VisualDx vs Brain & Nervous System Pro III
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VisualDx
This visual reference tool aids medical professionals in improving patient engagement and diagnostic accuracy. It utilizes AI and a vast image atlas to help build custom differentials, share patient-specific images, and access comprehensive diagnostic information. Earn continuing education credits while making better medical decisions.
- Build custom differentials
- Engage patients with visual aids
- Improve diagnostic accuracy
- Access therapy and test options
- Recognize infectious diseases
- Earn CME credits
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VisualDx is a visual reference tool for medical professionals that leverages AI technology and a comprehensive image atlas to support faster, more confident decisions, fewer unnecessary referrals and testing, and higher patient engagement and satisfaction. With VisualDx, clinicians can: • Build dynamic differentials that evolve as you think. • Use guided support to surface clinically relevant results. • Compare diagnoses to improve decisions for your patients. • Use our AI to take a picture of your patient’s skin condition to better understand morphology and possibilities. • Engage with patients by sharing pictures of skin that reflect their disease presentation. • Access therapy and testing recommendations across over 3,500 conditions. • Quickly recognize infectious diseases and travel-related illnesses with our public health resources. • Test your diagnostic skills with our image challenges and educational resources. • Earn 0.5 AMA PRA Category 1 Credits™ for internet point of care activity with every search. See why this award-winning clinical decision support system is being used in more than 2,300 hospitals, clinics, and medical schools by physicians, nurses, students, PAs, NPs, and other healthcare professionals worldwide. VisualDx requires a subscription. Terms of Use: https://www.visualdx.com/legal/acceptable-use-policy-notice Privacy Policy: https://www.visualdx.com/legal/privacy-policy/
Brain & Nervous System Pro III
Explore the human brain and nervous system with detailed 3D models, interactive features, and functional animations. Learn about anatomy, disease states, and neurobiology through quizzes and shareable drawings.
- 360-degree 3D rotation of brain and nervous system
- Tri-planar slicing for detailed views
- Functional and disease state animations
- 728 labeled anatomical structures with audio
- Two quiz types (drag and drop, multiple choice)
- Layer mixing for comparison
- Public notes and graphical hints
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*** ***** ON SALE FOR A LIMITED TIME ***** *** BRAIN AND NERVOUS SYSTEM PRO III - AWARD WINNING NEUROANATOMY APP BY 3D4MEDICAL. * * * * * GOLD award winner - Web Health Awards * * * * * PRESS REVIEWS: Brain Pro is an ambitious application that is well designed and executed. It's a viable academic tool, and a serious reference guide for anyone interested in learning more about a body's super computer – the brain. - Apptudes This application contains many successful features such as realistic images, selective layers, pin information, dynamic quiz function which ensures that it is certainly worth a look. - iMedicalapps NOW WITH ANIMATIONS: Functional Animations: * Cerebo-spinal Fluid Flow * Neurotransmission * Patellar Reflex Arc * Neuronal Synapse Disease States: * Astrocytoma - Brain Tumor * Oligodendroglioma - Brain Tumor * Multiple Sclerosis BRAIN & NERVOUS SYSTEM PRO III’S TOP FEATURES ARE: ** 360 horizontal degree rotation of any body part - with a swipe of your finger. ** Rotate vertically for inferior and superior for unique views where applicable. ** Tri-planar multiple “slices” of the brain. ** Isolated media of specific nerves. ** 728 pin labels with audio pronunciations. ** Draw on any screen image and share it through email, Facebook or Twitter. ** 2 types of Quiz, Drag and Drop and Multi-choice - with ability to test on specific areas or muscles. NEW FUNCTIONALITY: ** Interface: Completely rebuilt to allow for simple navigation. ** Mix layers: Make one layer semitransparent to compare against another layer. ** Public Notes: Post or browse through shared public notes. ** Graphical Hints: On screen hints that can be turned on or off, for a complete understanding of all the app's features. OVERVIEW: Brain and Nervous System Pro III now features multiple orthogonal slices on the transverse, sagittal and coronal planes, meaning you can 'slice' through the brain effortlessly to reveal the inner anatomy of the brain, from top to bottom, left to right and front to back. The app is unsurpassed in its level of detail and interactivity. Now with a simple swipe of your finger, you can explore neuroanatomy from a basic to advanced level. This upgrade also features spectacular animations, which offer insights into diseased states and functional anatomy down to the cellular level. Additionally, an entirely new and comprehensive peripheral nervous system is now incorporated, while the central nervous system has been expanded within a detailed spinal column. Brain and Nervous System Pro III includes two new levels in brain, which detail the ventricular systems and Brodmann areas, making it the most comprehensive neuroanatomical app on the market. MORE FROM 3D4MEDICAL: - Heart Pro III - Interactive Cardiology - Muscle System Pro III - Interactive Musculoskeletal Anatomy - Skeletal System Pro III - Interactive Osteology - Spine Pro III – Interactive Chiropractic App - Orthopedic Patient Education – Interactive Orthopedics - Specialized Body Region Apps OTHER 3D4MEDICAL APPS ALSO AVAILABLE IN THE HEALTH & FITNESS CATEGORY ON THE APP STORE: - iMuscle – Workout aid and anatomical reference - iYoga Premium – Ground breaking motion capture yoga app 3D4MEDICAL'S COMMITMENT: We take pride in our apps at 3D4Medical and continually strive to engage with our customers. From the first edition of Brain Pro, we have consistently listened to our users and upgraded our apps continually and throughout. Email us via the App Feed Back address below to engage with our product development process: B&NSPIIIFeedback@3D4Medical.com
Screenshots
Verdict
The clearest difference is price: VisualDx at Free against Brain & Nervous System Pro III's $9.99. VisualDx also leads on update cadence (fortnightly vs every 6 months) and review sentiment (84% vs 59%). Brain & Nervous System Pro III's advantage is in-app purchases (none vs 10) and iOS requirement (9.3 vs 16.4). On rating, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
VisualDx is free to download; Brain & Nervous System Pro III costs $9.99 up front. VisualDx sells 10 in-app purchases, starting at $39.99 per month. Brain & Nervous System Pro III asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.4 for VisualDx against 4.3 for Brain & Nervous System Pro III. Both are backed by a comparable volume of ratings — 186 and 94 respectively. Written reviews are what separate them: 84% of VisualDx's written reviews are positive against 59% of Brain & Nervous System Pro III's.
