Compare 43 free databases tools, free tiers, and developer deals. 1 is not a free offer. Verified pricing for Koyeb, Supabase, Neon, MongoDB Atlas, CockroachDB and more.
What this name holds: Hosted databases and the platforms sold around them — relational, document, key-value and vector.
2 other names here answer “where do I put the data and query it”, and each holds a different list: Headless CMS (15), Search (6).
We track 43 databases services with free tiers. Koyeb leads with 1 GB. This category has seen some movement — 26 pricing changes recorded across vendors.
| Vendor | Tier | Description | Verified |
|---|---|---|---|
| Koyeb | Free (Database Only) | Free Postgres database (0.25 vCPU, 1 GB RAM, 1 GB storage, 5 hr/month runtime). No free compute tier — Pro plan starts at $29/month with $10 included compute. | 2026-08-13 |
| Supabase | Free | Superseded: As of 2026-09-03, supabase.com/pricing reads: The free tier includes unlimited API requests, 50,000 monthly active users, 500 MB database size, 5 GB egress, 1 GB file storage. Free projects are paused after 1 week of inactivity. Paid plans include $10/mo in compute credits. We are not publishing our stored Supabase terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓ | 2026-08-17 |
| Neon | Free | Serverless Postgres with branching — free tier includes 100 CU-hours/month per project, 0.5 GB storage per project, up to 100 projects, 10 branches per project, Neon Auth (60K MAU), auto-scaling up to 2 CU, scale-to-zero | 2026-09-01 |
| MongoDB Atlas | M0 Free | Free 512 MB shared cluster (M0), always free, available on AWS/Azure/GCP. Includes Atlas Vector Search for AI/RAG applications | 2026-09-05 |
| CockroachDB | Basic | Free serverless distributed SQL — 50M Request Units + 10 GiB storage/month, scales to zero | 2026-08-31 |
| Turso | Free | Edge SQLite — 100 databases, 5 GB storage, 500M rows read/month, 10M rows written/month free | 2026-08-11 |
| Upstash | Free | Serverless Redis — 500K commands/month (256MB data). Vector: 10K vectors free. QStash: 1,000 messages/day free | 2026-08-23 |
| Firebase | Spark | Full BaaS — Auth (50K MAU), Firestore (1 GiB storage, 50K reads/day), Cloud Functions (2M invocations/month), Hosting, Analytics, Crashlytics all free | 2026-08-25 |
| Databricks (Lakeflow Connect) | Free | Azure Databricks Lakeflow Connect — managed data ingestion. Free tier: 100 DBUs/day per workspace (~100M records/day). Supports 40+ data sources including SQL Server, PostgreSQL, MySQL, Salesforce, Sharepoint, Google Sheets. Serverless compute included | 2026-08-12 |
| Convex | Free | Reactive backend — 1M function calls/month, 0.5 GB database + vector storage, 1 GB file storage, real-time sync | 2026-08-20 |
| Appwrite Cloud | Free | Open-source BaaS — 75K MAU, 2 GB storage, 750K function executions/month, 5 GB bandwidth, 1 database, 1 bucket and 2 functions per project. Limit of 2 projects. Projects pause after 1 week of inactivity | 2026-08-23 |
| Aiven | Free | Managed PostgreSQL, MySQL, or Valkey (Redis-compatible) — 1 CPU, 1 GB RAM, 1 GB disk per service. No time limit | 2026-08-28 |
| Xata | Free | Open-source Postgres platform (Apache 2.0) with copy-on-write branching and scale-to-zero. Self-hosted on Kubernetes — free forever. Managed platform is now paid (compute + storage billed hourly); 14-day free trial with $100 credit on the commercial tier. | 2026-08-22 |
| Cloudflare D1 | Free | SQLite at the edge — 5M rows read/day, 100K rows written/day, 5 GB total storage. Resets daily at midnight UTC | 2026-09-01 |
| Nhost | Free | Open-source Firebase alternative with Postgres + Hasura GraphQL — 1 GB database, 1 GB storage, 5 GB bandwidth free | 2026-08-25 |
| PocketBase | Free | Open-source backend in a single Go binary — SQLite database, real-time subscriptions, built-in auth (email, OAuth2), file storage (S3-compatible), REST API. Completely free and self-hosted, no vendor lock-in. Single executable, no dependencies | 2026-08-11 |
