# Human Dx — Collective AI + expert answers > AI and human expert collective intelligence for comprehensive answers. (iPhone/iPad app by Human Dx, Ltd..) - Source: https://appshunter.io/ios/app/human-dx/id1032495132 (this page in markdown: same URL + `.md`) - Developer: [Human Dx, Ltd.](https://appshunter.io/developer/1032495131) - Category: Reference, Medical - Price: Free - Rating: 4.80/5 from 591 App Store ratings · 140 written reviews indexed - Age rating: 17+ - Requires: iOS 15.1 · 73 MB - Languages: English - Released: 2015-10-15 - Data updated: 2026-08-12 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/human-dx/id1032495132/reviews.md ## What is Human Dx? Use a transformative system that combines multiple top AIs (including Google, OpenAI, Anthropic, Mistral, and Perplexity) with expertise from members of our community in a seamlessly integrated experience. Recent research funded by the European Union demonstrates that collective human and machine intelligence substantially outperforms even the best individual experts or AI models like ChatGPT. ## Key features - Integrates multiple top AIs - Combines human expertise - Collective intelligence system - AI model comparison - Expert community insights ## What do users think of Human Dx? Overall sentiment: positive **Pros** - 👍 Engaging and challenging cases - 🚀 Great way to practice clinical reasoning - 💡 Excellent learning tool for students and professionals - 🎓 Helpful for exam preparation - 📚 Comprehensive and relevant content - 🤝 Collaborative and interactive - 🏆 Rewarding scoring system **Cons** - 🐛 Occasional glitches and crashes - 📱 Lack of iPad/desktop version - 🔀 Difficulty navigating between cases - 🔍 Poor formatting of case details **Commonly reported bugs** - Login screen issues - Inability to progress to new cases after completing one - Inconsistent case loading and navigation **Most requested features** - Ability to save and review past cases - Option to select preferred specialty/category - Improved formatting and readability of case details - Integration with other medical education platforms ## Recent user reviews (10 of 140) All indexed reviews: https://appshunter.io/ios/app/human-dx/id1032495132/reviews.md ### 4/5 — Excellent concept, but onboarding gap undermines learning *2026-04-30, version 9.10.3* I like the core idea of this app—case-based diagnostic reasoning is exactly what trainees need. However, there is a critical issue with how scoring is presented versus how users are instructed. There is no upfront explanation of how answers are graded. As a result, I initially approached cases by building a broad differential (which is a valid clinical strategy), assuming that having the correct diagnosis included would be sufficient. Instead, the app grades heavily based on ranking and early prioritization, not just inclusion. In my case, I correctly identified the diagnosis, but because it was lower in my differential list, I received a score of 0/30. This creates two problems: 1. Mismatch between user expectations and scoring system 2. False negative feedback, where correct reasoning is effectively scored as failure This is not a knowledge issue—it’s a communication issue. A brief onboarding or tutorial explaining: - That differentials must be ranked by likelihood - That earlier identification improves scoring - How hints affect grading would immediately resolve this. As it stands, the app risks losing users early—especially trainees—because it feels like being graded incorrectly rather than being taught. Receiving a near-zero score despite identifying the correct diagnosis is discouraging and undermines trust in the feedback. The tool has strong potential, but the lack of clear instructions actively detracts from the learning experience. If clear guidance is added upfront, I would strongly consider revising this to a 5/5, because the underlying product is genuinely valuable. ### 5/5 — Love this app *2025-04-14, version 9.5.9* Love the cases. Both interesting and relevant ### 5/5 — MS2 *2025-01-03, version 9.4.29* Great exposure ### 5/5 — Great application *2024-11-13, version 9.4.14* I find this application awesome. It features great cases. There is a learning component to it and the ability to collaborate with others. The teaching points make it an academic exercise and allow one to build on their foundation of knowledge. I think it would be a great resource in the educational, post graduate, and professional settings. There are also points someone