Fauna
Upstash
| Feature | ||
|---|---|---|
| Pricing | Free / from $0.01/mo | Free / from $0.2/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.1 / 5 | 4.4 / 5 |
| Best For | serverless-developers, jamstack-apps, globally-distributed-apps, startups | serverless-developers, next-js-developers, edge-functions, rate-limiting |
| Founded | 2012 | 2021 |
| Acid Transactions | ✓ | ✗ |
| Document Relational | ✓ | ✗ |
| Graphql Native | ✓ | ✗ |
| Global Distribution | ✓ | ✗ |
| Event Streaming | ✓ | ✗ |
| Multi Tenancy | ✓ | ✗ |
| Temporality | ✓ | ✗ |
| Serverless Redis | ✗ | ✓ |
| Kafka Messaging | ✗ | ✓ |
| Vector Database | ✗ | ✓ |
| Global Replication | ✗ | ✓ |
| Rest Api | ✗ | ✓ |
| Qstash Scheduling | ✗ | ✓ |
| Rate Limiting | ✗ | ✓ |
✓ Fauna Pros
- Globally distributed with strong consistency
- Combines document and relational models
- Native GraphQL and FQL query support
- Serverless with no infrastructure to manage
✗ Fauna Cons
- Proprietary query language (FQL) has learning curve
- Can be expensive at high read/write volumes
- Smaller community compared to MongoDB or PostgreSQL
✓ Upstash Pros
- True serverless with per-request pricing
- Redis-compatible API for caching and rate limiting
- Global replication for low-latency access
- Built for serverless and edge environments
✗ Upstash Cons
- Performance slightly lower than dedicated Redis
- Costs can spike with unexpected traffic
- Not a full database replacement
The Verdict
Fauna is built for serverless developers and jamstack apps, with a focus on acid-transactions and document-relational. Upstash targets serverless developers and next js developers and leads with serverless-redis and kafka-messaging.
Both tools come in at similar price points ($0.01/mo for Fauna, $0.2/mo for Upstash), so pricing won't make the decision for you.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Upstash edges out on user ratings (4.4 vs 4.1). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Both tools are a solid fit for serverless developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
Bottom line: Upstash has a slight overall edge — but if globally distributed with strong consistency matters most to you, Fauna may still be the right call.