
SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.

Supabase
Android Studio
AppWrite
Back4App
Xcode
Socket.io
Vercel
Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Which is more popular?
Based on our record, Firebase seems to be more popular. It has been mentioned 286 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | extendsclass.com | firebase.google.com |
| Pricing | — | |
| Company | 2022 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
No description of Firebase yet.
What each product offers, as listed by its team.


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


No analysis of ExtendsClass SQL Online yet.
Overall verdict
Why this product is good
Recommended for
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Is Firebase a Good Long Term Solution?
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Share your experience with using ExtendsClass SQL Online and Firebase. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Firebase: Google’s longstanding BaaS platform. Popular for mobile and web backends, real-time data, and increasingly AI-assisted development through Firebase Studio. Strong for rapid app delivery, but more complex...
It proudly calls itself the “open-source Firebase alternative,” and for good reason. Supabase gives you the power of a PostgreSQL database, authentication, instant APIs, real-time subscriptions, and more – all without...
Data Export:Backup Your Data: Begin by creating backups of all your data stored in Firebase. This ensures you have a safe copy in case anything goes wrong during the migration.Export Data: Use Firebase's data export...
Recommendations tracked on public social media and blogs since March 2021.


Tracking ExtendsClass SQL Online since Oct 2022.
Back in 2019, Google Firebase was becoming very popular. I was especially interested in the real-time capabilities — they had just launched Firestore and I wanted to give it a try. I thought it would be fun to build a small tool for my... - Source: dev.to / 5 months ago
Then you log into Firebase and see it: The dreaded red box. Your APNs certificates have expired. - Source: dev.to / 6 months ago
Persistence: Firebase for seamless Google Authentication and session management. - Source: dev.to / 6 months ago
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Android development environment based on IntelliJ IDEA
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Free Online SQL Editor
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