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Database hosting

AWS DynamoDB

Pricing page

  • Free tier: 25 GB of Storage, 25 Units of Write Capacity, 25 Units of Read Capacity
  • Pros: A NoSQL database with both document and key-value store models, replicated with high availability. The free tier is enough to handle up to 200M requests per month.
  • Limitations: One unit of read/write capacity handles one request per second (or two requests per second in the case of eventually consistent reads). Has both strongly consistent and eventually consistent reads.

Cloudant CouchDB

Pricing page

  • Free tier: 1$/GB per month, $0.015$/100 "heavy" requests, $0.015/500 "light" requests, first $50 per month free
  • Pros: Full CouchDB hosting. Can host also static sites and javascript applications
  • Limitations: Account on shared multitenant instance
  • Exceeding the free tier: Credit card needed after first 30 days to charge exceeding usage

DataStax Astra Cassandra

Product page

  • Free tier: 25$ per month for free, serverless databases. Up to 30 million reads, 4.5 million writes, 40GB in total.
  • Pros: Unlimited number of databases, Grafana-based health monitor, multiple providers (GCP, Azure, AWS)
  • Limitations: Does not support VPC peering, multi-region databases, materialized views, or logged batches

Dydra

Product page

  • Free tier: Simple graph storage with unlimited repositories (public and private)
  • Pros: Repositories support SPARQL Query, SPARQL Update and SPARQL Graph protocol and query federation. There is also a simple Web interface for querying datasets, a Web API and a Command-line interface
  • Limitations: Invite Only.

ElephantSQL

Product page

  • Free tier: 20MB storage, 5 simultaneous connections
  • Pros: SQL web browser for simple database inspection, secure connection over SSL, full automatic backups
  • Limitations: No SLA no in-memory cache, shared server

Fauna

Product page

  • Free tier: 100k read ops, 100k write ops, 500k compute ops, 100MB storage
  • Pros: Serverless with global replication and ACID transactions. Native GraphQL support, ABAC security model and support for relational, document, graph, and time-series patterns.
  • Limitations: No team management or preview sandbox on free tier.
  • Exceeding the free tier: Hard limits enforced on free tier. Subscription plans offer metered overages.

Firebase database

Pricing page

  • Free tier: 1GB storage, 10GB/month transfer, 100 simultaneous connections
  • Pros: really fast can be used for real time pub/sub, libraries for multiple platforms, designed to be used directly from frontend (with security rules), integrates with Firebase Authentication
  • Limitations: no backups, limited queries, complicated security rules (read the manual!)

Google Cloud Datastore

Product page

  • Free tier: 1GB storage/day, 50K reads/day, 20K writes/day, 20K deletes/day
  • Pros: dashboard, clients available in multiple languages, fully managed (sharding and replication), ACID transactions
  • Limitations: complex requests needs specific indexes (read the manual)

Heroku Postgres

Product page

  • Free tier: 10K rows/month, 20 simultaneous connections
  • Pros: dashboard, secured
  • Limitations: SLA with maximum of 4 hours of downtime/month (99.5% uptime), no in-memory cache, no expensive queries support

Heroku Redis

Product page

  • Free tier: 25MB ram, 20 connections
  • Pros: dashboard, secured, analytics, access via Heroku CLI
  • Limitations: SLA with maximum of 4 hours of downtime/month

InfluxDB Cloud

Product page

  • Free tier: Writes: 5MB every 5 minutes, Tasks & Queries: 300MB every 5 minutes, Storage: 30 days of retention, Cardinality: Up to 10,000 series, Alerting: 2 alert checks and 2 notification rules, You can create up to: 5 dashboards, 5 tasks, 2 databases to store your time series data
  • Pros: purpose-built time series database, pre-built UI and dashboarding tools, background processing and monitoring agent

MongoDB Atlas

Pricing page

  • Free tier: Start with a free 3-node replica set and 512 MB of storage / Shared RAM.
  • Pros: Fast, secure, and highly available MongoDB service for any scale.

OpenShift MongoDB

Product Page

  • Free tier: 1Gb storage
  • Pros: Easy to deploy
  • Limitations: Only support mongodb 2.4

Oracle Cloud

Product Page

  • Free tier: 2 Autonomous Database instances with 1 OCPU and 20GB storage each
  • Pros: Flexible workload tuning
  • Limitations: Maximum of 20 simultaneous database sessions

Railway

Pricing page

  • Free tier: 1GB memory per container, shared CPU, 1GB disk usage (10GB hard limit), 100GB outbound traffic (unlimited inbound). Read more
  • Pros: Allows hosting multiple databases (PostgreSQL, MySQL, Redis, MongoDB) and you can have your app and database on the same platform and run both of them for free. Also see for app hosting.
  • Limitations: 3 projects, 2 plugins per project, 2 environments per project, 3 live deploys per environment.

Redis Cloud

Pricing page

  • Free tier: 30MB, 30 connections
  • Pros: managed, possibility to choose cloud provider (AWS, Azure, GCE, IBM Softlayer) and availability zones

Supabase Postgres

Pricing Page

  • Free tier: 500Mb storage, 100 simultaneous connections
  • Pros: Open source, built in realtime capabilities and auth, 40+ extensions and pgbouncer preinstalled
  • Limitations: Paused after 1 week of inactivity
  • Exceeding the free tier: There are no overage charges. Team will reach out asking user to upgrade to a higher plan if limits are exceeded.