SEMG vs Performance Elite Cast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SEMG
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H1 Hand Rehab System is Our company latest and new generation of multifunctional rehabilitation equipment, which can be used in rehabilitation department and neurological department in the hospital. This device has a variety of functions, such as Multimedia Interactive Game Triggered by sEMG signals, neuromuscular electrical stimulation, EMG feedback triggered electrical stimulation. The H1 Hand Rehab System is equipped with the APP. Almost all operations are done through the APP, which replaces the physical buttons on regular products. Disclaimer--Diagnosis in this app is for reference only. seek a doctor’s advice in addition to using this app and before making any medical decisions.
Performance Elite Cast
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This is a simple, user friendly app designed to obtain 3D imaging from a Structure Sensor and iPad to create custom orthotics. • Easy to use 3D scanner • Practitioner recommended • User Friendly software • Simple process for custom orthotics • Speed Up Turn Around Time on all orders • Reduce Shipping Costs • U.S. developed and supported • Built for use with the Structure Sensor by Occipital
Verdict
The clearest difference is update cadence: SEMG at every 2 months against Performance Elite Cast's every 6 months. Performance Elite Cast's advantage is iOS requirement (13.0 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.
SEMG ships an update every 2 months, Performance Elite Cast every 6 months. The most recent releases landed on September 19, 2026 and May 19, 2026 respectively.
| Parameter | SEMG | Performance Elite Cast |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPad |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 54 MB |
| