
Firebase
Heroku
CouchBase
Parse
Kuzzle
Kumulos
AWS Amplify
Low code backend to build apps faster and scale easily.

Avataaars Generator
Wasmer
QuickJS
Kata Containers
Lapce
Productivity Power Tools
Medium
Extism is the open source, universal plug-in system. Extend all the software everywhere! Powered by WebAssembly.

Which is more popular?
Based on our record, Extism seems to be a lot more popular than Back4App. While we know about 25 links to Extism, we've tracked only 1 mention of Back4App.
Website, pricing, platforms and company facts side by side.
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| Website | back4app.com | extism.org |
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In their own words, as submitted to SaaSHub.


Back4App supports developers and companies to accelerate backend development, improve development productivity, reduce time to market, and scale applications without managing infrastructure.
No description of Extism yet.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Back4App is recommended for startups, indie developers, and enterprises that require a reliable and cost-effective backend service to rapidly develop and deploy applications. It is ideal for those who prefer not to manage their own servers or infrastructure and for projects that need quick scalability and real-time data management, such as social apps, mobile applications, and IoT solutions.
No analysis of Extism yet.
Walkthroughs and reviews on video.
Serverless GraphQL #01 - Introduction to GraphQL on Parse using Back4App
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Back4App and Extism. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Documentation and Guides:Official Docs: Refer to the official documentation of your chosen platform. For instance, Back4App and Parse have extensive guides on migrating from Firebase.Community Forums: Engage with...
Back4app is undoubtedly one of the most intriguing and high-quality free platforms for developing mobile and online apps.
Companies and development teams can definitely choose Back4App, a Firebase alternative, because it can process more than 3.5 billion requests on a monthly basis. Correspondingly, if you want Firebase-like services...
We have no reviews of Extism yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I'm using back4app.com which is a cloud service for parse server, you can fire cloud code using node. Recently they introduce containers, but I didn't use it. Source: over 3 years ago
Technically WASI 0.1, but I used it (via Extism[0]) to implement a simple login library[1] that works in Rust, Go, and Node. Would be trivial to add other lanugages supported by Extism. Overall I loved the dev experience. [0]:... - Source: Hacker News / 3 months ago
I tinkered with https://extism.org and basically the use case is that they suggest, namely you can extend software in another programming language but without having to setup a container or VMs on the client. They "just" run the code in... - Source: Hacker News / 3 months ago
Check out https://extism.org, it is built for those kinds of use cases. However I think WASI and components could enhance it. - Source: Hacker News / 3 months ago
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