TestSprite alternative: agents that use your app

TestSprite has a free plan and a published price list, so cost is rarely the reason. People look at Mimiq when they do not want a growing suite of generated tests, when the question is how a new user experiences the app rather than whether the covered paths still pass, or when they want the report written from the point of view of someone who got stuck.

• TestSprite: builds a plan from your app or a requirements document, generates tests for web UI and API, and re-checks each pull request against the whole suite.
• Mimiq: no suite. Agents try a task as different users, about 5 to 15 minutes for 5 agents.
• TestSprite: Free at $0 (150 credits a month), then $19, $39 and $69 a month; Enterprise from $199 a month.
• Mimiq: first test free, then a $9 Starter (120 credits that never expire) or monthly plans from $19.
• Both: no scripts to write by hand, an MCP server for coding agents, and runs on a pull request's preview.

TestSprite says it writes the end-to-end tests you never get to, runs them on your app and tells you what broke. It explores the app and learns how it behaves, and can also use a product requirements document or an API doc as the spec. Its test types are UI and API. Its docs say UI tests become runnable Python and Playwright code, and that the code can be exported to GitHub.

Each failure comes back as a bundle: the failing step, screenshots, DOM snapshots, the test source, a root-cause hypothesis and a suggested fix. Every pull request is re-checked against the full suite and the result posts to the PR, and runs can be scheduled hourly, nightly or weekly. A GitHub Action and an open-source CLI cover CI, and an MCP server brings it into coding agents and editors such as Cursor, Codex and VS Code.

Pricing is public. Its pricing page lists Free at $0 a month with 150 credits, Starter at $19 a month after a free first month with 400 credits, Standard at $39 with 800, Pro at $69 with 1,600, and Enterprise from $199 a month for 10 seats. Yearly billing is listed as saving 35%. Its site and docs describe web UI and API testing and do not mention mobile apps.

Mimiq sends AI agents to use your web app. You paste a link and give a task in plain words, such as "Sign up and start using it". Each agent opens the app in its own real browser, plays a person with a reason to be there, and works toward the task for up to 40 steps. The report shows what broke (errors on screen, buttons that do nothing, forms that reject good input, dead ends), what the browser caught on the site (JavaScript errors, requests that failed or answered 4xx or 5xx, and requests slower than 3 seconds, ranked by how many agents hit each), and where each agent got stuck or gave up and why, in its own words, with the step and a screenshot. The problems are ranked, with suggested fixes.

You can run it by pasting a link in the app, from a coding agent through the MCP server at mcp.mimiqai.com (Claude Code, Cursor, Codex, VS Code and Windsurf), or on every preview deploy with the GitHub Action github.com/victorgulchenko/mimiq-preview-check, which works with Vercel, Netlify and Cloudflare Pages previews, leaves one pull request comment and can fail the check. Teams can also build the agents from their own customers with a CSV import, with personal details stripped before upload.

Mimiq does not write or export test scripts, does not test native mobile apps, and does not predict how many real people will finish. Every agent is simulated, agents choose their own paths so two runs can differ, and a run is not exhaustive. Agents cannot pay with real cards, and a CAPTCHA can stop them.

TestSprite turns what it finds into tests you keep. Each passing test stays in the suite, so coverage grows and every later pull request is checked against it. That is the strength of a regression suite: the same checks on every change, including backend and API checks that Mimiq does not run at all.

Mimiq asks a different question: what does a newcomer hit? Its agents are different people with a reason to be there, so besides broken buttons and failed requests they report confusion, wording that misleads, and the step where someone gives up. A suite of generated tests checks the paths it was generated for.

Neither is exhaustive. Mimiq runs vary, because agents choose their own paths, and it does not export a script you could rerun.

Choose TestSprite when you want API or backend tests, when you want tests as code you can export to GitHub, when a required check should block merges until the whole suite passes, or when you want a free plan that includes GitHub pull request testing on one repo.

Choose Mimiq when you want to know how different users fare on a feature before you write any test, when a pull request's preview should be used the way a customer would use it, or when you want agents built from your own customers on a staging build.

Many teams would use both: generated tests to guard the paths already known, and agents to explore the ones nobody wrote down. Mimiq pricing is public: the first test is free with a free account (Google sign-in, no card), and the account includes 50 credits. An agent uses 5 credits, so 5 agents use 25. After that it is a $9 Starter (120 credits that never expire) or monthly plans from $19.