Web Development · pricing
Flask pricing
Flask publishes a single tier. Below is what it costs, what it covers, and how that compares with the web development tools listed alongside it.
- Entry price
- Free
- Model
- Free
- Tiers
- 1
- Free tier
- Yes
Flask plans, side by side
Every published tier in ascending order of price, with the number of features each one lists. An absence here means the record does not itemise it, not that the tier lacks it.
| Plan | Price | Features listed | Step up from the tier below |
|---|---|---|---|
| Open Source | Free | 6 | Entry tier |
Where Flask stops being free
Open Source, Free
- Micro web framework
- Flexible architecture
- Jinja2 templating
- Werkzeug toolkit
- Extension ecosystem
- Community support
No paid tier on record
Flask lists a free tier and no priced tier above it in the record we hold.
What the product covers
The full Flask feature record, grouped as the catalogue groups it. This is the product as a whole; the record does not map every feature onto a specific tier.
Core
- Lightweight framework
- Jinja2 templating
- Werkzeug WSGI toolkit
- URL routing
- Request handling
- Session management
- Cookie handling
- Blueprint organization
Integrations
- SQLAlchemy
- WTForms
- Flask-Login
- Flask-Mail
- Flask-Admin
- Celery
- Redis
- PostgreSQL
Security
- CSRF protection
- Session security
- Request validation
Deployment
- Cloud deployment
- On-premise deployment
- Containerized deployment
Platform
- Web support
- Server support
Localization
- Python language support
People bring Flask in for rest apis and backend services, small-to-medium web applications and prototypes, microservices, server-rendered apps using jinja templating, teaching and learning web development. If that is not the job you are buying for, the alternatives to Flask are worth a look before you commit to a tier.
How that compares in Web Development
Too few web development tools in this directory publish a starting price to quote a meaningful median, so the table below is a like-for-like list rather than a ranking.
| Tool | Entry price | Model | Rated | Head to head |
|---|---|---|---|---|
| Flask (this page) | Free | free | - | |
| FastAPI | Free | open-source | - | vs Flask |
| Django | Free | free | - | vs Flask |
| Astro | Free | open-source | - | vs Flask |
| Carrd | Free, then $19/year | freemium | - | vs Flask |
| .NET | Free | open-source | - | vs Flask |
| Apache HTTP Server | Free | - | - | vs Flask |
Ratings are aggregated from third-party sources and imported with each catalogue entry, they are not reviews hosted on Softwr. How each figure is used is set out on the Flask badges page.
Before you pay for Flask
Three things this page cannot tell you, and all three change the bill. The record carries a price and a billing period but not the unit - per-seat and flat-rate pricing are indistinguishable in this data, so a five-person team may be looking at five times the figure above. It carries no annual rate, so any discount for paying yearly is not something this page can quote. And it carries no trial length.
What it can tell you is the shape of the ladder: a single tier at Free. Because there is a free tier, the cheapest way to answer the rest is to use it before paying anything.
Flask runs on linux, macos, windows, cloud (any platform supporting python), and is published by Pallets Projects of Global Open Source Project. The full record is on the Flask review, and the rest of the category is under best web development tools.
Flask pricing questions
- How much does Flask cost?
- Flask publishes a single tier, Open Source, at Free.
- Does Flask have a free plan?
- Yes. The Open Source tier costs nothing and covers micro web framework, flexible architecture, jinja2 templating.
- Which web development tools can I use without paying?
- 7 of the 8 web development tools listed alongside Flask have a free tier: FastAPI, Django, Astro, Carrd, .NET.
- What am I actually paying for with Flask?
- The record lists 25 features across 6 areas: core, integrations, security, deployment, platform, localization. In practice it is brought in for rest apis and backend services, small-to-medium web applications and prototypes, microservices.
- Does Flask charge per user?
- The record carries a price and a billing period for each of its 1 tiers, but not the unit that price is charged in. Per-seat and flat-rate billing look identical in this data, so check the vendor's page before budgeting for a team.
- Are these Flask prices current?
- They are what the catalogue entry holds, refreshed when the entry is. Vendors change pricing without notice and nobody at Softwr re-verifies each tier by hand, so treat this as a structured summary and the vendor's own pricing page as the authority.
- What should I compare Flask against before paying?
- The closest web development tools in this directory are FastAPI, Django, Astro, Carrd. Each has a side-by-side comparison with Flask covering price, platforms and features.