Nexus Spine vs Chartrix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nexus Spine
This medical application assists surgeons in spinal fixation procedures by providing guidance on screw insertion angles. It offers a tool to help ensure accurate placement during surgery. Further usage instructions are available on the developer's website.
- Screw insertion angle guidance
- Spinal fixation procedures
- Surgical assistance tool
- Accuracy enhancement
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This app helps surgeons check screw insertion angles for application in spinal fixation procedures. For instructions on how to use the app visit: www.nexusspine.com/presson/support.
Chartrix
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Chartrix is a medical DICOM imaging viewer that lets you browse CT and MRI scans and visualize them in 3D — right on your iPhone, iPad, or Mac. DICOM 2D Slice Viewer Browse through every slice of a CT/MRI study with an intuitive slider. Use built-in distance and angle measurement tools, and save results per slice for future reference. Real-Time 3D Volume Rendering VTK-powered 3D rendering lets you explore patient anatomy in full 3D. Rotate, zoom, and pan with touch gestures. Switch instantly between five visualization presets: Soft Tissue, Bone, Lung, Brain, and Abdomen. USDZ 3D Model Export Automatically generate 3D surface models for Bone, Skin, and Soft Tissue from CT data. Preview in augmented reality with AR Quick Look, share with colleagues, or use for 3D printing. Patient Chart Management Organize multiple CT/MRI studies per patient, sorted by date. Alias-based registration protects patient privacy. Attach notes and measurements to each chart. Everything syncs across your devices via iCloud. Cross-Device iCloud Sync Your charts, studies, measurements, and notes sync seamlessly between iPhone, iPad, and Mac. DICOM files are stored in iCloud Documents and download on demand. Reference Only Chartrix is a reference-only medical imaging viewer designed for education, surgical planning references, patient communication, and research visualization. It is not intended for clinical diagnosis. Requires iOS 17 / macOS 14 or later.
Screenshots
Verdict
The clearest difference is update cadence: Chartrix at every 5 days against Nexus Spine's every 2 months. Nexus Spine's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Nexus Spine ships an update every 2 months, Chartrix every 5 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.
| Parameter | Nexus Spine | Chartrix |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 42 MB | 19 MB |
| Age rating | 4+ | 17+ |
| Developer | Nexus Orthopaedics L.L.C. | CodersHigh |
In-app purchases
Nexus Spine
No in-app purchases
Chartrix
No in-app purchases








