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ResinCalc.app VS OnePatch

Compare ResinCalc.app VS OnePatch and see what are their differences

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ResinCalc.app logo ResinCalc.app

Calculate exactly how much epoxy resin you need for river tables, jewelry, or any project. Free, accurate, no sign-up. Built for makers.

OnePatch logo OnePatch

Make Selling Online Easy
  • ResinCalc.app Free epoxy resin calculator — no sign-up, no ads
    Free epoxy resin calculator — no sign-up, no ads //
    2026-06-14
  • ResinCalc.app Exact resin amount with an automatic layer-by-layer pour plan
    Exact resin amount with an automatic layer-by-layer pour plan //
    2026-06-14
  • ResinCalc.app Enter shape, size and depth — any unit, metric or imperial
    Enter shape, size and depth — any unit, metric or imperial //
    2026-06-14
  • ResinCalc.app Built on real resin specs: depth, working time and best use
    Built on real resin specs: depth, working time and best use //
    2026-06-14
  • ResinCalc.app Full recipe: mix, layer plan, curing times and where to buy
    Full recipe: mix, layer plan, curing times and where to buy //
    2026-06-14

ResinCalc is a free, no-sign-up epoxy resin calculator for makers, woodworkers and crafters.

Enter your piece's shape, measurements and depth and get exactly what you need to pour with confidence:

  • Exact resin amount in grams (or oz) — never run short or waste expensive resin
  • A:B mixing ratio by weight, with the precise split for each part
  • Curing & pot-life times for your resin
  • Automatic layer-by-layer pour plan for deep pours — the part most calculators skip

Works for river tables, jewelry, coasters, fluid art, molds, floors and countertops, in metric or imperial units. Bilingual (English / Spanish), ad-free and accurate.

Why ResinCalc? Free, no registration, and the only one that breaks a deep pour into safe layers instead of just giving you a single total.

  • OnePatch Landing page
    Landing page //
    2023-09-29

OnePatch is multi-purpose software solution for e-commerce retailers who sell on multiple online selling platforms. With OnePatch, sellers have the solution to organise their product stock, manage their online orders, shipping and accounts all from one simple and effective system, saving valuable time and expanding business growth.

ResinCalc.app

Website
resincalc.app
Pricing URL
-
$ Details
free
Platforms
Web Browser
Release Date
2026 May
Startup details
Country
España
State
Madrid
City
Madrid
Employees
1 - 9
Edit details

OnePatch

Website
onepatch.com
Pricing URL
Official OnePatch Pricing
$ Details
free £100 / Usage
Platforms
-
Release Date
2022 March
Edit details

ResinCalc.app features and specs

  • Exact resin amount
    Calculates the precise grams (or oz) of resin + hardener for your piece, with a waste margin.
  • A:B mixing ratio
    Splits the total into part A and part B by weight, using each resin's real ratio.
  • Automatic layer pour plan
    Breaks deep pours into safe layers with grams and timing per layer — not just one total.
  • Curing & pot-life times
    Shows working time and curing times so you mix only what you can pour in time.
  • Shapes & units
    Rectangle, circle, oval and irregular shapes; metric or imperial (mm/cm/m, in/ft).
  • Free & no sign-up
    Full calculator with no registration, no ads, bilingual (English / Spanish).

OnePatch features and specs

  • Centralized Platform
    OnePatch offers a centralized platform to manage multiple e-commerce stores, which can save time and reduce the complexity of handling different accounts separately.
  • Inventory Management
    It provides efficient inventory management tools that help businesses track stock levels across all connected platforms in real-time, reducing the risk of overselling.
  • Order Processing
    The system streamlines order processing by synchronizing orders from various channels, which can enhance fulfillment efficiency and customer satisfaction.
  • Multichannel Support
    OnePatch supports integration with multiple e-commerce platforms and marketplaces, allowing businesses to expand their reach effectively.
  • User-Friendly Interface
    The software is designed with an intuitive user interface, making it easier for users to navigate and manage their e-commerce operations.
  • Automation Features
    It includes automation features that reduce manual work, such as automated order updates and inventory syncing, freeing up more time for strategic tasks.

Possible disadvantages of OnePatch

  • Pricing Structure
    Depending on the size of the business and the number of integrations required, the cost can be relatively high for small businesses compared to similar tools.
  • Learning Curve
    Despite its user-friendly design, new users may still face a learning curve, especially when integrating multiple channels and configuring custom settings.
  • Limited Advanced Features
    Some businesses may find that OnePatch lacks certain advanced features needed for more complex operations, requiring additional tools or software.
  • Customer Support
    While support is available, there may be limitations in response time or availability, which can be challenging for businesses in urgent need of assistance.
  • Dependency on Internet Connection
    As a cloud-based solution, OnePatch requires a stable internet connection to function effectively, which could be a drawback in areas with unreliable connectivity.

