Fly.io vs Kamatera

Fly.io is strongest for full-stack apps needing global low latency. Kamatera is strongest for custom VM sizing. Here's how they stack up on price, uptime, and support.

Feature	Fly.io	Kamatera
Starting price	$0.01/mo	$0.05/mo
Best for	Full-stack apps needing global low latency Docker-native deploys Small teams wanting per-second billing Postgres close to compute	Custom VM sizing Global data center selection Windows Server hosting Dev/test environments
Stated uptime SLA	No blanket platform SLA published; Enterprise support plans include custom SLAs	99.95%
Storage	SSD	NVME
Regions	35	20
Managed Kubernetes	Yes	Yes
Support channels	Community forum, Docs, Ticket (paid support plans), Enterprise Slack (Enterprise plan)	Ticket, Phone, Docs, Pro/Premium Managed Services (paid)
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	Bandwidth overage billed at $0.01/GB past the pooled monthly allowance (5 TB US/Canada/Europe, 1 TB Asia-Pacific) Windows Server / SQL Server / Exchange / RDS licensing adds an undisclosed per-server surcharge only shown at calculator checkout Type T (Burstable) CPU incurs a $0.041/hour/CPU overage charge once average CPU usage exceeds 10% Powered-off (but not terminated) servers may continue to accrue charges Pro Managed Services add $50/server/month; Premium Managed Services add $150/server/month
Last reviewed	2026-07-18	2026-07-18