Decode vs Replay QA: Features, Pricing & Which Is Better (2026)

A side-by-side comparison of Decode and Replay QA — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.

Decode

Entropik Technologies

Freemium

A human insights platform that uses emotion AI, webcam eye tracking, and predictive models to test creative, products, and experiences before launch.

Emotion AI Measurement: Face emotion, voice emotion, and text sentiment analysis reveal how respondents actually feel during a study rather than only what they report in an answer.
Webcam Eye Gaze Tracking: Real eye tracking runs through a participant's own webcam with zero hardware, producing attention heatmaps that show where people look first and what they miss.
AI Creative Insights: Neuro AI predicts attention, emotional resonance, brand recall, and conversion impact for ad creative, packaging, OOH, and web layouts before media spend is committed.
Synthetic Audience: Build reusable synthetic personas and compare how each creative performs persona by persona ahead of fielding a study with real respondents.
AI Moderator: Runs moderated and unmoderated interviews at scale, then extracts themes, emotions, and supporting evidence from raw interview and video feedback automatically.
Shopper and Shelf Simulation: Simulates real-world shelf and pack testing with attention heatmaps, shelf visibility analysis, planogram optimization, and purchase-intent prediction.
UX Research Suite: Prototype testing, unmoderated task studies, usability and wireframe testing, card and tree sorting, and live website and app testing, each enriched with gaze and emotion data.
Global Respondent Panel: Access to more than 103 million respondents worldwide, or bring your own panel free of charge on any plan.

Pre-Flight Ad Testing: Comparing creative variations and messaging options to predict which version earns attention and recall before buying media.
Packaging and Shelf Decisions: Testing pack designs and planograms in a simulated retail environment to forecast visibility and purchase intent.
Product Concept Validation: Screening product concepts, storyboards, and innovation ideas for early-stage market fit before committing development resources.
UX Friction Discovery: Running prototype and usability studies where webcam eye tracking and emotion signals expose confusion users cannot articulate.
Qualitative Research at Scale: Using the AI Moderator to conduct and synthesize many interviews into structured themes instead of manual transcript coding.
Brand Tracking and Price Testing: Running recurring consumer studies on brand perception, pricing, and the customer journey across multiple markets.

Replay

Freemium

Autonomous QA agent for AI-built web apps — connect a GitHub repo or drop in a URL and get real bugs with root cause and a fix.

Autonomous URL Testing: Paste any web-app URL and Replay QA explores the app, writes its own Playwright tests, and files bug reports in minutes with no setup.
GitHub Continuous Mode: Connects to a repo and runs on every PR or main-branch update as a persistent quality gate — no test suite to write, no pipeline to configure.
PR-native Bug Reports: Root cause and suggested fix are posted directly on the pull request so coding agents and humans can act immediately.
Session Recording & Time-Travel Debugging: Every run is captured with the Replay recording engine used by Vercel, Glide, and Pantheon, so failures are reproducible with a click.
Localhost via Reverse Proxy: Test against a local dev server without deploying, ideal for internal builders and agencies.
Replay for CI: Works alongside existing Playwright or Cypress suites — records every test run, analyzes failures, and posts root cause on the PR.
Replay QA API: Embed the same quality gate into AI coding platforms or 'software factories' so every generated app is tested before it ships.

Vibecoding QA: Solo founders shipping AI-generated web apps get a real bug report without writing a single test.
PR Quality Gate for Engineering Teams: Small teams add a GitHub app that gates every PR with autonomous exploration and posts fixes back to the PR.
Internal Tool Coverage: Ops teams add QA to internal tools that would otherwise be deployed with no test coverage at all.
Playwright/Cypress Debugging: Existing CI suites use Replay for CI to convert flaky failures into recordings with a diagnosed root cause.
AI Coding Platforms: Companies building agentic coding products embed the Replay QA API as an always-on quality gate for generated apps.
Agency Delivery: Agencies drop a client URL into Replay QA before handoff and share the resulting bug report.