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If you want a TesterArmy alternative that checks a web change from inside the app (requests, state, console) and runs in your coding agent's loop, Reticle is built for that. If you want an agent that runs plain-English flows on web and mobile, handles logins and OTP, and hands back recordings, TesterArmy is the stronger choice.
What TesterArmy does
TesterArmy calls itself "The Agentic Testing Platform", built to "Catch bugs in minutes on Web and Mobile" (tester.army). You describe a user flow in plain English, and an agent runs it in a real browser or on a device build on each pull request or on a schedule. It handles logins, OAuth and one-time codes, and returns screenshots, recordings and bug reports.
It has a hosted MCP endpoint for Claude Code, Cursor, Codex and VS Code (MCP) and a GitHub Actions step. It is hosted only and not open source. Pricing is public: free, Hobby at $99 a month, Startup at $299 a month, and Enterprise on request (pricing, checked 2026-10-25).
What Reticle does
Reticle checks an AI coding agent's change from inside the running web app and returns a verdict with evidence. It reads the network calls, the application state and the console, and on React and Svelte it names the file:line to fix.
Your agent calls it through MCP while it works. Flows it drives are saved and replay deterministically, with no model in the loop. The SDK is open source (Apache-2.0) and runs on your machine; the hosted platform runs the same checks on previews and pull requests.
TesterArmy vs Reticle at a glance
| TesterArmy | Reticle | |
|---|---|---|
| Where it looks | Outside the app, through browser or device | Inside the app (SDK), plus a driven browser |
| How flows are written | Plain English, run by an agent | Flows your agent drives, saved and replayed |
| What a check reads | What the screen shows, with recordings | Network count, app state, console and DOM after each step |
| Mobile | Yes | Web only |
| Auth flows (OAuth, OTP) | Handled out of the box | Your own app's login, driven like any flow |
| Re-running | Agent runs the flow again | Deterministic replay, no model in the loop |
| Points to the fix | Bug report with recording | The failing request or state, and file:line on React and Svelte |
| Open source | No, hosted only | SDK Apache-2.0; server FSL-1.1 |
| Pricing | Free; from $99/month | Start free, no card; open-source SDK free |
Where TesterArmy is the better choice
- You need mobile. TesterArmy runs flows on device builds as well as the web. Reticle verifies web apps.
- Your flows depend on OTP or OAuth. TesterArmy handles those out of the box.
- You want recordings for humans. Screenshots, video and bug reports suit a team that reviews by watching.
- You want nothing in your code. Reticle drives sites without its SDK too, but app state and file:line need it in your build.
Where Reticle is the better choice
- The failure is under the screen. A request that fires twice, a write that returns 200 and never persists, a store that disagrees with the page. A recording of those looks fine; Reticle reads them.
- You want the agent to fix it. The verdict names the request or state and, on React and Svelte, the source line.
- You want re-runs that cannot flake. Replay has no model in the loop: eight replays gave one verdict, and four flows re-verify in about 480 tokens, about 251 times less than a model re-driving them.
- You want it open source and local. Nothing from your app leaves the machine unless you link a project.
On 88 seeded bugs, Reticle caught 85 with no false alarms, with one genuine miss (scorecard).
Can you use both?
Yes. TesterArmy can cover plain-English journeys across web and mobile, and Reticle can be the inside check your agent runs on each web change. The case for checking behaviour rather than screens is in why a green check isn't proof. Related: the QA.tech alternative and all alternatives.
Try Reticle in five minutes
Paste one line to your coding agent, and it installs and wires the SDK in your app:
Follow https://raw.githubusercontent.com/reticlehq/reticle/main/SKILL.md
Or run npx @reticlehq/core init yourself. The README has the details.
FAQ
What is the best alternative to TesterArmy?
The best alternative to TesterArmy depends on what you test. For web changes checked inside the app by your coding agent, reading network, state and console, Reticle fits. For hand-written cross-browser tests, Playwright fits. For another plain-English agent covering web and mobile, look at other AI QA agents.
How is Reticle different from TesterArmy?
Reticle is different from TesterArmy in where it looks. TesterArmy's agent runs a plain-English flow from outside and reports what the screen showed, with recordings. Reticle runs inside the app, checks requests, state and console after each step, names the source line on React and Svelte, and replays saved flows with no model.
Does Reticle test mobile apps like TesterArmy?
No, Reticle does not test native mobile apps. It verifies web apps, reading network, console and DOM, and app state where its SDK is in your build. If you need Android or iOS coverage, a tool with device support such as TesterArmy is the better choice for that part.
Is there an open-source alternative to TesterArmy?
Yes. Reticle's in-app SDK is open source under Apache-2.0 and runs locally, and its server is source-available under FSL-1.1, which becomes Apache-2.0 after two years. TesterArmy is hosted only and proprietary. Playwright is open source too, but you write and maintain the tests yourself.
Why Reticle
Your agent says it works. Reticle checks.
- Checks each change inside the running app: network, state and console, not a screenshot.
- Returns a pass or fail with the evidence and the file:line to fix.
- Open-source SDK on your machine, or the platform on every preview and PR.
No credit card required.