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SellWhere.app VS Codédex

Compare SellWhere.app VS Codédex and see what are their differences

SellWhere.app

Free resale fee calculator: compare seller fees across eBay, Poshmark, Mercari, Vinted, Depop and Etsy in one place. See where you keep the most profit.

Rating
0 reviews
Alternatives Is it good?
Codédex

The most fun way to learn to code.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Recalert.us
Free recall lookup for U.S. businesses. Search CPSC, FSIS, NHTSA and FDA product recalls by product, brand, model or UPC in seconds. 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, Codédex seems to be more popular. It has been mentioned 5 times since March 2021.

social mentions
0 vs 5
Calculators popularity
100% vs 0%
alternatives listed
9 vs 227

Base details

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

SellWhere.app
Codédex
Website sellwhere.app codedex.io
Pricing —
Open source
Platforms
Web
—
Company 1 - 9 employees · 2026 —
Listed in
E-Commerce Tools Online Calculators eCommerce Calculators Finance eCommerce Tools +3
Edtech Learn To Code Technology Education Tech +2

About SellWhere.app and Codédex

In their own words, as submitted to SaaSHub.

SellWhere.app
Codédex

SellWhere is a free fee comparison tool built for resellers who sell across multiple platforms. One input, six answers. Enter a sale price once and instantly see your net payout ranked across eBay, Poshmark, Mercari, Vinted, Depop, and Etsy. No more switching between calculators or guessing which...

Read more about SellWhere.app

No description of Codédex yet.

Features and specs

What each product offers, as listed by its team.

SellWhere.app 4 features
Codédex 4 features
  • Multi-Platform Comparison
    Enter a price once, see net payout ranked across 6 resale platforms
  • eBay Deep Fee Modeling
    20+ categories, 6 store subscription tiers, 3 seller levels
  • Verified Fee Rates
    Every calculator shows last-verified date with links to official fee pages
  • Shipping Cost Toggle
    Choose buyer-pays or seller-pays shipping; fees recalculate automatically
  • User-Friendly Interface
    Codédex offers a clean and intuitive interface that makes it easy for both beginners and advanced users to navigate and utilize the platform effectively.
  • Comprehensive Resources
    The platform provides a wide range of coding resources and tutorials, covering various programming languages and technologies, which are beneficial for learners at different levels.
  • Interactive Learning
    Codédex incorporates interactive coding exercises that enhance the learning experience by allowing users to practice and apply what they’ve learned in real-time.
  • Community and Support
    The platform fosters a strong community where users can interact, seek help, and share knowledge, complemented by responsive customer support.

Possible disadvantages

  • Limited Free Content
    While Codédex does offer some free resources, the majority of its more advanced tutorials and features require a paid subscription, which might not be accessible for everyone.
  • Occasional Technical Issues
    Some users have reported experiencing technical glitches or downtime, which can hinder the learning process if not addressed promptly.
  • Inconsistent Content Updates
    The frequency of content updates and new course additions can be inconsistent, potentially leaving learners waiting for new material in their areas of interest.
  • Overwhelming for Beginners
    Due to the extensive amount of resources available, beginners might find the platform overwhelming and struggle to know where to start.

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
SellWhere.app
Codédex
100% 100%
Calculators
0% 0%
0% 0%
Education
100% 100%
100% 100%
eCommerce
0% 0%
0% 0%
Online Learning
100% 100%

Questions & Answers

As answered by people managing SellWhere.app and Codédex.

Which are the primary technologies used for building your product?

SellWhere.app's answer

  • Astro — static site framework for fast, SEO-friendly pages
  • React — interactive calculator components (Astro Islands architecture, so only calculators load JavaScript)
  • Tailwind CSS v4 — utility-first styling
  • Cloudflare Pages — global edge deployment for fast load times worldwide

What makes your product unique?

SellWhere.app's answer

SellWhere is the only free tool that lets you enter a sale price once and instantly compare your net payout across 6 major resale platforms — eBay, Poshmark, Mercari, Vinted, Depop, and Etsy. Most fee calculators only handle one platform at a time.

Our eBay calculator goes deeper than any competitor, modeling 20+ item categories, 6 store subscription tiers, and 3 seller levels. Every calculator shows when fees were last verified, with direct links to official fee pages so you can trust the numbers.

How would you describe the primary audience of your product?

SellWhere.app's answer

SellWhere serves two main groups:

  • Casual sellers clearing out closets or decluttering, who want to know which platform gives them the best payout before listing
  • Professional resellers who list across multiple platforms (eBay, Poshmark, Mercari, etc.) and need accurate, up-to-date fee comparisons to maximize their margins on every item

What's the story behind your product?

SellWhere.app's answer

SellWhere was born from a real frustration: resale platform fees are confusing, constantly changing, and scattered across different help pages. We wanted one place to see exactly what you'd take home on every major platform, with no guesswork.

Resale fees are also in a period of rapid change — Mercari dropped its seller fee to 0% in 2024, Depop eliminated buyer fees in mid-2024, and Vinted launched in the US in January 2026. Keeping up is hard. SellWhere was built to be the single source of truth for resellers navigating these shifts.

User comments

Share your experience with using SellWhere.app and Codédex. 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.

SellWhere.app 0 mentions
Codédex 5 mentions

Tracking SellWhere.app since Aug 2026.

  • Looking for a bit of coding advice!
    I'm a new coder too. What helps me is finding a good place to learn the most basic principles and having 2-5 things I want to do. I started with codedex.io , learning Python and HTML and then took their courses and moved on looking for... Source: over 3 years ago
  • self learning towards a web dev career
    I think you should focus on HTML, CSS, and JS, starting with HTML. I just started HTML on a website called codedex.io. Pretty cool so far but I feel like I'm getting into a brand new thing haha. Source: over 3 years ago
  • A beginner in python
    I've been learning Python on a website called codedex.io for about 6 months. It's been great for me so far. I just started on Classes and Objects. Give them a try, you might like them. Source: over 3 years ago

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