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Build Check vs Mira (by Entropik)
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | Free AI-scored quiz that validates whether an app idea is worth building before you start coding. | AI research moderator conducting qualitative interviews with real-time emotion detection, used by 150+ brands. | |
| Category | |||
| Developer | @elgermerlo | Entropik | |
| Verified Status | No | No | |
| Last Updated | Aug 2026 | Aug 2026 | |
| Pricing | |||
| Pricing Model | Free | Freemium | |
| Free Plan | Yes | No | |
| Free Trial | No | No | |
| Open Source | No | No | |
| Capabilities | |||
| API Access | No | No | |
| Features | β’ 12-question idea validation quiz β’ 6-dimension scoring framework β’ Instant A-F scorecard with breakdowns β’ AI-generated tailored next steps β’ 48-hour validation experiment suggestions β’ Copy-paste prompt version for Claude/ChatGPT/Gemini | β’ AI-moderated qualitative interviews β’ Real-time facial/voice emotion detection β’ Adaptive AI questioning β’ Automatic 48-hour insight synthesis β’ Stimulus performance and recall scoring β’ 70+ language support | |
| Tags | idea validationstartup toolsAI scoringfounder tools | AI researchqualitative researchemotion AImarket research | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 7 | 4 | |
| Quality Score | 49/100 | 49/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | build-check.com | entropik.io | |
| Social Links | 1 linked | β | |
| Screenshots | No | No | |
| Reviews | |||
| Pros | β’ Free to use | β’ Free to use | |
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