NeckShaftAngle App vs OsteoPlan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NeckShaftAngle App
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Description The Femoral Neck-Shaft-Angle (NSA) also known as caputcollum-diaphyseal (CCD) angle is one of the most frequently applied anatomic measure for the evaluation and description of the geometry of the hip in everyday orthopeadic care. Its key role during the decision-making process for conservative and operative management particular, in Developmental Dysplasia of the hip, the planning of correction-osteotomies, total hip replacements and the osteosynthesis of proximal femoral fractures etc. Measuring angles in X-rays with instruments like protractors or goniometers in clinical settings its time consuming and difficult because It is required to be carried by orthopaedic surgeon always things like a well sharped pencil, rulers or protractor or even transparent papers. Routinely in a busy everyday practice you miss or you forget one or another. This way is old fashioned and cumbersome . NSA app is a medical software aimed for orthopaedic surgeons, providing tools that allow doctors to -Securely import medical images directly from the camera or stored photos -Offers a very convenient way to determine the most accurate possibly lines in order to measure the angle. By the aid of a circular template, four points of interest are marked. The automatically formed lines drawn between points give an angle which is measured automatically by the App. The visualized results are in degrees. By inputing the age of the patient in the App, the measured angle is compared with values from normal reference database (see reference) according the patient age. In case the measured angle is increased or decreased, the hip is valgus or varus respectively. -Save the planned images, for later review or consultation All information received from the software as output must be clinically reviewed regarding its plausibility before patient treatment! NSA App is indicated for assisting healthcare professionals. Clinical judgment and experience are required to properly use the software. The software is not for primary image interpretation. The app is not a simple goniometer which simply measures the angle, is an enhanced product which offers the ability to compare all the input data with medical reference database. This feature it is particular useful especially in clinical settings where you need a quick result without losing time in looking for reference data according to age variation in huge textbooks. The circular template to determine the points of interest and to mark them accurately are very useful in clinical settings where to find a sharpened pencil, a protractor and to draw with ruler lines over the patients x-rays is cumbersome and tedious task. You can take a photo of x-rays images of the patient in you mobile phone or tablet, the App simply guides you to do the rest. Its really a handy tool to medical doctor Reference databases 1. Hartel, M.J., et al., Determination of femoral neck angle and torsion angle utilizing a novel three-dimensional modeling and analytical technology based on CT datasets. PLoS ONE, 2016. 2. Boese, C.K., et al., The neck shaft angle: CT reference values of 800 adult hips. Skeletal Radiology, 2016. 45: p. 455-463. 3. Boese, C.K., et al., The femoral neck-shaft angle on plain radiographs: a systematic review. Skeletal Radiology, 2016. 45: p. 19-28. 4. Jiang, N., et al., Femoral version, neck-shaft angle, and acetabular anteversion in Chinese Han population: a retrospective analysis of 466 healthy adults. Medicine (Baltimore), 2015. 94(21): p. e891. 5. Han, M., Y. Zhang, and T. Shan, Femoral Offset and its Relationship to Femoral Neck-shaft Angle and Torsion Angle Desplazamiento Femoral y su Relación con el Ángulo Cuello-Diáfisis Femoral y . Int. J. Morphol, 2014. 32: p. 1194-1198. 6. Von Lanz T, Wachsmuth W: Praktische Anatomie, Berlin, 1938, Julius Springer, p.143.
OsteoPlan
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OsteoPlan is an all-in-one orthopaedic planning, measurement, operative note, and case management app for surgeons and trainees. Designed by an Orthopaedic Surgeon, it is built around real clinical workflows for planning, documentation, teaching, and follow-up. Measure coronal and sagittal limb alignment, classify knee phenotypes, plan osteotomies, simulate corrections, calculate wedge sizes, and document cases with structured images, notes, scores, follow-ups, and exports. All core tools are included free. Key Features Limb Alignment Analysis Measure HKA, MPTA, LDFA, JLCA, PTS, PDFA, SJLA, and other coronal/sagittal knee alignment parameters using point-based marking, draggable landmark labels, and visual axis display. CPAK Classification Use knee alignment measurements to generate CPAK classification with type-specific visual results. Osteotomy Planning Plan and simulate HTO, DFO, and Double-Level Osteotomy. Calculate correction angles, wedge sizes, predicted alignment, and visualize correction on radiographs. Clinical Measurement Tools Dedicated workflows for knee, shoulder, hip, spine, trauma, and general orthopaedic measurements. Spine Tools Measure Cobb angle, coronal balance, sagittal vertical axis, pelvic parameters, thoracic kyphosis, and lumbar lordosis. Trauma Tools Assess common trauma angles including distal radius parameters, Böhler’s angle, Gissane’s angle, Meary’s angle, Kite’s angle, Baumann’s angle, neck-shaft angle, acetabular index, and critical shoulder angle. Structured Case Storage Store patient details, BMI, clinical scores, images, intra-operative findings, post-operative records, OT notes, and follow-ups in organized folders. OT Notes & Templates Create structured operative notes with guided templates for common orthopaedic procedures, implant details, rehabilitation protocols, and review dates. Export & Backup Export annotated images, PDFs, OT notes, or complete case folders as ZIP files. Supports cloud backup options for safer data continuity. Designed for iPhone, iPad, and Mac, with Apple Pencil support on iPad.
Screenshots
Verdict
The clearest difference is price: OsteoPlan at Free against NeckShaftAngle App's $3.99. OsteoPlan also leads on update cadence (fortnightly vs every 11 months). On ads, in-app purchases, device support and iOS requirement 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
OsteoPlan is free to download; NeckShaftAngle App costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
NeckShaftAngle App ships an update every 11 months, OsteoPlan fortnightly. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.
| Parameter | NeckShaftAngle App | OsteoPlan |
|---|---|---|
| Price | $3.99 | Free — better |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 1 MB | 7 MB |
| Age rating | 17+ | 12+ |
| Developer | ORTHOPRACTIS.COM SINGLE MEMBER P.C. | Aravind Ravichandran |
In-app purchases
NeckShaftAngle App
No in-app purchases
OsteoPlan
No in-app purchases
Questions
Is NeckShaftAngle App free?
Is OsteoPlan free?
Do NeckShaftAngle App or OsteoPlan have ads?
Which is updated more often, NeckShaftAngle App or OsteoPlan?
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