Spectra — The Fastest Mobile UI Inspector for Android & iOS
Spectra is a desktop application (macOS and Windows) that replaces Appium Inspector with 2-5x faster inspection, real-time device mirroring, smart locator generation, and code export for mobile test automation.
Why Spectra?
- Turbo Mode — 2-5x faster than Appium Inspector. Connect directly to devices without an Appium server. Sub-second element tree loading.
- Real-Time Live Tracking — Device screen updates in real-time as you interact. No manual refresh.
- Smart Locator Generation — 9+ strategies (Accessibility ID, Resource ID, XPath, iOS Class Chain, UIAutomator, and more) each graded A-D for reliability.
- Code Generation — Export ready-to-use test code for WebdriverIO, Python, and Java with Page Object Model support.
- Multi-Device Inspection — Inspect Android and iOS devices side by side simultaneously.
- Built-In Device Logs — Stream logcat and syslog in real-time with filtering and search.
- Script Recorder — Record taps and swipes, auto-generate runnable test code. Like Playwright Codegen for mobile.
- Prerequisite Check — Automatic environment scanner with one-click dependency installation.
- XPath Axis Builder — Visual ancestor/sibling/descendant navigation for complex locators.
- Network Monitoring — Built-in request inspector for monitoring app network traffic.
- ~10MB app — 50x smaller than Appium Inspector (Electron). Built with Tauri + Rust. Starts in under 1 second.
Spectra vs Appium Inspector
| Feature | Appium Inspector | Spectra |
|---|
| Inspection Speed | Slow (5-10 seconds) | Sub-second (Turbo Mode) |
| Live Screen Tracking | Manual refresh | Real-time, always in sync |
| Dynamic Pages | Fails on animations | Works everywhere |
| Multi-Device | One device at a time | Side-by-side, any combination |
| Locator Quality | Raw XPath only | A-D graded, 9+ strategies |
| Code Generation | Not available | WebdriverIO, Python, Java + POM |
| Script Recorder | Not available | Record and export test code |
| Device Logs | External terminal | Built-in logcat + syslog |
| App Size | ~500MB (Electron) | ~10MB (Tauri + Rust) |
Pricing
- Free — $0 forever. 1 device session, Appium mode, all inspection features, locator generation.
- Pro — $7/month (beta pricing). Multi-device, Turbo mode, real-time sync, code generation, script recorder. 14-day free trial.
- Team — Custom pricing. Volume licensing, priority onboarding, early access.
Frequently Asked Questions
- What is Spectra?
- Spectra is a desktop application for lightning-fast mobile UI inspection and test automation. It replaces Appium Inspector with a modern experience for Android and iOS.
- What is the best alternative to Appium Inspector?
- Spectra is the leading Appium Inspector alternative — 2-5x faster, with real-time tracking, smart locators, code generation, and multi-device support.
- Do I need Appium installed?
- Only for Appium Mode. Turbo Mode connects directly to your device without requiring an Appium server.
- What platforms does Spectra support?
- macOS (Apple Silicon and Intel) and Windows. Supports Android and iOS devices, emulators, and simulators.
- What locator strategies does Spectra generate?
- 9+ strategies including Accessibility ID, Resource ID, XPath, iOS Class Chain, iOS Predicate String, UIAutomator, Class Name, Content Description, and Name — each graded A-D for reliability.
- Is there a free version?
- Yes. Spectra Free includes single-device inspection, Appium mode, all core inspection features, and locator generation. Pro adds Turbo Mode, multi-device, and code generation for $7/month.
- Is my data private?
- All inspection data stays on your local machine. No screenshots, UI trees, or generated code are sent to any server.
Links
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