Software Alternatives & Startups

Qalculate! VS DrawSQL

Compare Qalculate! VS DrawSQL and see what are their differences

Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.

Rating
0 reviews
Pricing
Open source
DrawSQL

Easy database diagrams. Create, visualize and collaborate on your database entity relationship diagrams.

Rating
0 reviews
Pricing
Freemium $15 / Monthly
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, Qalculate! should be more popular than DrawSQL. It has been mentioned 35 times since March 2021.

social mentions
35 vs 12
Calculators popularity
100% vs 0%
alternatives listed
176 vs 124

Base details

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

Qalculate!
DrawSQL
Website qalculate.github.io drawsql.app
Pricing
Open source
Freemium $15 / Monthly Official pricing
Platforms
Browser
Company 2018
Listed in

About Qalculate! and DrawSQL

In their own words, as submitted to SaaSHub.

Qalculate!
DrawSQL

No description of Qalculate! yet.

DrawSQL is a simple, beautiful database diagram editor for developers to 🚧 create, 💬 collaborate and 👀 visualize their entity relationship diagrams.

Read more about DrawSQL

Features and specs

What each product offers, as listed by its team.

Qalculate! 7 features
DrawSQL 3 features
  • Versatility
    Qalculate! supports a wide range of calculations, including basic arithmetic, algebra, calculus, and complex mathematical functions, making it suitable for various users from students to professionals.
  • Extensive Unit Conversions
    It provides extensive support for unit conversions across different measurement systems, which is very useful for scientific and engineering computations.
  • Currency Conversion
    The tool includes real-time currency conversion capabilities, allowing users to perform financial calculations with current exchange rates.
  • Customizability
    Users can define their own functions and variables, offering a high degree of customization to cater to specific needs.
  • User-Friendly Interface
    Qalculate! features an intuitive and user-friendly interface, making it accessible even to those who are not highly technically proficient.
  • Cross-Platform
    It is available on multiple operating systems, including Windows, macOS, and Linux, ensuring accessibility for a wide user base.
  • Free and Open Source
    Being open-source and free to use, it offers a cost-effective solution compared to commercial software without compromising on features.

Possible disadvantages

  • Learning Curve
    Despite its user-friendly interface, the vast array of features and functionalities may present a steep learning curve for new users.
  • Documentation
    While there is documentation available, it may not be as comprehensive or as user-friendly as some users might require, making it challenging to fully utilize all features.
  • Performance
    For very large or complex calculations, the performance might not be as robust or fast as some specialized or commercial tools.
  • GUI Limitations
    The graphical user interface (GUI) might have limitations in presenting very complex calculations or notations as compared to some professional-grade mathematical software.
  • Lack of Community Support
    Being a niche tool, it may not have as large of a community for support and resources as more popular commercial alternatives.
  • Easy to Set-up and use
  • Clean UI
  • Free Trial

Analysis

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

Qalculate!
DrawSQL

Overall verdict

  • Yes, Qalculate! is considered a good tool by many users, especially those who require more than a basic calculator. Its powerful features and ease of use make it a valuable tool for anyone needing a reliable and multifunctional calculator.

Why this product is good

  • Qalculate! is highly regarded for its versatility as a desktop calculator program. It offers a wide range of mathematical functions, unit conversions, and a user-friendly interface. It's particularly noted for its ability to handle complex calculations, customizable features, and comprehensive library of functions, making it suitable for both casual and advanced users. Additionally, it's open-source, which allows for community contributions and improvements.

Recommended for

    Qalculate! is recommended for students, engineers, scientists, and anyone who requires a robust computing tool for everyday calculations, unit conversions, and advanced mathematical functions. It's also ideal for users who appreciate open-source software and those looking for a customizable and comprehensive calculator.

No analysis of DrawSQL yet.

Videos

Walkthroughs and reviews on video.

Qalculate! 1 video + Add
DrawSQL 1 video + Add

DSP Raspberry Pi 4 Qalculate! Install

DrawSQL: Create and visualize beautiful database entity relationship diagrams.

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
Qalculate!
DrawSQL
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Qalculate! and DrawSQL. 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.

Qalculate! no reviews yet
DrawSQL no reviews yet

We have no reviews of Qalculate! yet. Be the first one to post

  • Best Database Diagram Tools – Free and Paid
    blog.devart.com · Dec 2025

    Web tools like dbdiagram.io, DrawSQL, and SqlDBM are ideal for remote teams, quick access, and easy sharing. They run in the browser, require no setup, and often include real-time collaboration. Desktop tools like...

  • 8 Best Database Design Tools in 2025
    www.devart.com · Aug 2025

    DrawSQL is a fast and user-friendly tool designed for creating, visualizing, and designing ER diagrams. It enables users to analyze relationships among database objects and generate SQL (DDL) scripts to convert...

Social recommendations and mentions

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

Qalculate! 35 mentions
DrawSQL 12 mentions
  • My thousand dollar iPhone can't do math
    Qalculate is my favourite REPL-like calculator, although it unfortunately lacks an iOS app. It feels similar to using an HP 48-series calculator. Numbat is similar, but more... - Source: Hacker News / 8 months ago
  • Show HN: Unsure Calculator – back-of-a-napkin probabilistic calculator
    Https://qalculate.github.io can do this also for as long as I've used it (only a couple years to be fair). I've got it on my phone, my laptop, even my server with the qalc command. Super convenient, supports everything from unit... - Source: Hacker News / over 1 year ago
  • Frink
    Interesting project. I use command line Qalculate [1] for this (has a very similar feature set to Frink AFAICT) and Pint [2] for scripting. I feel like unit-aware calculators are hugely underused by physical engineers, it's the same idea... - Source: Hacker News / over 1 year ago

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  • AI assistance in Development
    With this, I went for designing the db. I went to http://drawsql.app/ and created my first draft. Then exported the DDL and did a bit of back and forth with AI. This is the final draft of the database:. - Source: dev.to / 10 months ago
  • How Changing Requirements Shape the Infrastructure of a Software Project
    So I started designing the DB using this cool tool. The project has 2 tables, users and categories . The user can create many categories as he wants so the first approach I took was creating a third table, a union table to store user_id... - Source: dev.to / over 1 year ago
  • Creating Diagrams and Databases with Online Tools
    Once you have generated the SQL code, you can convert it into a relational schema (the graphical table model) using DrawSQL. This tool offers:. - Source: dev.to / over 1 year ago

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Alternatives to Qalculate! and DrawSQL

When comparing Qalculate! and DrawSQL, you can also consider the following products.