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Head-to-head · Game Testing Software

AltTester vs Gua

  • Updated Nov 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score AltTester #3 in Game Testing Software 8.8/10 Free plan · 30-day trial Free planFree trial✓ 1 of 3 features Visit AltTester
Gua #4 in Game Testing Software 8.6/10 Open source ✓ 1 of 3 features Visit Gua

AltTester leads on 0 checks, Gua 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 scoreAltTester · 8.8/10
  • Free planonly AltTester
  • Free trialonly AltTester

AltTester scores higher on our rubric for game testing software: 8.8 against 8.6 out of 10; our editors rank them #3 and #4.

AltTester is the better fit for unity and Unreal teams needing device-based automation. Gua is the better fit for open-source visual regression testing.

  • AltTester fits best

    Unity and Unreal teams needing device-based automation

  • Gua fits best

    Open-source visual regression testing

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Side by side

Feature AltTester 8.8/10 Visit ↗ Gua 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #3 in Game Testing Software #4 in Game Testing Software
Best for Unity and Unreal teams needing device-based automation Open-source visual regression testing
Pricing model Free plan + paid Free
Starting price — Open source
Free plan ✓ (best) Not checked yet
Free trial 30 days —
Deployment Desktop Self-hosted, Desktop
Platforms Windows, macOS, Linux Web, Windows, macOS, Linux
Support Email, Community, Docs Docs
Integrations 9 integrations 6 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features AltTester 1/3 · Gua 1/3
Automated test execution ✓ ✓
Playtesting workflows — Not checked yet
Performance monitoring — Not checked yet
Specs
Test environments Hybrid Hybrid
Supported game engines Unity, Unreal Engine Godot, Unity
Target platforms PC, Mac, Windows, Android, iOS, WebGL, Nintendo Switch Windows, Linux, macOS
Our review
Pros
  • Inspect game-object hierarchies and record scripts from interactions
  • Write tests in C#, Python, Java, or Robot Framework
  • Run tests concurrently and connect to device-cloud services
  • Semantic selectors locate controls by role, text, ID, and state
  • PNG visual regression testing includes baselines and diffs
  • Diagnostics combine logs, screenshots, and runtime metadata
Cons
  • AltTester Lite is free only for eligible studios
  • Lite limits users to one connection and GUI mode
  • Nintendo Switch support is an add-on for customized Pro subscriptions
  • Verified support is limited to Godot and Unity
  • Desktop workflows exclude iOS and Android targets
  • Support is documentation-only
Our verdict

AltTester is a UI test automation toolkit for teams building games and 3D applications with Unity or Unreal. It instruments an application so testers can inspect game-object hierarchies and properties, interact with the interface, record…

Read the review →

Gua is an open-source game testing and automation protocol for Godot and Unity. It is aimed at game developers and QA teams that need end-to-end UI testing, semantic control discovery, screenshot capture, visual regression comparison, and…

Read the review →
  1. AltTesterGame Testing Software 8.8Free plan · 30-day trial
  2. GuaGame Testing Software 8.6Open source

Strengths and trade-offs

  • AltTester — where it wins

    • Inspect game-object hierarchies and record scripts from interactions
    • Write tests in C#, Python, Java, or Robot Framework
    • Run tests concurrently and connect to device-cloud services

    Where it doesn't

    • AltTester Lite is free only for eligible studios
    • Lite limits users to one connection and GUI mode
    • Nintendo Switch support is an add-on for customized Pro subscriptions
  • Gua — where it wins

    • Semantic selectors locate controls by role, text, ID, and state
    • PNG visual regression testing includes baselines and diffs
    • Diagnostics combine logs, screenshots, and runtime metadata

    Where it doesn't

    • Verified support is limited to Godot and Unity
    • Desktop workflows exclude iOS and Android targets
    • Support is documentation-only
  • AltTester8.8/10 · Free plan · 30-day trial

    Automate game UI tests across devices, with object inspection and CI/CD support.

    Visit AltTesterFull verdict →
  • Gua8.6/10 · Open source

    A focused open-source choice for semantic UI and visual regression testing.

    Visit GuaFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update