ArangoDB vs Firebase Firestore: Which is Better in 2026?
Choosing between ArangoDB and Firebase Firestore comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Firebase Firestore wins this matchup. MongoDB is our overall Managed Databases pick. MongoDB is our free Managed Databases pick. Pick ArangoDB if you need its specific feature set.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
ArangoDB
Multi-model database for graphs, documents, and key-value
Best for you if:
- • You want multi-model database
Firebase Firestore
Flexible, scalable NoSQL cloud database
Best for you if:
- • You want a free tier before you commit
| At a Glance | ArangoDB | Firebase Firestore |
|---|---|---|
Starts at | $0.2/hour Oasis | Free Free plan |
Category | Data & Databases Managed Databases | Data & Databases Cloud & Infrastructure |
Rating | 4.5/5 G2 4.6 · Capterra 4.0 116 reviews | 3.6/5 Capterra 4.6 · Trustpilot 2.5 19 reviews |
Free plan | No | Yes |
Watch out for | n/a | Indexing can consume storage and impact performance. |
Choose ArangoDB or Firebase Firestore?
Choose ArangoDB if
- You want multi-model database
- You want graph + document + K/V
Choose Firebase Firestore if
- You want a free tier before you commit
- You want NoSQL database
- You want real-time sync
In-Depth Analysis
ArangoDB
Multi-model database for graphs, documents, and key-value
ArangoDB's pricing is quite generous, offering a robust Community edition for free and a flexible Oasis managed service starting at $0.20/hour.
Strengths
- Pro: Multi-model database
- Pro: Graph + document + K/V
- Pro: Good performance
- Pro: AQL query language
- Pro: Open source
Weaknesses
- Con: Smaller community
- Con: Learning curve
- Con: Less known
- Con: Documentation gaps
- Con: Ecosystem smaller
Key features
Firebase Firestore
Flexible, scalable NoSQL cloud database
Firebase Firestore offers a very generous free Spark tier, making it highly accessible for small projects and development.
Watch out
Indexing can consume storage and impact performance.
Strengths
- Pro: NoSQL database
- Pro: Real-time sync
- Pro: Good for mobile
- Pro: Active development
- Pro: Fair pricing
Weaknesses
- Con: Vendor lock-in
- Con: Complex pricing
- Con: Learning curve
- Con: NoSQL limitations
- Con: Google dependency
Key features
Pricing: ArangoDB vs Firebase Firestore
| Plan | ArangoDB | Firebase Firestore |
|---|---|---|
| Tier 1 | Community | Free Spark (Free) |
| Tier 2 | Custom Enterprise | Usage-based Blaze (Pay-as-you-go) |
| Tier 3 | $0.2 hour Oasis | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on ArangoDB pricing and Firebase Firestore pricing.
Key Takeaways
Firebase Firestore
- Free tier available
- Our pick for this comparison
ArangoDB
- Larger review base (116 reviews)
The Bottom Line
Firebase Firestore wins this matchup. MongoDB is our overall Managed Databases pick. MongoDB is our free Managed Databases pick.
Frequently Asked Questions
Is ArangoDB or Firebase Firestore better in 2026?
Firebase Firestore wins this matchup. MongoDB is our overall Managed Databases pick. MongoDB is our free Managed Databases pick. Pick ArangoDB for data & databases workflows (main strength: multi-model database). Pick Firebase Firestore for data & databases workflows (main strength: NoSQL database).
What are ArangoDB and Firebase Firestore used for?
ArangoDB: Multi-model database for graphs, documents, and key-value. Firebase Firestore: Flexible, scalable NoSQL cloud database.
What does ArangoDB cost vs Firebase Firestore?
ArangoDB's paid plans start at $0.2/hour (Oasis). Firebase Firestore pricing is on their site.
What's the main difference between ArangoDB and Firebase Firestore?
ArangoDB's main strength: multi-model database. Firebase Firestore's main strength: NoSQL database.