nodemon vs PM2

Side-by-side — pricing, strengths, tradeoffs, and fit.

nodemon

Automatically restarts Node.js applications upon file changes.

PM2

Advanced process manager for Node.js applications.

At a glance

Open SourceFree Tier
● Established·From $0
Open SourceFree Tier
● Established·From $0

Overview

One-liner

Automatically restarts Node.js applications upon file changes.

One-liner

Advanced process manager for Node.js applications.

Maturity

Established

Maturity

Established

Open source

✓ Yes

Open source

✓ Yes

Pricing

Free tier

✓ Available

Open source — free to use

Free tier

✓ Available

Open source — free to use

Starts at

$0

Starts at

$0

Model

Flat rate

Model

Flat rate

Enterprise

✕ None

Enterprise

✕ None

Best for

✓ Best for

Developers working on small to medium-sized Node.js projects who need a simple way to monitor and automatically restart their server.
Teams that want to streamline their development process without adding complex setup steps.

✓ Best for

Node.js developers who need a robust process manager for their applications.
Teams looking to automate deployment processes without downtime.
Projects requiring load balancing across multiple CPU cores.

Not ideal for

✕ Not for

Projects requiring real-time updates or continuous deployment where manual intervention is minimal.
Large-scale applications with complex build processes that require more sophisticated monitoring tools.

✕ Not for

Developers working with languages other than Node.js, as PM2 is specifically tailored for Node.js environments.
Applications that require real-time monitoring and alerting beyond what PM2 offers out-of-the-box.

Strengths

↑ Strengths

Automatically restarts the server on file changes.
Supports custom events and scripts for startup and shutdown.
Can be configured via command line or configuration files.

↑ Strengths

Process management and monitoring for Node.js applications.
Automatic restart on crash or exit.
Load balancing across multiple CPUs.
Zero downtime reloads.

Weaknesses

↓ Weaknesses

Limited support for complex directory structures
Performance overhead on large projects
Configuration complexity for advanced use cases
Dependency on Node.js ecosystem

↓ Weaknesses

Limited language support beyond Node.js
Complex setup and configuration for advanced use cases
Performance degradation under heavy load in certain configurations
Poor documentation for less common features and integrations
Full nodemon profile →Full PM2 profile →