Software Alternatives, Accelerators & Startups

AppWrite VS Calcumber

Compare AppWrite VS Calcumber and see what are their differences

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.

AppWrite logo AppWrite

Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.

Calcumber logo Calcumber

Calculate in a notebook and share โ€” from everyday math to engineering.
Visit Website
  • AppWrite Landing page
    Landing page //
    2023-09-28
  • Calcumber Usefulness of units when calculating the weight of paper
    Usefulness of units when calculating the weight of paper //
    2026-07-25
  • Calcumber Calcumber interactively embedd on a web page
    Calcumber interactively embedd on a web page //
    2026-07-25
  • Calcumber Showcase from arithmetics to thermodynamics
    Showcase from arithmetics to thermodynamics //
    2026-07-25

Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.

AppWrite

$ Details
Platforms
-
Release Date
-
Startup details
Country
Israel

Calcumber

$ Details
free
Platforms
Web Windows Linux Mac
Release Date
2025 June
Startup details
Country
Switzerland
State
Aargau
City
Staufen
Founder(s)
Samuel Hartmann
Employees
1 - 9

AppWrite features and specs

  • Open Source
    AppWrite is an open-source platform, allowing developers to inspect, modify, and contribute to the code base, ensuring transparency and flexibility.
  • Self-Hosted
    Being self-hosted, AppWrite gives developers complete control over their data and server environment, enhancing security and customization options.
  • Comprehensive Backend
    AppWrite offers a wide range of backend services out-of-the-box, including authentication, database management, storage, and serverless functions, reducing the need for additional third-party services.
  • Multi-Language Support
    AppWrite supports various programming languages, which makes it versatile and developer-friendly, allowing the integration with different tech stacks.
  • Community and Documentation
    AppWrite has an active community and well-documented guides, tutorials, and API references, which are essential for learning and troubleshooting.

Possible disadvantages of AppWrite

  • Resource Intensive
    Being a self-hosted solution, AppWrite may require significant server resources for optimal performance, which can be costly.
  • Initial Setup Complexity
    The initial setup and configuration can be complex and time-consuming, particularly for those less experienced with server management.
  • Limited Third-Party Integrations
    As compared to some other backend-as-a-service (BaaS) platforms, AppWrite has fewer pre-built third-party integrations, which might limit its extensibility.
  • Newer and Evolving
    AppWrite is relatively new and still evolving, which can mean fewer features compared to more mature platforms and the potential for more bugs.
  • Maintenance Responsibility
    Since it is self-hosted, the responsibility for server maintenance, updates, and security falls solely on the user, which can be a drawback for smaller teams or solo developers.

Calcumber features and specs

  • ๐ŸŒฟ Naturally type expressions
    get immediate results
  • ๐Ÿ”— Copy and share
    keep calculations editable with a link
  • ๐Ÿงฉ Variables and constants
    pi, e, G, mu0
  • ๐Ÿงช Scientific functions
    sin, acos, log, round, and more
  • โ™จ๏ธ Thermodynamic fluid properties
    refrigeration, heat pumps, steam and air
  • ๐Ÿ’ก Installation optional
    run directly in your browser
  • ๐Ÿ“ฑ Multi-platform
    WebApp, Windows, more to come

Analysis of AppWrite

Overall verdict

  • AppWrite is a solid option for developers looking for an open-source backend solution with robust features. Its well-documented APIs and active community support make it a viable choice for both small projects and growing applications.

Why this product is good

  • AppWrite is considered a good choice, particularly for its comprehensive backend-as-a-service (BaaS) features that cater to web and mobile developers. It provides a suite of services such as user authentication, databases, file storage, and serverless functions, allowing developers to streamline their development process. Its open-source nature means developers have access to the full code base and the community-drive contributions, ensuring transparency and continuous improvements. AppWrite also emphasizes developer experience, offering easy integration with client-side SDKs and providing extensive documentation.

Recommended for

    AppWrite is recommended for developers building applications who require a scalable backend solution without the overhead of managing infrastructure. It is particularly suited for developers who prefer open-source platforms and those who want to avoid vendor lock-in. AppWrite's features make it a good fit for startups, hobby projects, and even educational purposes where full control over the backend is desirable.

Category Popularity

0-100% (relative to AppWrite and Calcumber)
Developer Tools
100 100%
0% 0
Online Calculators
0 0%
100% 100
Backend As A Service
100 100%
0% 0
Education
0 0%
100% 100

Questions & Answers

As answered by people managing AppWrite and Calcumber.

Why should a person choose your product over its competitors?

Calcumber's answer:

  • Sharing calculations and embedding them in documents or web pages is perfect for education.
  • Natural unit support, just include them in your expression and Calcumber handles it.
  • Free and easy access to thermodynamic fluid-properties.

What makes your product unique?

Calcumber's answer:

  • Easy to use calculator notebook
  • From simple arithmetic to advanced engineering with units
  • Installation optional
  • Send calculation link with full privacy
  • Embed calculation templates, exercices and soultions in documents or interactively in web pages

What's the story behind your product?

