MantisBT vs Gemini

MMantisBT8.6Visit Gemini8.5Visit

Higher score M MantisBT #6 in Game Bug Tracking Software 8.6/10 Free plan Free plan✓ 0 of 6 features Visit MantisBT

vs

Gemini #7 in Game Bug Tracking Software 8.5/10 30-day trial Free trial✓ 3 of 6 features Visit Gemini

• MantisBT fits best

  Teams needing simple open-source bug management

• Gemini fits best

  Teams needing bug triage plus test traceability

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Side by side

Feature	MMantisBT 8.6/10 Visit ↗	Gemini 8.5/10 Visit ↗
At a glance
Editor score	8.6	8.5
Ranking	#6 in Game Bug Tracking Software	#7 in Game Bug Tracking Software
Best for	Teams needing simple open-source bug management	Teams needing bug triage plus test traceability
Pricing model	Free	Paid
Starting price	Free plan	$10/user/mo
Free plan	✓ (best)	Not checked yet
Free trial	—	30 days
Deployment	Self-hosted	Cloud, Self-hosted
Platforms	Web	Web, Windows
Support	Community, Docs	Email, Phone
Built for	Solo, Small business, Mid-market	Small business, Mid-market, Enterprise
Features MantisBT 0/6 · Gemini 3/6
Custom workflows	Not checked yet	✓ (best)
Automation rules	Not checked yet	✓ (best)
Screenshot annotation	Not checked yet	Not checked yet
Unity integration	Not checked yet	Not checked yet
Unreal integration	Not checked yet	Not checked yet
API access	Not checked yet	✓ (best)
Specs
Deployment	Not checked yet	Both
Our review
Pros	Free, self-hosted issue tracking with project and version management Roadmap views organize planned issues by version REST, SOAP, plugin, and event systems support extensions	Links bug tracking with test plans and issue traceability Adds custom workflows, conditional rules, and automation actions Offers cloud and self-hosted deployment with API access
Cons	Self-hosted deployment requires a web server and installation work Workflow and integration coverage is narrower than broader alternatives No vendor-priced hosted service is included	Paid product with no free plan listed Cloud pricing is monthly at $10 per user Mobile apps were deprecated in favor of responsive web access
Our verdict	MantisBT is an open-source bug and issue tracker for software teams that need to report, organize, assign, discuss, and resolve issues. It runs as a PHP web application on a web server and is designed for self-hosted deployment. Teams can… Read the review →	Gemini combines bug tracking, issue management, QA, project work, and help desk capabilities in one platform. It is designed for software development teams and QA groups that need more than basic defect capture, particularly those managing… Read the review →

Strengths and trade-offs

• MantisBT — where it wins

  • Free, self-hosted issue tracking with project and version management
  • Roadmap views organize planned issues by version
  • REST, SOAP, plugin, and event systems support extensions

  Where it doesn't

  • Self-hosted deployment requires a web server and installation work
  • Workflow and integration coverage is narrower than broader alternatives
  • No vendor-priced hosted service is included

• Gemini — where it wins

  • Links bug tracking with test plans and issue traceability
  • Adds custom workflows, conditional rules, and automation actions
  • Offers cloud and self-hosted deployment with API access

  Where it doesn't

  • Paid product with no free plan listed
  • Cloud pricing is monthly at $10 per user
  • Mobile apps were deprecated in favor of responsive web access

• MMantisBT8.6/10 · Free plan

  A focused self-hosted tracker for teams that need straightforward issue management.

  Visit MantisBTFull verdict →
• Gemini8.5/10 · 30-day trial

  Gemini connects game bug triage with test traceability and configurable workflows.

  Visit GeminiFull verdict →