Fly.io vs Sentry
Both sit in developer tools. Here is how they differ on the things you can actually check.
On price: Fly.io starts $24.06 a month cheaper than Sentry ($1.94 against $26, 93% less) on its shared-cpu-1x · 256MB tier. Both figures were read from the vendors' own pricing pages on the dates shown below.
Fly.io
fly.io
Runs containers on hardware in many regions, close to users. Now led by Sprites — hardware-isolated Linux VMs built for AI agents, with checkpointing and persistent filesystems — alongside the original app hosting, volumes and managed Postgres.
Sentry
sentry.io
Error and performance monitoring with stack traces, release tracking, session replay and alerting across most languages.
| Fly.io | Sentry | |
|---|---|---|
| Entry price | $1.94/mo | $26/mo |
| Entry plan | shared-cpu-1x · 256MB | team |
| Paid annually | — | $26/mo |
| Price checked | 21 Sept 2026 | 21 Sept 2026 |
| Pricing model | Paid | Free plan |
| Free plan | No | Yes |
| Category | Developer Tools | Developer Tools |
| Around since | 2017 | 2012 |
Every price here was read from the vendor's own pricing page, most recently on 21 Sept 2026. Entry tier only — vendors change pricing without notice.
Fly.io vs Sentry, answered
- Is Fly.io cheaper than Sentry?
- Yes. Fly.io starts at $1.94 a month against Sentry's $26, 93% less. Sentry's figure is its annual rate — the vendor publishes no month-to-month price we could read.
- Do Fly.io or Sentry have a free plan?
- Sentry publishes an ongoing free plan; Fly.io does not.
- What is the difference between Fly.io and Sentry?
- Fly.io: Runs containers on hardware in many regions, close to users. Now led by Sprites — hardware-isolated Linux VMs built for AI agents, with checkpointing and persistent filesystems — alongside the original app hosting, volumes and managed Postgres. Sentry: Error and performance monitoring with stack traces, release tracking, session replay and alerting across most languages.
