signup required to browse) The community votes “Want!” on ideas they’d actually...

Read more about urur.dev

Features and specs

What each product offers, as listed by its team.

RANDOM.ORG 6 features
urur.dev 6 features
  • True Randomness
    RANDOM.ORG generates random numbers based on atmospheric noise, which is considered to be truly random compared to algorithmic pseudorandom number generators.
  • Variety of Services
    Provides a wide range of randomization services, such as random number generation, random list shuffling, coin flipping, dice rolling, and more.
  • API Access
    Offers an API that developers can use to integrate true random number generation into their applications.
  • Statistical Analysis
    Includes tools for analyzing the statistical properties of the generated random sequences, ensuring randomness quality.
  • User-Friendly Interface
    The website is easy to navigate and use, making it accessible for both technical and non-technical users.
  • Secure Randomness
    Often used for cryptographic purposes due to the high level of unpredictability in the generated numbers.

Possible disadvantages

  • Limited Free Usage
    The free-tier usage is limited, and heavy users may need to subscribe to a paid plan to access more extensive services.
  • Internet Dependency
    Requires an internet connection to access the randomization services, which can be a limitation in offline scenarios.
  • Potential for Downtime
    As with any web service, there is a potential for downtime or server issues which could disrupt access to the service.
  • Data Privacy
    Users submitting data for randomization (e.g., shuffling a list) may have concerns about data privacy and should review the privacy policy.
  • Speed
    The process of generating true random numbers from atmospheric noise can be slower compared to pseudorandom number generation.
  • Idea Voting
    "Want!" button to show demand
  • Status Tracking
    Open → In Progress → Released
  • Early Supporter
    Recognition for first voters
  • Mentions
    @mention other users
  • Email Notifications
    Get notified when ideas ship
  • Pricing
    Free

Analysis

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

RANDOM.ORG
urur.dev

Overall verdict

  • RANDOM.ORG is generally considered a good resource for generating true random numbers.

Why this product is good

  • RANDOM.ORG utilizes atmospheric noise to generate sequences of random numbers, which is more unpredictable and thus more 'random' compared to algorithmic pseudo-random number generators used in computer programs. This makes it suitable for applications where true randomness is important, such as cryptography, secure data management, and unbiased data sampling.

Recommended for

  • Lottery games and raffles that require verifiable randomness.
  • Scientific experiments where unbiased random samples are critical.
  • Cryptography applications where security depends on unpredictability.
  • Games and simulations needing true random behavior.
  • Educational purposes to demonstrate the difference between true and pseudo-randomness.

Overall verdict

  • I don't have verified information about urur.dev, so I can't confirm its quality, legitimacy, or reputation. Please research independently before using or trusting this site.

Why this product is good

  • No reliable data available on this domain's purpose, ownership, or track record
  • Unable to verify security, reviews, or user feedback for this site
  • Recommend checking domain age, SSL certificate, and third-party reviews before engaging

Recommended for

  • Users should conduct their own due diligence including checking WHOIS data, reading independent reviews, and verifying site security before using this service

Videos

Walkthroughs and reviews on video.

RANDOM.ORG 3 videos + Add
urur.dev 0 videos + Add

How to cheat random.org on android

More videos

  • - Cheating random.org
  • - Random.org review

No urur.dev videos yet. You could help us improve this page by suggesting one.

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
RANDOM.ORG
urur.dev
100% 100%
Random Generator
0% 0%
0% 0%
Side Projects
100% 100%
100% 100%
Random Number Generator
0% 0%
0% 0%
Productivity
100% 100%

Questions & Answers

As answered by people managing RANDOM.ORG and urur.dev.

What makes your product unique?

urur.dev's answer:

urur.dev focuses on one thing: validating ideas before you build. Unlike feature request tools (Canny) or launch platforms (Product Hunt), urur.dev lets you test demand at the idea stage — before writing a single line of code. Browse freely, sign in to vote and engage.

Why should a person choose your product over its competitors?

urur.dev's answer:

It's simple and free. No signup required to browse ideas. Sign in to vote "Want!" and track ideas you care about. Post your idea, share the link, and see if real people want it — validation in minutes, not months.

How would you describe the primary audience of your product?

urur.dev's answer:

Indie developers and solo founders who build side projects. People who've wasted time building something nobody wanted and don't want to make that mistake again.

What's the story behind your product?

urur.dev's answer:

I spent 6 months building a side project nobody wanted. Twice. I realized the problem wasn't my code — it was building without validation. So I created urur.dev — the name comes from "uru uru" (売る売る), Japanese for "sell sell." The idea is simple: find your customers before you build, not after. A place where you can test if anyone actually wants your idea before you invest your nights and weekends building it.

Which are the primary technologies used for building your product?

urur.dev's answer:

HonoX (Hono + Islands architecture), Cloudflare Pages, Supabase (PostgreSQL + Auth), Vite, Tailwind CSS, and Resend for email notifications.

User comments

Share your experience with using RANDOM.ORG and urur.dev. 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.

RANDOM.ORG 563 mentions
urur.dev 0 mentions
  • Create robust CLI apps with Bashly
    Some people take randomness very seriously (especially those who deal with cryptography). There's even a web service called random.org self-described as "a true random number service that generates randomness via atmospheric noise".... - Source: dev.to / about 1 year ago
  • 30 minutes left to launch - who's still undecided on their build?
    I'm about to just do a Random.org roll for the 5 builds I'm deciding between. Let RNGesus take the wheel. Source: almost 3 years ago
  • Let's play a game + Comment to get 100-690 cones!
    I am live on twitch rn and let's play a game tip me in the comments 1000 cones and every 3000 cones tip I will use random.org to choose a winner between the three tippers who will get all of the cones. Do not tip to play if I am offline... Source: almost 3 years ago

View more

Tracking urur.dev since Feb 2026.

Alternatives to RANDOM.ORG and urur.dev

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