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Head-to-head · Profiling Software

VisualVM vs async-profiler

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score VisualVM #9 in Profiling Software 8.4/10 Free plan Free plan✓ 3 of 3 features Visit VisualVM
async-profiler #10 in Profiling Software 8.3/10 Free plan Free plan✓ 3 of 3 features Visit async-profiler

VisualVM leads on 0 checks, async-profiler on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreVisualVM · 8.4/10
  • Free planboth

VisualVM scores higher on our rubric for profiling software: 8.4 against 8.3 out of 10; our editors rank them #9 and #10.

On deployment model, async-profiler gives you Self-hosted where VisualVM offers Desktop.

VisualVM is the better fit for free Java desktop and remote profiling. async-profiler is the better fit for free, deep Java and native profiling.

  • VisualVM fits best

    Free Java desktop and remote profiling

  • async-profiler fits best

    Free, deep Java and native profiling

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Side by side

Feature VisualVM 8.4/10 Visit ↗ async-profiler 8.3/10 Visit ↗
At a glance
Editor score 8.4 8.3
Ranking #9 in Profiling Software #10 in Profiling Software
Best for Free Java desktop and remote profiling Free, deep Java and native profiling
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Self-hosted, Desktop
Platforms Windows, Linux, macOS Linux, macOS
Support Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features VisualVM 3/3 · async-profiler 3/3
CPU profiling ✓ ✓
Memory profiling ✓ ✓
Thread profiling ✓ ✓
Specs
Profiling modes Both Both
Supported languages Java, JavaScript, Python, Ruby, R Java, C, C++
Deployment model Desktop Self-hosted
Our review
Pros
  • Free, open-source desktop tool for Windows, Linux, and macOS
  • Supports CPU and memory profiling with sampling and instrumentation
  • Includes heap dumps, thread dumps, core dumps, and offline analysis
  • Profiles CPU, heap, native memory, locks, wall time and counters
  • Outputs Flame Graphs and JFR, with Java and C APIs
  • Open-source, self-hosted tooling for Java, C and C++
Cons
  • Primarily focused on Java application profiling
  • Platform integrations are limited to Eclipse, IntelliJ IDEA, and VS Code
  • Desktop deployment does not provide a hosted profiling model
  • Primarily targets Java applications on HotSpot-based JVMs
  • Officially maintained builds focus on Linux and macOS
  • Requires local binaries, libraries or agent integration
Our verdict

VisualVM is a standalone desktop tool for monitoring, troubleshooting, and profiling Java applications. It is suited to application developers, system administrators, quality engineers, and end users who need to inspect local or remote…

Read the review →

async-profiler is an open-source, self-hosted profiling tool primarily for Java applications running on HotSpot-based JVMs. It also supports native application profiling and integration with C and C++ through a native API. The project is…

Read the review →
  1. VisualVMProfiling Software 8.4Free plan
  2. async-profilerProfiling Software 8.3Free plan

Strengths and trade-offs

  • VisualVM — where it wins

    • Free, open-source desktop tool for Windows, Linux, and macOS
    • Supports CPU and memory profiling with sampling and instrumentation
    • Includes heap dumps, thread dumps, core dumps, and offline analysis

    Where it doesn't

    • Primarily focused on Java application profiling
    • Platform integrations are limited to Eclipse, IntelliJ IDEA, and VS Code
    • Desktop deployment does not provide a hosted profiling model
  • async-profiler — where it wins

    • Profiles CPU, heap, native memory, locks, wall time and counters
    • Outputs Flame Graphs and JFR, with Java and C APIs
    • Open-source, self-hosted tooling for Java, C and C++

    Where it doesn't

    • Primarily targets Java applications on HotSpot-based JVMs
    • Officially maintained builds focus on Linux and macOS
    • Requires local binaries, libraries or agent integration

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update