| Hasura Cloud | Free | Hasura DDN Free plan — unlimited API requests, unlimited concurrent users, unlimited models at any scale. Includes full GraphQL API (filtering, pagination, sorting, aggregations), database/code/API connectors, and CI/CD tools. Limits: 1 supergraph developer, 15-minute observability retention. | 2026-08-22 |
| Cloudflare KV | Free | Superseded: As of 2026-09-02, developers.cloudflare.com/kv/platform/pricing reads: Free plan includes 100,000 keys read/day, 1,000 keys written/day, 1,000 keys deleted/day, 1,000 list requests/day, and 1 GB stored data. All limits reset daily at 00:00 UTC. We are not publishing our stored Cloudflare KV terms beside it — our own pricing change record, discovered 2026-09-02, names them as the previous ones. Read what we recorded ↓ | 2026-08-13 |
| Momento | Retired | Managed Valkey cache, cluster and pub/sub, formerly a serverless cache with a free tier. No free tier. gomomento.com/pricing, read 2026-09-05, prices every plan: Momento Cache Flex from $13 per GB-month, Momento Cache Cluster from $0.0105 per instance-hour, Pub/sub Topics from $1 per 1M operations, Valkey Router $0.01 per GB of data transfer. The only $0 on the page is the Starter Basic Support plan, which is a support level and not a product allowance. | 2026-09-05 |
| Nile | Free | Postgres for multi-tenant apps — 1 GB storage, 50M serverless query tokens, 500 max connections. Unlimited databases and tenant DBs. Always-on (no cold starts) | 2026-08-23 |
| DynamoDB Local | Free | Official AWS DynamoDB emulator for local development and testing. Full DynamoDB API compatibility. Runs as downloadable JAR or Docker container. No AWS account needed, no network latency, no usage charges. Supports streams, transactions, TTL, and all query patterns | 2026-08-15 |
| Redis Cloud | Free | Managed Redis — 30 MB memory, single database, shared deployment. Best-effort SLA, community support | 2026-08-27 |
| Prisma Accelerate | Free | Connection pooling and caching for any database — 100,000 operations/month, 10 connection pool limit, auto-scaling. Also available: Prisma Postgres free tier with 500 MB storage and up to 5 databases | 2026-08-22 |
| SurrealDB Cloud | Free | Multi-model cloud database — 1 GB storage, 0.25 vCPU, 512 MB memory free. Supports SQL-like queries, graph relations, document storage, real-time subscriptions. Includes team collaboration and RBAC | 2026-08-27 |
| Weaviate | Open Source | Open-source vector database — self-hosted free. Cloud: permanent free tier with 1 cluster, 100,000 objects, 1 GB memory, 10 GB disk, 1 collection, up to 3 tenants, 2,000 embedding requests/day and 1,000 Query Agent requests/month. Paid cloud from $45/mo (Flex) | 2026-08-28 |
| Zilliz Cloud | Free | Managed Milvus vector database — free tier: 5 GB storage, 2.5M vector compute units/month, up to 5 collections. Milvus open-source also free to self-host with no limits | 2026-09-06 |
| LanceDB | Open Source | Embedded vector database — OSS: fully free, runs locally or in your cloud, no limits. Cloud: $100 in one-time free credits for serverless managed offering. Usage-based pricing after credits | 2026-07-05 |
| Upstash Vector | Free | Serverless vector database by Upstash — 10K vectors, 1536 dimensions, 150K query units/day free. REST API, no connection management | 2026-08-13 |
| Chroma | Open Source | Superseded: As of 2026-09-07, trychroma.com/pricing reads: Starter plan per month + $5 in free credits. Write per GiB written $2.50, Storage per GiB per month $0.33, Query per TiB queried $0.0075, Network per GiB returned $0.09. Starter plan includes 10 databases and 10 team members. We are not publishing our stored Chroma terms beside it — our own pricing change record, discovered 2026-09-07, names them as the previous ones. Read what we recorded ↓ | 2026-08-24 |
