Fly.io vs WP Engine

Fly.io is strongest for full-stack apps needing global low latency. WP Engine is strongest for WordPress-only sites. Here's how they stack up on price, uptime, and support.

Feature	Fly.io	WP Engine
Starting price	$0.01/mo	$30/mo
Best for	Full-stack apps needing global low latency Docker-native deploys Small teams wanting per-second billing Postgres close to compute	WordPress-only sites Agencies managing multiple WP sites Enterprise WordPress High-traffic WordPress blogs/publishers
Stated uptime SLA	No blanket platform SLA published; Enterprise support plans include custom SLAs	99.99%
Storage	SSD	SSD
Regions	35	1
Managed Kubernetes	Yes	No
Support channels	Community forum, Docs, Ticket (paid support plans), Enterprise Slack (Enterprise plan)	Chat, Phone (Professional plan and above), Docs, Dedicated support team (Enterprise)
Compliance	SOC 2	GDPR
Hidden costs to watch for	Machine prices vary by region -- the reference/base rates in this dataset are for the Amsterdam (ams) region; several regions carry a price premium Extra RAM beyond a preset's base allocation is billed separately (~$5 per 30 days per additional GB, prorated per-second) Stopped Machines still incur a rootfs storage charge of $0.15/GB per month Volume snapshots are billed at $0.08/GB per month above the first 10GB free per month Dedicated (non-shared) egress IPs are billed hourly (~$0.005/hr, ~$3.60/mo) in addition to the free shared IPv4 Cross-region private networking traffic is billed per GB and varies sharply by region group (Africa/India up to $0.12/GB egress) Wildcard/extra SSL certificates beyond the first 10 free per org are billed monthly	Visit overages billed at $2 per 1,000 visits beyond plan allowance Extra sites beyond plan limit billed around $20/mo per additional site on Startup Annual-billed prices shown on the marketing site often include a first-year-only promotional discount; renewal/steady-state annual rate can be higher than the advertised starting price Month-to-month billing (no annual commitment) costs roughly 17-20% more per month than annual billing Email hosting is NOT included; third-party estimates put it around $6-7 per mailbox per month Smart Plugin Manager and NitroPack optimization add-ons priced/bundled separately on Essential plans (included standard on Core) Numeric 99.99% uptime SLA is marketed prominently for Core/Enterprise tiers; not clearly guaranteed with a published SLA credit policy on Essential (Startup/Professional/Growth/Scale) plans
Last reviewed	2026-07-18	2026-07-18