can accumulate which makes it fun like a game, too ### 5/5 — This is how medicine should be *2024-11-13, version 9.4.14* I really like it. One learn while also providing help. Very nice. ### 5/5 — Very helpful cases! *2024-10-31, version 9.4.9* Excellent cases! Very practical. I wish I could do these cases on my desktop... ### 5/5 — Required med ed *2024-10-28, version 9.4.9* collaborative and informative ### 5/5 — Human dx *2024-10-07, version 9.3.1* Fun Challenging ### 5/5 — Great App !!! *2024-09-17, version 9.1.32* Best collection of cases in the best structure ### 5/5 — Espetacular! Amazing app! *2024-09-14, version 9.1.32* One of the most amazing ever! Great idea! Funny and informative app for students and experienced doctors! ## Frequently asked questions about Human Dx ### What does Human Dx do? Human Dx is a transformative system that combines multiple top AI models, including those from Google, OpenAI, Anthropic, Mistral, and Perplexity. It integrates this AI power with expertise from its community members to provide comprehensive answers and insights. ### How does Human Dx combine AI and human intelligence? The app seamlessly integrates leading AI models with insights from a community of experts. This collective intelligence approach has been shown to substantially outperform even the best individual experts or standalone AI models. ### Is Human Dx free to use? Based on the provided information, the application is free to use and does not have in-app purchases or advertisements. ### What kind of questions can I ask Human Dx? You can ask a wide range of questions that benefit from the combined power of multiple advanced AI models and human expert knowledge. This includes complex queries where collective intelligence can provide more nuanced and accurate answers than individual AI models. ## Version history (last 5 releases) ### 9.10.3 — 2026-04-05 The Human Dx app has been updated! Thanks to everyone who provided feedback on changes they'd like to see in the product - please keep sending us detailed feedback through the settings tab in the app or by visiting https://www.humandx.org/contact! We've been hard at work making improvements for v9+, including: - Minor bug fixes and usability improvements ### 9.10.2 — 2026-02-14 The Human Dx app has been updated! Thanks to everyone who provided feedback on changes they'd like to see in the product - please keep sending us detailed feedback through the settings tab in the app or by visiting https://www.humandx.org/contact! We've been hard at work making improvements for v9+, including: - Minor bug fixes ### 9.10.1 — 2026-02-11 The Human Dx app has been updated! Thanks to everyone who provided feedback on changes they'd like to see in the product - please keep sending us detailed feedback through the settings tab in the app or by visiting https://www.humandx.org/contact! We've been hard at work making improvements for v9+, including: - Minor bug fixes ### 9.10.0 — 2026-02-06 The Human Dx app has been updated! Thanks to everyone who provided feedback on changes they'd like to see in the product - please keep sending us detailed feedback through the settings tab in the app or by visiting https://www.humandx.org/contact! We've been hard at work making improvements for v9+, including: - Critical bug fixes and speed improvements ### 9.9.7 — 2025-12-29 The Human Dx app has been updated! Thanks to everyone who provided feedback on changes they'd like to see in the product - please keep sending us detailed feedback through the settings tab in the app or by visiting https://www.humandx.org/contact! We've been hard at work making improvements for v9+, including: - Asking questions now also incorporates a collective AI + expert response - Various bug fixes and/or smaller improvements ## Apps similar to Human Dx | App | Rating | Price | Category | | --- | --- | --- | --- | | [EMRA Antibiotic Guide](https://appshunter.io/ios/app/emra-antibiotic-guide/id1436939575) | 3.3 (73) | Free | Reference | ## Related topics [healthcare ai](https://appshunter.io/ios/topics/healthcare-ai) · [differential diagnosis](https://appshunter.io/ios/topics/differential-diagnosis) · [supra human app](https://appshunter.io/ios/topics/supra-human-app) · [pulse healthcare ai](https://appshunter.io/ios/topics/pulse-healthcare-ai) · [diagnosis](https://appshunter.io/ios/topics/diagnosis) · [human biodigital app](https://appshunter.io/ios/topics/human-biodigital-app) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*