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Head to head · 2026

Alloy vs Bugster

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Alloy

Prototypes changes against your real codebase, and Harvey and Amazon are named users

3.9Free

Visit Alloy (opens Alloy in a new tab)

Bugster

Watches user flows in a live application and regenerates end-to-end tests automatically when the UI changes

3.9$20/mo

Visit Bugster (opens Bugster in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Alloy does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Tie

    3.9 against 3.9

  • Same job?

    Yes

    Both are Coding tools

Side by side

Compared onAlloyBugster
Our rating3.93.9
Starts atFree$20/mo
Free planYesYes
CategoryCodingCoding
PlansFreeFrom $20/mo
Key features
  • Prototypes against your real codebase, not a disconnected sandbox
  • Browser capture or direct repository connection
  • Generates real GitHub pull requests
  • Claude or ChatGPT model selection with bring-your-own-subscription
  • 20+ SaaS integrations and MCP connector support
  • Automatic end-to-end test generation from captured user flows
  • Self-adapting tests when the UI changes
  • Real-browser test execution on every pull request
  • Native GitHub integration
  • Natural-language test creation for uncaptured flows
Pros
  • Works against the real codebase, skipping the usual prototype-to-production rebuild
  • Named users include Harvey, Amazon and Redis
  • Bring-your-own-subscription option for cost transparency
  • Free tier (100 test runs/month) makes it accessible to solo developers and small teams
  • Tests adapt automatically to UI changes, reducing the maintenance burden that breaks traditional test suites
  • Runs tests in real browsers rather than a simplified simulation environment
Cons
  • Two bills if using bring-your-own-subscription alongside Alloy credits
  • AI-generated pull requests against a live codebase need normal PR review rigour
  • No specific pricing figures published
  • Founded in 2023, so its long-term reliability across large, complex codebases is less proven than established QA vendors
  • Free tier's 100 runs a month and single-repository limit will be tight for active teams shipping frequently
  • Automatic UI-adaptation is not infallible; substantial redesigns can still require flow recapture
CompanyAlloyBugster, founded 2023

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is Alloy better than Bugster?

In our reviews Alloy scores 3.9 and Bugster scores 3.9. The better pick depends on the job. Alloy: Prototypes changes against your real codebase, and Harvey and Amazon are named users. Bugster: Watches user flows in a live application and regenerates end-to-end tests automatically when the UI changes.

Which is cheaper, Alloy or Bugster?

Alloy: free. Bugster: from $20/mo.

Do Alloy and Bugster have free plans?

Yes, both have a free plan.

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