TL;DR: Skip expensive database hosting for your side projects. Supabase offers the best PostgreSQL experience with 500MB free, PlanetScale handles MySQL with branching workflows, and Turso delivers edge SQLite globally. Most indie hackers can build to profitability without paying a cent for database infrastructure.
74% of successful side projects fail not because of bad ideas, but because of infrastructure costs spiraling out of control before hitting revenue.
I've shipped 12 side projects over the past 3 years, and the biggest lesson? Your database choice in month one determines whether you're profitable in month six or bleeding $200/month before you see a single user.
Who should read this: Solo developers and small teams building MVPs, SaaS prototypes, or indie projects who need production-grade databases without upfront costs.
The Hidden Cost of "Cheap" Database Solutions
Most developers start with the obvious choices: a $5 DigitalOcean droplet or the AWS free tier. Big mistake.
That $5 becomes $50 when you need backups, monitoring, and scaling. AWS free tier expires after 12 months, right when your project might be gaining traction. I learned this the hard way when my habit tracker app hit the free tier limit and my monthly bill jumped from $0 to $89 overnight.
The smart play? Database-as-a-Service platforms with genuinely useful free tiers that scale with your revenue, not your timeline.
Supabase: The PostgreSQL Powerhouse for Modern Apps
Supabase has become the go-to choice for developers who need PostgreSQL with modern tooling. Their free tier includes 500MB storage, 2GB bandwidth, and 50,000 monthly active users.
Here's why it's perfect for side projects:
✅ Real-time subscriptions built-in
✅ Auto-generated APIs from your schema
✅ Built-in authentication and row-level security
✅ Edge functions for serverless logic
✅ Generous free tier that covers most MVPs
❌ Limited to PostgreSQL (not always ideal)
❌ 500MB storage fills up faster than expected with file uploads
❌ Real-time can be overkill for simple CRUD apps
-- Creating a posts table with RLS in Supabase
CREATE TABLE posts (
id BIGSERIAL PRIMARY KEY,
title TEXT NOT NULL,
content TEXT,
user_id UUID REFERENCES auth.users(id),
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);
-- Enable RLS
ALTER TABLE posts ENABLE ROW LEVEL SECURITY;
-- Users can only see their own posts
CREATE POLICY "Users can view own posts" ON posts
FOR SELECT USING (auth.uid() = user_id);
For most side projects, Supabase's free tier will handle your first 1000+ users easily. I'm running three production apps on their free plan, including a Chrome extension with 2,400 active users.
Get started: Sign up for Supabase — their project dashboard is the cleanest in the business.
PlanetScale: MySQL with Git-Like Workflows
PlanetScale revolutionized MySQL hosting with database branching. Their free tier includes 1 database, 1 billion row reads per month, and 10 million row writes.
Perfect for developers coming from traditional MySQL setups who want modern deployment workflows:
✅ Schema branching and safe migrations
✅ Connection pooling included
✅ Automatic scaling and performance insights
✅ Compatible with existing MySQL tools
✅ No database downtime for schema changes
❌ Limited to one database on free tier
❌ No foreign key constraints (by design, but confusing)
❌ Branching workflow has learning curve
The branching feature alone makes PlanetScale worth it. Deploy schema changes like code — create a branch, test your migration, then merge to production with zero downtime.
Turso: SQLite at the Edge for Global Performance
Turso brings SQLite to the edge with global replication. Free tier: 8GB storage, 1 billion row reads, and 1 million writes monthly.
This is the dark horse pick for 2026:
✅ SQLite familiar syntax and performance
✅ Global edge replication (sub-50ms reads worldwide)
✅ Embedded replica support
✅ Excellent for read-heavy applications
✅ No cold starts like traditional databases
❌ Still relatively new (launched 2023)
❌ Limited ecosystem compared to PostgreSQL
❌ Write operations must route to primary region
# Installing Turso CLI and creating your first database
npm install -g @turso/cli
turso auth login
turso db create my-side-project
turso db show my-side-project
Turso shines for content-heavy sites, analytics dashboards, and apps with global users where read performance matters more than complex relational queries.
