Software Alternatives & Startups

Qalculate! VS SQL Developer Data Modeler

Compare Qalculate! VS SQL Developer Data Modeler and see what are their differences

Qalculate!

Qalculate! is a multiplatform multi-purpose desktop calculator.

Rating
0 reviews
Pricing
Open source
SQL Developer Data Modeler

Oracle SQL Developer Data Modeler is a free graphical tool that simplifies data modeling tasks.

Rating
0 reviews
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! seems to be more popular. It has been mentioned 35 times since March 2021.

social mentions
35 vs 0
Calculators popularity
100% vs 0%
alternatives listed
176 vs 52

Base details

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

Qalculate!
SQL Developer Data Modeler
Website qalculate.github.io oracle.com
Pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Qalculate! 7 features
SQL Developer Data Modeler 5 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.
  • Comprehensive Modeling Features
    SQL Developer Data Modeler provides a wide range of features for data modeling, including logical, physical, multi-dimensional, and data-type modeling, which allows users to handle complex database structures efficiently.
  • Integration with Oracle Products
    Being part of the Oracle ecosystem, SQL Developer Data Modeler offers seamless integration with other Oracle products, ensuring smooth workflows for users who operate within this ecosystem.
  • Visual Diagramming Tools
    The tool offers robust diagramming capabilities for visual representation of data models, which helps in better understanding and communicating database designs.
  • Reverse Engineering
    SQL Developer Data Modeler allows for reverse engineering of existing databases, enabling users to generate models from existing database schemas, which helps in documentation and analysis.
  • Version Control Integration
    It supports integration with version control systems, allowing users to manage changes and collaborate effectively on database model development.

Possible disadvantages

  • Complexity for Beginners
    The comprehensive features and capabilities of SQL Developer Data Modeler can be overwhelming for beginners, often requiring a steep learning curve to become proficient.
  • Performance Issues
    Users have reported performance lags, especially when handling large data models, which can hinder productivity in complex projects.
  • Limited Non-Oracle Support
    While it integrates well with Oracle products, users working with non-Oracle databases may find limited support and functionality when using SQL Developer Data Modeler.
  • User Interface Complexity
    The user interface can be complex and cluttered for new users, making it challenging to navigate and utilize effectively without prior experience.
  • Cost Implications
    Depending on the licensing and usage, there might be cost implications, especially for organizations not already using Oracle products, which may find it less cost-effective compared to other tools.

Analysis

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

Qalculate!
SQL Developer Data Modeler

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 SQL Developer Data Modeler yet.

Videos

Walkthroughs and reviews on video.

Qalculate! 1 video + Add
SQL Developer Data Modeler 2 videos + Add

DSP Raspberry Pi 4 Qalculate! Install

SQL Developer Data Modeler Just what you need

More videos

  • - Creating Logical models using SQL Developer Data Modeler

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!
SQL Developer Data Modeler
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 SQL Developer Data Modeler. 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
SQL Developer Data Modeler no reviews yet

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

  • Top 9 Data Modeling Tools Every Team Needs
    www.devart.com · Jul 2025

    Oracle SQL Developer Data Modeler is a free data modeling tool provided by Oracle. Its purpose is to let the users create, manage, and browse data models easily. It offers a robust suite of tools, including SQL...

Social recommendations and mentions

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

Qalculate! 35 mentions
SQL Developer Data Modeler 0 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

View more

Tracking SQL Developer Data Modeler since Mar 2021.

Alternatives to Qalculate! and SQL Developer Data Modeler

When comparing Qalculate! and SQL Developer Data Modeler, you can also consider the following products.