Technology · head to head
Postgres vs SQLite
The short version
- Each has a real cost: Postgres each major version is supported for only 5 years after its initial release, after which it is end-of-life; SQLite supports only serialized write operations; only one process can modify the database at any moment, limiting concurrent users
- They diverge on capability: Postgres covers ACID compliance, SQLite covers Serverless Operation.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Postgres and SQLite actually diverge.
Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Postgres
- ACID compliance
- Complex queries
- Foreign keys
- Triggers
- Views
- Stored procedures
- JSON/JSONB support
- Full-text search
Only in SQLite
- Serverless Operation
- Zero Configuration
- Single File Database
- Cross-platform
- Full SQL Support
- ACID Compliance
- Self-contained
- Browser Storage
What people use each for
The jobs each tool is most often brought in to do.
Postgres
- Running a general purpose relational database for applicationsnot SQLite
- Self-hosting an open source SQL database with no licence feenot SQLite
- Workloads needing extensions, JSON and full text search in one enginenot SQLite
SQLite
- Transaction processingnot Postgres
- Data storagenot Postgres
- Application backendnot Postgres
- Reportingnot Postgres
- Data analyticsnot Postgres
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Postgres
- Each major version is supported for only 5 years after its initial release, after which it is end-of-life
- Major version upgrades break on-disk compatibility and require a full dump and reload or the pg_upgrade tool
- New major versions ship about once a year, so staying supported means a disruptive upgrade cycle
- Minor releases contain only frequently-encountered bug fixes, low-risk fixes, security issues and data corruption fixes, so feature gaps are not addressed within a major version
- There is no vendor SLA; commercial support must be bought separately from third party professional services listed by the project
SQLite
- Supports only serialized write operations; only one process can modify the database at any moment, limiting concurrent users
- No multi-user support or granular access control; relies on file system permissions for security only
- Limited ALTER TABLE functionality cannot edit or modify columns in existing tables
Pricing, plan by plan
Postgres
Free- Community EditionFree
- Full database features
- No limitations
- Community support
SQLite
Free- Public DomainFree
- Serverless
- Zero-configuration
- Cross-platform
Which should you pick?
Choose Postgres if
- You need acid compliance.
- You want to start without paying.
- You work on Linux, Windows, Macos, Docker.
- You also want complex queries.
Choose SQLite if
- You need serverless operation.
- You want to start without paying.
- You work on Linux, macOS, Windows, iOS, Android.
- You also want zero configuration.
Questions people ask
- Is Postgres or SQLite better?
- Neither clearly leads. Postgres starts at Free and SQLite at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Postgres or SQLite?
- Postgres starts at Free and SQLite at Free.
- Does Postgres or SQLite run on more platforms?
- Postgres runs on Linux, Windows, Macos, Docker. SQLite runs on Linux, macOS, Windows, iOS, Android.
- Can I use Postgres for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Postgres best used for?
- Postgres is most often used for running a general purpose relational database for applications, self-hosting an open source sql database with no licence fee, workloads needing extensions, json and full text search in one engine. Of those, running a general purpose relational database for applications and self-hosting an open source sql database with no licence fee are not what SQLite is typically brought in for.
- What can Postgres do that SQLite cannot?
- Postgres covers ACID compliance, Complex queries, Foreign keys, Triggers. SQLite covers Serverless Operation, Zero Configuration, Single File Database, Cross-platform.
Answered from the vendors’ own pages
Postgres: How much does PostgreSQL cost to use?
PostgreSQL is completely free to download, install, and use. No licensing fees, subscription costs, or per-seat charges apply. The database is open source under the PostgreSQL License. Source: https://www.postgresql.org
SourceSQLite: Is SQLite free and open source?
Yes, SQLite is open source and in the public domain. The complete source code and binaries are free to download and use for any purpose without restrictions.
SourcePostgres: Are there commercial PostgreSQL support options available?
Official PostgreSQL (the project) is free. Commercial PostgreSQL services such as hosting, professional support, training, and managed database services are offered by third-party vendors, not the PostgreSQL project itself. Source: https://www.postgresql.org
SourceSQLite: How does SQLite work and what is its design?
SQLite is a self-contained, serverless SQL database engine that reads and writes directly to disk files. It requires no separate server process and runs within your application, making it ideal for embedded systems and local storage.
SourcePostgres: Do I need a license to use PostgreSQL commercially?
No. PostgreSQL is open source under the PostgreSQL License, which permits free commercial use without royalties, licensing fees, or support obligations. Source: https://www.postgresql.org
SourceSQLite: What are SQLite's limitations for scaling?
SQLite does not support true multi-user concurrency. Only one process can write to the database at a time, and it lacks user management and access control features. It is designed for small to medium projects, not enterprise applications with many concurrent users.
SourceSQLite: Can I use SQLite for production web applications?
SQLite can work for single-server web applications with modest concurrency needs. However, it lacks features like user management, granular security, and sophisticated query optimization needed for large-scale applications.
SourceRelated pages
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