Analysis of ResinCalc.app

Overall verdict

  • ResinCalc.app appears to be a niche calculator tool designed for resin crafters and hobbyists to determine mixing ratios and quantities, though I don't have verified, up-to-date details on this specific site's current reliability, accuracy, or user reviews.

Why this product is good

  • Provides a specialized, purpose-built calculator rather than requiring manual math for resin ratios
  • Likely helps reduce material waste by calculating precise resin and hardener amounts
  • Web-based tool means no downloads or installations needed for quick access
  • Free or low-cost tools like this are typically accessible to hobbyists on a budget

Recommended for

  • Resin art hobbyists needing quick mixing ratio calculations
  • DIY crafters working on small to medium resin projects
  • Beginners who want to avoid manual math errors when mixing resin
  • Casual users looking for a free, simple utility rather than professional-grade software

ResinCalc.app videos

No ResinCalc.app videos yet. You could help us improve this page by suggesting one.

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OnePatch videos

+ Add

Multi Channel Ecommerce Invoicing

More videos:

  • Review - Multi-channel E-commerce Integration
  • Review - Multi Channel Ecommerce Inventory Management | Best Inventory Management Software | OnePatch
  • Review - How Does OnePatch Manage OnBuy Integration | Multi-Channel Ecommerce Software | OnePatch
  • Review - Best Multichannel Listing Software | Multi Channel Ecommerce Product Listing Tool | OnePatch

Category Popularity

0-100% (relative to ResinCalc.app and OnePatch)

ResinCalc.app

OnePatch

Art
100 100%
Art
0% 0
eCommerce
0 0%
eCommerce
100% 100
Online Calculators
100 100%
Online Calculators
0% 0
Order Management
0 0%
Order Management
100% 100

Questions & Answers

As answered by people managing ResinCalc.app and OnePatch.

How would you describe the primary audience of your product?

ResinCalc.app's answer

Makers, woodworkers (hobbyist and professional) and crafters working with epoxy:

  • River tables and deep pours
  • Jewelry, coasters and fluid art
  • Molds, floors and countertops

Anyone who needs an exact resin amount and doesn't want to guess or waste expensive resin.

Which are the primary technologies used for building your product?

ResinCalc.app's answer

  • Astro — static site generation
  • TypeScript + vanilla JavaScript for the calculator
  • Plain CSS, no front-end framework
  • Deployed on Vercel

Who are some of the biggest customers of your product?

ResinCalc.app's answer

  • Not applicable — ResinCalc is a free public tool with no customer accounts.

Why should a person choose your product over its competitors?

ResinCalc.app's answer

Most resin calculators are a single field buried inside a manufacturer's store, and they only output one total weight. ResinCalc is free, independent and ad-free, and it gives you the full picture:

  • Exact amount of resin + hardener, with a waste margin
  • A:B ratio by weight, split into each part
  • Curing & pot-life times so you only mix what you can pour in time
  • Automatic layer plan for deep pours — the step where people run short or trap heat

Plus it's bilingual and works on mobile without registration.

What makes your product unique?

ResinCalc.app's answer

It's the only free epoxy resin calculator that turns a deep pour into a safe, layer-by-layer plan — with the exact grams and timing for each layer — instead of just giving you a single total.

It also handles:

  • Any shape — rectangle, circle, oval or irregular
  • Metric or imperial units (mm/cm/m, in/ft)
  • No sign-up, no ads, bilingual (English / Spanish)

What's the story behind your product?

ResinCalc.app's answer

I kept seeing makers either run short halfway through a pour or waste expensive resin by over-mixing — and the existing calculators only gave a rough total, with nothing for deep pours that have to be done in layers.

I built ResinCalc to fix that: the exact amount, the A:B split and an automatic layer plan — free, no sign-up, in both English and Spanish.

User comments

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What are some alternatives?

When comparing ResinCalc.app and OnePatch, you can also consider the following products

Getcalc - getcalc.com - online calculators, formulas & work with steps (step by step calculation) for expressions, statistics, probability, finance, health, geometry, general purpose & engineering calculations along with basic & scientific calculators.

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Epoxy - Software which creates PCB, and allows to create your electronic cards from elementary tools and...

Resin - Resin is a modern and secure web and Java Application server developed under Caucho Technology.

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