Fly.io vs Microsoft Azure Functions
Compare Service Types, Runtimes, Execution Limits, Compliance, Regions and Alternatives
Features
Fly.io
Service Types
FaaS
N/A
Compute
CaaS
DBaaS
PaaS
Edge
N/A
API Gateway
Microsoft Azure Functions
Service Types
FaaS
Compute
N/A
CaaS
DBaaS
PaaS
Edge
API Gateway
Fly.io
Supported Containers
Docker
Docker Private Registry
Kubernetes
Managed Kubernetes
Microsoft Azure Functions
Supported Containers
Docker
Docker Private Registry
Kubernetes
Managed Kubernetes
Fly.io
Supported Runtimes
.NET
C#
Crystal
Deno
Elixir
Go
Java
JavaScript
PHP
PowerShell
Python
Ruby
Rust
Microsoft Azure Functions
Supported Runtimes
.NET
C#
Crystal
Deno
Elixir
Go
Java
JavaScript
PHP
PowerShell
Python
Ruby
Rust
Fly.io
Execution Limits and Resource Quotas
Min. Memory
256 MB
Max. Memory
32 GB
Default Timeout
60 s
Max. Timeout
5 min
Request Payload
200 KB
Response Payload
∞
Microsoft Azure Functions
Execution Limits and Resource Quotas
Min. Memory
1536 MB
Max. Memory
4096 MB
Default Timeout
5 min
Max. Timeout
10 min
Request Payload
100 MB
Response Payload
100 MB
Fly.io
Compliance
BAA
DPA
GDPR
HIPAA
PHIPA
SOC2
Microsoft Azure Functions
Compliance
BAA
DPA
GDPR
HIPAA
PHIPA
SOC2
Fly.io
Regional Availability
Deployment Scope
Regional + Global
Regions
NA, LATAM, EU, MEA, APAC
Points of Presence
16, 5, 8, 1, 5
Microsoft Azure Functions
Regional Availability
Deployment Scope
8 Global
Regions
N/A
Points of Presence
100+
Alternatives are matched by platform types, use cases, programming languages and deployment options