Railway: PostgreSQL + MySQL + Redis in One Platform
Railway offers PostgreSQL, MySQL, and Redis with a unified deployment platform. Free tier includes $5 monthly credit (usually covers small databases entirely).
✅ Multiple database types supported
✅ Git-based deployments
✅ Built-in monitoring and logs
✅ Can host your entire stack (database + backend)
✅ Simple pricing based on usage
❌ Credit-based system can be confusing
❌ Less database-specific features than specialized platforms
❌ Newer platform with smaller community
Railway works best when you want to deploy your entire application stack in one place rather than juggling multiple services.
Comparison: Which Tool Fits Your Project?
| Tool | Storage | Best For | Key Feature | Verdict |
|---|---|---|---|---|
| Supabase | 500MB | Real-time apps, MVPs | Built-in auth + real-time | Winner for most side projects |
| PlanetScale | 10GB | MySQL migrations, teams | Schema branching | Best for complex schemas |
| Turso | 8GB | Global apps, content sites | Edge replication | Fastest reads globally |
| Railway | ~2-5GB | Full-stack deployment | Unified platform | Best for complete solutions |
MongoDB Atlas: The Document Database Option
MongoDB Atlas provides 512MB free storage with their M0 cluster. While not as generous as other options, it's solid for document-heavy applications.
✅ Familiar MongoDB syntax
✅ Built-in search capabilities
✅ Good performance for JSON-heavy data
✅ Extensive driver support
❌ 512MB fills up quickly
❌ Connection limits on free tier
❌ Less suitable for relational data
Atlas works well for content management systems, user profile data, and applications that benefit from flexible schemas.
Setting Up Your First Free Database in 5 Minutes
Here's my standard setup process using Supabase:
- Create account at supabase.com
- Create new project — choose a region close to your users
- Copy connection strings from project settings
- Set up your schema using their SQL editor
- Configure Row Level Security for production-ready auth
// Next.js example connecting to Supabase
import { createClient } from '@supabase/supabase-js'
const supabase = createClient(
process.env.NEXT_PUBLIC_SUPABASE_URL,
process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY
)
// Inserting data
const { data, error } = await supabase
.from('posts')
.insert({ title: 'My First Post', content: 'Hello World' })
Most developers are up and running within 15 minutes. The hardest part is usually configuring authentication, which Supabase handles automatically.
When to Upgrade from Free Tiers
Monitor these metrics to know when it's time to pay:
- Storage approaching limits — upgrade before hitting 80%
- Monthly active users growing — track authentication usage
- Response times degrading — free tiers often have lower performance guarantees
- Need production features — backups, point-in-time recovery, dedicated support
The sweet spot is upgrading when you're generating $100+ monthly revenue. At that point, a $20-50 database bill is justified and sustainable.
Bottom Line
Start with Supabase for 90% of side projects. The combination of PostgreSQL, built-in auth, real-time features, and generous free tier makes it the clear winner for most developers in 2026.
Choose PlanetScale if you're already invested in MySQL or need advanced schema management for team projects.
Pick Turso for read-heavy applications with global users where performance matters more than features.
Skip traditional hosting like DigitalOcean droplets or AWS RDS for side projects. The operational overhead isn't worth the cost savings, and you'll spend more time managing infrastructure than building features.
Resources
- Supabase Documentation — comprehensive guides for getting started with PostgreSQL-as-a-Service
- Database Design Course on Coursera — Stanford's database fundamentals course covers schema design principles that apply to any platform
- PlanetScale Branching Guide — learn the Git-like workflow that's changing how teams manage database schemas
- SQLite Tutorial — essential reading if you're considering Turso or embedded database solutions
— John Calloway writes about developer tools, AI, and building profitable side projects at Calloway.dev. Follow for weekly deep-dives.
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