Comparison

ScolioTrack vs Modelix

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ScolioTrack

Safely and affordably track scoliosis progression from your iPhone. This clinically proven app measures spinal curves, monitors height and weight, and records back photos for visual comparison. Ideal for patients, parents, and healthcare professionals.

Highlights
  • Track spinal curve progression
  • Measure Angle of Trunk Rotation (ATR)
  • Record height and weight
  • Take and compare back photos
  • View data in history graphs
  • Manage multiple user profiles
  • Access scoliosis news and FAQs
Features
Read full description

SCOLIOTRACK IS A SAFE AND INNOVATIVE WAY TO TRACK ONE'S SCOLIOSIS CONDITION ◆ Invited to Wall Street Journal 2011 Asia Innovative Awards ◆ Researched and clinically proven to work! ◆ Scoliometers usually cost $150-$300. ◆ Easy and simple to use, no medical knowledge or training needed! The device allows the user to track the progress of the abnormal spinal curves that occur in scoliosis. With the touch of an iPhone the user is easily able to track their month to month progression. This easy-to-use program is suitable for scoliosis sufferers of all ages. Its high degree of accuracy makes this application suitable for professional such as Doctors, Chiropractors or Physiotherapist and simple enough for personal use at home. The device proves much safer than x-ray technology and can be used in between doctor’s visits to track one’s individual condition. “With ScolioTrack, the patient can track the curvature in the spine from month to month by using the iPhone accelerometer, just as a doctor would with a scoliometer,” said Dr. Lau. “A scoliometer is a device that measures objectively the severity of a scoliosis. And so it is with ScolioTrack.” The technology tracks the patient’s Angle of Trunk Rotation (ATR), which is a key measurement in screening and planning for the Health In Your Hands approach to scoliosis treatment. ScolioTrack also tracks a person’s height, weight and photo record of a persons back, both beneficial for growing teenagers or health-conscious adults with scoliosis. ScolioTrack saves all the information in one convenient location and provides touch of the finger retrieval for future checkups. An easy-to-read display shows data output in graph format for ease of tracking changes over time and the new technology is capable of saving and tracking the data of multiple users. With ScolioTrack’s access to the latest breaking news regarding the condition, and its user-friendly support guides, patients can gain an effortless handle on their disorder. FEATURES OF PROGRAM: • Simple, attractive, elegant interface. • Safer and more affordable than x-rays. • Can be used with multiple users and saves their data conveniently on the iPhone for future reference. • Tracks and saves a person’s Scoliosis Angle (ATR), a key measurement in screening for and planning treatment of scoliosis. • Tracks a person’s height and weight, ideal for growing teenagers with scoliosis or adults who are health conscious. • Check your results and Scoliosis changes in beautiful history graph. • Camera function takes a photo of the person’s back to notice any changes to the back visually such as rib humps, hip protrusion, body alignment or spinal deviation and compare it easily with previous photo records. • Displays the latest news feed on scoliosis to keep users informed and up-to-date. • Comprehensive database of frequently asked questions about scoliosis. • Full help and easy to follow guides so anyone can track their scoliosis in the comfort of their own home. ----------------------------------- ABOUT DR KEVIN LAU Dr. Kevin Lau's ScolioTrack is one element of his comprehensive "Health In Your Hands" series for a natural, non-surgical, highly effective and proven method for reversing scoliosis. The other elements include his best selling books "Your Plan for Natural Scoliosis Correction and Prevention" and "An Essential Guide for Scoliosis and a Healthy Pregnancy" which has been translated to 9 languages and an exercise DVD for scoliosis, "Scoliosis Exercises for Prevention and Correction". He is a recipient of the "Best Health-care Provider Award" by the Straits Time and featured on TV prime time news.

About

Modelix

Features
Read full description

This app uses the Structure SDK / TrueDepth camera for 3D scanning. Supported device list (updated regularly): https://techmed3d.zohodesk.com/portal/en/kb/articles/minimun-device-requirements L'application Modelix de Skeltec permet une capture précise du pied à l'aide de la technologie 3D précise du Structure Sensor. De plus, notre prescription intégrée est précise et rapide à remplir.

Screenshots

ScolioTrack4 screens
Modelix2 screens

Verdict

The call

The clearest difference is price: Modelix at Free against ScolioTrack's $14.99. ScolioTrack's advantage is iOS requirement (12.4 vs 15.0). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Modelix is free to download; ScolioTrack costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ScolioTrack ships an update every 6 weeks, Modelix every 3 months. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
ScolioTrack versus Modelix: the parameters behind the verdict, then further details
ParameterScolioTrackModelix
Price$14.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews82.6% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.4 — better15.0
Further details — not scored
Size166 MB125 MB
Age rating12+17+
DeveloperKevin LauTechMed 3D

In-app purchases

None

ScolioTrack

No in-app purchases

None

Modelix

No in-app purchases

Questions

Is ScolioTrack free?
ScolioTrack costs $14.99, with no in-app purchases.
Is Modelix free?
Modelix is free to download, with no in-app purchases.
Do ScolioTrack or Modelix have ads?
Neither ScolioTrack nor Modelix shows ads.
Which is updated more often, ScolioTrack or Modelix?
ScolioTrack ships an update every 6 weeks, and Modelix every 3 months. Most recently, ScolioTrack was updated on October 11, 2026 and Modelix on October 10, 2026.

Other comparisons