Firebase alternatives
TL;DR: 12 companies doing similar work to Firebase in B2B, ranked by how closely they match what Firebase actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Firebase. They are scored on how closely their own description overlaps with Firebase's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Firebase?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Dialogus | voice AI agents that learn how your company actually works | Summer 2026 | 3 | Active |
| Cloudant | NoSQL Database-aaS. Acquired by IBM in 2014. Now IBM Cloud Data… | Summer 2008 | 51 | Acquired |
| Pixate | Mobile application prototyping. Now part of Google. | Summer 2012 | 10 | Acquired |
| Apportable | iOS porting | Winter 2011 | 51 | Acquired |
| Tapzilla | Woot for iOS apps. | Summer 2010 | 2 | Acquired |
| Reflex | Build the software you wish existed. | Winter 2023 | 15 | Active |
| Context.dev | Web data API for agents | Summer 2026 | 6 | Active |
| Hipmob | Customer communication for iOS and Android developers - an in-app… | Winter 2012 | 2 | Inactive |
| Nextop | Nextop optimizes the path between your app and backend. Client… | Winter 2015 | 2 | Inactive |
| Limrun | Extend cloud sandboxes with iOS, Android and more | Spring 2026 | 1 | Active |
Is Firebase still active?
Firebase has been acquired, which often means pricing, roadmap or support changes. That is the usual reason people start looking at this list.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Firebase. They are then ranked on how closely their own description overlaps with Firebase's, so the closest matches come first rather than whoever happens to share a tag.