Dr.Clear Aligner vs SkyUS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dr.Clear Aligner
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Kerier doctor app is a management software for orthodontics and orthopedics doctors. It can fully communicate with kerier medical technology (Changzhou) Co., Ltd. ERP terminal and share medical information services at any time. It can provide the doctor qualification audit, process the patient's tooth model, image data and case information maintenance, and can manufacture dental mold appliance according to the case data provided by the doctor to help patients complete the whole treatment process. Doctors can master the progress and status of cases at any time. This app will access your camera and photo album rights in the service of uploading doctor's head picture and patient's case picture
SkyUS
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居天科技是专注于无线超声领域的创新型高科技企业,致力于为广大医务工作者提供医学影像领域的完善解决方案,以提高诊疗效率与质量。 *Medical Disclaimer This App's imaging features are available and intended for diagnostic or procedure guidance purpose only when certified medical professionals use Mytech transducers(Medical Device). This App only displays or manages ultrasound imaging or Doppler signals, and image interpreting and specific diagnosis shall be left to qualified medical professionals, not meant to provide medical advice or diagnosis for any other person.
Screenshots
Verdict
The clearest difference is update cadence: Dr.Clear Aligner at every 3 weeks against SkyUS's every 2 months. Dr.Clear Aligner also leads on iOS requirement (9.0 vs 15.0). 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.
Dr.Clear Aligner ships an update every 3 weeks, SkyUS every 2 months. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.
| Parameter | Dr.Clear Aligner | SkyUS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 73 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | Clear Medical Technology Co. Ltd | Mytech Intelligence (Shenzhen) Co., Ltd. |
In-app purchases
Dr.Clear Aligner
No in-app purchases
SkyUS
No in-app purchases