Calcumber's answer:

When starting for a Master of Advances Study in Energy Systems, I was looking for a suitable state-of-the-art calculator. Then I built my own Calculator Calcumber and now the Eastern Switzerland University of Applied Sciences is using Calcumber for teaching students in thermodynamics.

How would you describe the primary audience of your product?

Calcumber's answer:

  • The notebook-style calculator is great for everybody who wants more than just a single line calculator.
  • The sharing and embedding features make it Calcumber very well suited for teachers and students. The power of consistently using units is shown immediatly.
  • Engineers will like the unit support, sharing calculations with collegues and if needed the built-in fluid properties calculation.

Which are the primary technologies used for building your product?

Calcumber's answer:

HTML, CSS, TypeScript, PWA, CoolProp

Who are some of the biggest customers of your product?

User comments

Share your experience with using AppWrite and Calcumber. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare AppWrite and Calcumber

AppWrite Reviews

  1. Appwrite is awesome, free and open-source!

    I've use it instead of Firebase on a 15$ DigitalOcean droplet and saved around ~$150 a month. Managing my own infra does take some extra time, but definitely worth it. The APIs and SDK are also surprisingly much easier to consume than Firebase. Waiting for the cloud version.

    ๐Ÿ Competitors: Firebase
    ๐Ÿ‘ Pros:    Easy to use|Cost effective|Open-source|Great user experience|Super simple|Self hosted
    ๐Ÿ‘Ž Cons:    Self hosted

10 Top Firebase Alternatives to Ignite Your Development in 2024
Appwriteโ€™s self-hosted nature gives you complete control over your data and infrastructure, great for those who are security-conscious. It also offers a comprehensive set of features, including user authentication, database management, storage, cloud functions, and more. Itโ€™s like having your very own Firebase, but on your terms.
Source: genezio.com
Top 7 Firebase Alternatives for App Development in 2024
Appwrite is an open-source backend-as-a-service platform that provides a comprehensive set of tools and APIs to help developers build modern applications. It focuses on simplicity and developer experience.
Source: signoz.io
Best Serverless Backend Tools of 2023: Pros & Cons, Features & Code Examples
Appwrite is a self-hosted BaaS platform giving you all the tools you need to build all sorts of application.
Source: www.rowy.io
2023 Firebase Alternatives: Top 10 Open-Source & Free
Appwrite permits the development to benefit from its open-source version without paying anything. However, its official website also declares that it will share the pricing details for Appwrite Cloud soon.
12 Best Open-source Database Backend Server and Google Firebase Alternatives
Appwrite is a self-hosted backend server for building web, mobile and desktop apps. It supports multiple applications natively without hacks or workarounds.It features a dashboard for apps, database, user, functions and storage management, real-time analytics per project, live connections monitor, background tasks and webhooks.Appwrite also is suitable for creating Geo-data...
Source: medevel.com

Calcumber Reviews

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

Social recommendations and mentions

Based on our record, AppWrite seems to be more popular. It has been mentiond 178 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

AppWrite mentions (178)

  • Creating a Chatbot that actually Stands Out! (vibe coded version)๐Ÿฆ–
    Initially, I was using the Supabase free tier, but I was hitting the limits, and my app was becoming stale. Then I switched to Appwrite. Both are totally different; one is SQL, while the latter one is NoSQL. Although use node-appwrite package to skip the manual schema add-ons. - Source: dev.to / 6 months ago
  • The future of coding: Cursor, AI, and the rise of backend automation with Appwrite
    Appwrite is an open-source platform that simplifies backend setup by providing authentication, databases, storage, functions, and hosting all in one place. - Source: dev.to / 9 months ago
  • How to Use Appwrite in Android Jetpack Compose
    I love Appwrite. My first hackathon was actually from Appwrite (using Appwrite) 2 years ago, and I've been using it ever since. - Source: dev.to / about 1 year ago
  • Ask HN: Who is hiring? (July 2025)
    Appwrite | Remote | Platform Engineers, AI, Interns | https://www.appwrite.careers Appwrite (https://appwrite.io) is an open-source backend platform that helps developers build secure web and mobile apps faster. Weโ€™re hiring engineers across multiple teams to improve infrastructure, expand developer tooling, and scale our platform. Open roles: โ€“ Platform Engineer. - Source: Hacker News / about 1 year ago
  • Build a React File Sharing App with Granular Access Controls (ReBAC)
    Appwrite is a backend-as-a-service platform that provides authentication, storage, and database. Appwrite is used for authentication and storage. - Source: dev.to / over 1 year ago
View more

Calcumber mentions (0)

We have not tracked any mentions of Calcumber yet. Tracking of Calcumber recommendations started around Jul 2026.

What are some alternatives?

When comparing AppWrite and Calcumber, you can also consider the following products

Supabase - An open source Firebase alternative

Numara Calculator - A simple but powerful notepad calculator which evaluates expressions as you type.

Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donateย .

Clerk - Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.