VisualDx ships an update fortnightly, Brain & Nervous System Pro III every 6 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.
| Parameter | VisualDx | Brain & Nervous System Pro III |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.4 (186 ratings) — better | 4.3 (94 ratings) |
| Positive reviews | 84.3% of reviews — better | 58.9% of reviews |
| Number of ratings | 186 — better | 94 |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Paid — better |
| Best chart rank | #15 — better | — |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 16.4 | 9.3 — better |
| Further details — not scored | ||
| Size | 220 MB | 784 MB |
| Age rating | 17+ | 4+ |
| Developer | Logical Images | 3D4Medical from Elsevier |
Customer experience
VisualDx
Brain & Nervous System Pro III
User reviews
VisualDx
From 186 App Store ratingsWhat we love
- 📸 Excellent clinical images and kodachromes
- 👍 User-friendly interface and easy navigation
- 🎓 Comprehensive differential diagnosis tool
- 📚 Detailed disease summaries and treatment information
- 🌍 Inclusive representation of skin of color
Room to improve
- 💰 Expensive subscription cost
- ❌ Difficult subscription cancellation process
- 🐛 App crashes and performance issues
- 📱 Quiz feature laggy and unreliable
- 😤 Poor customer service responsiveness
Brain & Nervous System Pro III
From 94 App Store ratingsWhat we love
- 🎨 High-quality, vibrant 3D graphics and rendering
- 🧠 Excellent visualization of brain anatomy and spatial relationships
- 🔄 Multiple viewing planes and layer transparency options
- ✏️ Ability to add custom pins and personal notes
- 🎓 Valuable educational tool for medical and anatomy students
Room to improve
- 🐛 Frequent freezing and performance issues
- 📉 Poor image quality when zoomed in
- 🔍 Limited search and navigation functionality
- 📊 Insufficient anatomical detail for advanced learners
- 🎮 Choppy and unresponsive touch controls
Bugs and requests
VisualDx
Reported bugs
6 issues- App crashes when using quiz feature
- CME credit claiming functionality fails
- Subscription cancellation not processed
- Renewal charges despite cancellation requests
- Quiz unable to load properly
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- Account access issues after payment
Requested features
6 requests- Make app free again (previously free)
- Simplify subscription cancellation in-app
- Improve quiz functionality for mobile
- Add quiz feature to desktop version
- Expand patient information handouts
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- Better quiz image clarity and context
Brain & Nervous System Pro III
Reported bugs
12 issues- App crashes and freezes frequently
- Incompatibility with iOS 11 and newer versions
- 32-bit compatibility issues on newer devices
- Download functionality not working
- Help section displays blank screen with music only
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- Touch responsiveness lag (several seconds delay)
- Uncontrolled object spinning
- Labels and pins only work in certain orientations
- Corrupted file issues
- Volume adjustment triggered by help video clicks
- Rotation limited to Y-axis only
- Labeling function resets view to pre-programmed angles
Requested features
19 requests- Multiple cross-sectional slices in each plane (currently only 1-3)
- More detailed spinal cord anatomy and cross-sections
- Additional brainstem structures and detailed sections
- Functional information about nerves and their effects
- More animations with narration and audio explanations
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- Ability to hide selective pins by category (e.g., blood vessels)
- Continuous slicing capability with labeled structures maintained
- Coronal section viewing from anterior perspective
- More subcortical nuclei and white matter fascicles
- Functional area labels (e.g., prefrontal cortex, limbic system)
- Ability to toggle pins on/off selectively
- Video narration and landscape view for animations
- Cytoarchitecture visualization
- Motor and sensory tract pathways
- Integration with academic resources like Google Scholar
- Physiology information in addition to anatomy
- More detailed vascular system representation
- Quiz features with physiology questions
- Support for video mirroring to projectors
In-app purchases
VisualDx
- Complete (1 Month)1 Month trial$39.991 Month
- VisualDx Core Monthly7 Days trial$39.991 Month
- Complete+DermExpert (1 Month)1 Month trial$49.991 Month
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- VisualDx Elite Monthly7 Days trial$49.991 Month
- Add DermExpert (1 Year)$99.991 Year
- Complete (1 Year)1 Month trial$149.991 Year
- VisualDx Core Annual7 Days trial$249.991 Year
- VisualDx Elite Annual7 Days trial$299.991 Year
- Complete+DermExpert (1 Year)1 Month trial$499.991 Year
- Complete (1 yr)$399.99
Brain & Nervous System Pro III
No in-app purchases
Questions
Is VisualDx free?
Is Brain & Nervous System Pro III free?
Which has better reviews, VisualDx or Brain & Nervous System Pro III?
Do VisualDx or Brain & Nervous System Pro III have ads?
Which is updated more often, VisualDx or Brain & Nervous System Pro III?
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