GameCI vs FASTBuild

GameCI9.4Visit FASTBuild8.9Visit

Higher score GameCI #1 in Game Build Automation Software 9.4/10 Free plan Free plan Visit GameCI

vs

FASTBuild #2 in Game Build Automation Software 8.9/10 Open source Visit FASTBuild

• GameCI fits best

  Unity teams needing game-focused CI automation

• FASTBuild fits best

  Native game teams needing fast compilation

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Side by side

Feature	GameCI 9.4/10 Visit ↗	FASTBuild 8.9/10 Visit ↗
At a glance
Editor score	9.4	8.9
Ranking	#1 in Game Build Automation Software	#2 in Game Build Automation Software
Best for	Unity teams needing game-focused CI automation	Native game teams needing fast compilation
Pricing model	Free	Free
Starting price	Free plan	Open source
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Self-hosted, Desktop	Desktop, Self-hosted
Platforms	Linux, Windows, macOS	Windows, macOS, Linux
Support	Community, Docs	Community, Docs
Integrations	6 integrations	2 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Specs
Parallel jobs	Not checked yet	Not checked yet
Runner model	Both	Not checked yet
Build platforms	iOS, Android, Windows, macOS, Linux, WebGL	Not checked yet
Game engine support	Unity, Godot, Unreal Engine	Not checked yet
Artifact storage	Not checked yet	Not checked yet
Source integrations	GitHub, GitLab	Not checked yet
Our review
Pros	Automates Unity builds and tests with custom methods and parameters Supports iOS, Android, Windows, macOS, Linux, and WebGL builds Integrates with GitHub Actions, GitLab CI, CircleCI, and Docker	Parallel and distributed compilation across network workers Local and network build caching for repeated builds Generates Visual Studio and Xcode projects
Cons	It is tooling rather than a hosted CI service Unity is the primary maintained engine integration Execution costs depend on external infrastructure or CI providers	Configuration is defined through text-based BFF files Distributed compilation requires network workers Primarily focused on C/C++ libraries, executables, DLLs, and tests
Our verdict	GameCI is open-source tooling for automating game builds, tests, and deployment workflows. It is aimed at teams that want game-focused CI/CD across hosted runners, self-hosted machines, or local Docker environments. Unity is the primary… Read the review →	FASTBuild is an open-source build system for Windows, Linux, and macOS. It is designed for independent developers and large studios working on desktop, mobile, console, and other software, with a particular fit for native game teams. The… Read the review →

Strengths and trade-offs

• GameCI — where it wins

  • Automates Unity builds and tests with custom methods and parameters
  • Supports iOS, Android, Windows, macOS, Linux, and WebGL builds
  • Integrates with GitHub Actions, GitLab CI, CircleCI, and Docker

  Where it doesn't

  • It is tooling rather than a hosted CI service
  • Unity is the primary maintained engine integration
  • Execution costs depend on external infrastructure or CI providers

• FASTBuild — where it wins

  • Parallel and distributed compilation across network workers
  • Local and network build caching for repeated builds
  • Generates Visual Studio and Xcode projects

  Where it doesn't

  • Configuration is defined through text-based BFF files
  • Distributed compilation requires network workers
  • Primarily focused on C/C++ libraries, executables, DLLs, and tests

• GameCI9.4/10 · Free plan

  GameCI automates game builds, tests, and deployments across major CI platforms.

  Visit GameCIFull verdict →
• FASTBuild8.9/10 · Open source

  A focused open-source option for speeding up C/C++ game builds across multiple platforms.

  Visit FASTBuildFull verdict →