| Turbopuffer | Pay-as-you-go | Superseded: As of 2026-09-03, turbopuffer.com/pricing reads: Includes all database features with a $16/month minimum usage. We are not publishing our stored Turbopuffer terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓ | 2026-08-19 |
| Gel | Free | Superseded: As of 2026-09-07, geldata.com/pricing reads: Free tier: 1/4 compute unit ( 1/2 GiB RAM, 1/16 vCPU ), Up to 1GB of disk space. We are not publishing our stored Gel terms beside it — our own pricing change record, discovered 2026-09-07, names them as the previous ones. Read what we recorded ↓ | 2026-08-25 |
| CrateDB | Free (CRFREE) | Distributed SQL database for time-series and IoT — free cloud tier (CRFREE): 2 vCPUs, 2 GB RAM, 8 GB storage. One free cluster per org. No credit card required | 2026-07-07 |
| Neo4j AuraDB | Free | Graph database cloud service — free tier: single database, up to 200,000 nodes and 400,000 relationships. Full Cypher query language support. No credit card required | 2026-08-15 |
| InfluxDB Cloud | Free | Time-series database — free tier: 5 MB writes per 5 minutes, up to 10,000 data series, 30-day data retention. Auto-provisioned for new accounts. Ideal for IoT and monitoring workloads | 2026-07-05 |
| 8base.com | Free | 8base is a full-stack low-code development platform built for JavaScript developers built on top of MySQL and GraphQL and serverless backend-as-a-service. It allows you to start building web applications quickly using a UI app builder and scale quickly, The Free tier includes rows: 2,500, Storage: 500, Serverless computing: 1Gb/h, and client app users: 5. | 2026-07-15 |
| codehooks.io | Free | Superseded: As of 2026-08-28, codehooks.io reads: The free plan includes 1 Developer, API/Functions: 1/sec, 500/day, 1 Worker per queue, Worker timeout 30s, 150 MB Database Storage, 1 GB File Storage, 1 Space Chat and Email Support. No Credit Card Required. We are not publishing our stored codehooks.io terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ | 2026-07-15 |
| Couchbase Capella | Free | deploy a forever free tier fully managed database cluster with 1 node and 8GB storage, built for developers to create the next generation of applications across IoT to AI | 2026-07-15 |
| filess.io | Free | filess.io is a platform where you can create two databases with up to 10 MB per database of the following DBMS for free: MySQL, MariaDB, MongoDB, and PostgreSQL. | 2026-08-28 |
| restdb.io | Free | a fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like queries), and an efficient multi-user admin UI for working with data. The free plan allows 3 users, 2500 records, and 1 API request per second. | 2026-08-27 |
| SeaTable | Free | Flexible, Spreadsheet-like Database built by the Seafile team. Unlimited tables, 10,000 rows, 1-month versioning, up to 25 team members. | 2026-07-12 |
| skyvia.com | Free | Cloud Data Platform with free tiers across products: 10K records/month for data integration, 1 GB backup storage, 5 queries/day for Query product. Multiple cloud connectors included. | 2026-07-14 |
| StackBy | Free | One tool that combines spreadsheets' flexibility, databases' power, and built-in integrations with your favorite business apps. The free plan includes 5 editors plus 50 read-only guests, 20 stacks, and a 2GB attachment per stack. | 2026-07-16 |
| Google Cloud BigQuery | Always Free | Always Free: 1 TiB queries/month, 10 GiB storage. Serverless data warehouse with SQL, ML, and BI built in. No infrastructure to manage | 2026-08-17 |
| Amazon Aurora PostgreSQL | Free Tier | Aurora PostgreSQL Serverless on AWS Free Tier — managed PostgreSQL-compatible database with automatic scaling. Free plan: up to 4 ACUs per cluster, 1 GB storage. New accounts also get $100–200 in AWS credits for 12 months | 2026-09-02 |
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