New organizations get a trial of 2 total VM hours or 7 days, whichever comes first; apps stop when it ends unless a card is added.
Verified ·Oct 15, 2026
Free allowance
What the free plan includes, as the provider states it.
- compute
- 2 h
- Machine runtime shared across all machines; trial machines stop automatically after running for 5 minutes.
- vCPU
- 2
- Per machine; performance-optimized vCPUs are not included.
- memory
- 4 GB
- Per machine; up to 10 machines.
- storage
- 20 GB
- Volume storage.
Before you rely on it
Read with the default assumptions: a project that may grow and may make money.
- Notice: Free only for a limited time (7 days)
The fine print
Each verdict links to the quote it rests on.
- Free for
- 7 days
- At the limit
- The project is paused
- Spending cap
- None needed: the free plan cannot bill you
- Idle projects
- No pause rule documentedWhen the trial ends or its resources are used up, apps stop and nothing new can be deployed until a payment method is added; adding a card ends the trial and starts billing.
- Data retention
- No deletion rule documented
- Card at sign-up
- Not required
- Identity check
- Not documented
- Commercial use
- Not stated
- Mainland China
- Partly reachableGreatFire rates fly.dev, the default app domain (<app>.fly.dev), as mixed: tested app hosts range from blocked to intermittent or accessible. fly.io, home of the dashboard, is rated all clear, but only its home page (fly.io and www.fly.io) was tested. Custom domains were not assessed.
- Sign-up regions
- No restrictions documented
- Quotas apply per
- Organization
Alternatives
Other free plans for the same need, ranked by the same neutral rules.
Changes
- Correction
Better: Mainland China reachability corrected: not verified → partly reachable
- Oct 15, 2026
- Awaiting review
- Free Trial