Scoliometer vs 오케이닥(OKDOC)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scoliometer
This app provides a convenient and accurate digital tool for measuring spinal curvature at home or in a clinical setting. It offers an expanded measurement range compared to traditional devices and includes a step-by-step guide for easy use.
- Digital scoliometer for measuring spinal curvature
- Measures trunk rotation angle
- Expanded measurement range up to 50 degrees
- Easy-to-follow four-step guide
- Available in 17 languages
- Suitable for medical professionals and home users
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THE #1 SCOLIOSIS SCREENING APP — TRUSTED IN 75+ COUNTRIES Developed by Dr Kevin Lau, D.C. — NGO Representative to the United Nations Turn your iPhone into a clinical-grade scoliosis screening tool. Scoliometer measures the Angle of Trunk Rotation (ATR) in seconds — the fastest, most affordable way to check for spinal curvature at home or in the clinic. Trusted by doctors, physiotherapists, chiropractors, and parents in over 75 countries. WHY SCOLIOMETER? • Measures spinal curvature from 0° to 50° — beyond the range of most physical scoliometers • Accurate trunk rotation readings using your iPhone's built-in sensors • Screens for mild to severe scoliosis in seconds • Trusted by medical professionals as a reliable screening companion • No expensive equipment — clinical-grade results right in your pocket • Personalise the meter with beautifully designed skins HOW IT WORKS Have the patient bend forward into the Adam's Forward Bend position and place your iPhone across the spine. Scoliometer instantly reads the Angle of Trunk Rotation, helping identify curves that may need further evaluation. FOR PROFESSIONALS & FAMILIES Whether you're a clinician running routine screenings or a parent monitoring your child's spine at home, Scoliometer gives you a fast, non-invasive check — anytime, anywhere. No appointment needed. FROM A WORLD AUTHORITY ON SCOLIOSIS Dr Kevin Lau is an award-winning chiropractor, bestselling author, and NGO Representative to the United Nations. His bestselling books and clinical research have helped thousands of patients worldwide take control of their spinal health without surgery. Every feature of Scoliometer reflects his decades of expertise. DISCLAIMER Scoliometer is a screening tool and is not a substitute for professional medical diagnosis. Always consult a qualified healthcare provider for clinical evaluation and treatment decisions.
오케이닥(OKDOC)
Access high-quality remote medical consultations with Korean university hospital specialists from abroad. Communicate symptoms comfortably in your native language and receive expert advice with shorter wait times than local options.
- Remote consultations with Korean specialists
- Communicate in native language
- Shorter wait times
- Access to university hospital experts
- Convenient overseas medical advice
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오케이닥(OK DOC)은 해외에서도 한국 대학병원 전문의를 통한 수준 높은 원격 의료 상담 서비스를 경험할 수 있는 앱입니다. 평소 영어로 설명하기 어려웠던 증상을 편하게 모국어로 소통하고, 현지 대비 비교적 짧은 대기시간으로 전문의를 만나볼 수 있는 플랫폼으로서, 오케이닥(OK DOC)은 해외에서도 한국 전문의에게 간편하게 상담 받을 수 있는 경험을 제공합니다.
Screenshots
Verdict
The clearest difference is price: 오케이닥(OKDOC) at Free against Scoliometer's $9.99. 오케이닥(OKDOC) also leads on rating (5.0 vs 4.1) and update cadence (every 5 days vs every 3 weeks). Scoliometer's advantage is in-app purchases (none vs 3) and chart position (#162 vs unranked). On 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
오케이닥(OKDOC) is free to download; Scoliometer costs $9.99 up front. 오케이닥(OKDOC) sells 3 one-off in-app purchases. Scoliometer asks for nothing beyond the download.
오케이닥(OKDOC) holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 14 and 14 respectively. Written reviews point the same way: 82% of Scoliometer's written reviews are positive against 100% of 오케이닥(OKDOC)'s.
Scoliometer ships an update every 3 weeks, 오케이닥(OKDOC) every 5 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.
| Parameter | Scoliometer | 오케이닥(OKDOC) |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.1 (14 ratings) | 5.0 (14 ratings) — better |
| Positive reviews | 82.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 | 14 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | #162 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 21 MB |
| Age rating | 12+ | 12+ |
| Developer | Kevin Lau | Insung Infomation Co., Ltd. |
Customer experience
Scoliometer
오케이닥(OKDOC)
Bugs and requests
Scoliometer
Reported bugs
3 issues- App does not rotate with phone
- Image does not rotate to the other side
- Privacy policy website is blank
Requested features
4 requests- Ability to pause the meter
- Option to rotate the app the other way
- Adjust meter to help with more severe curvature
- Ability to save measurements
오케이닥(OKDOC)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Scoliometer
No in-app purchases
오케이닥(OKDOC)
- 내부 직원용 토큰$0.29
- 진료 상담 연장$29.99
- 전문의 진료 상담$79.99






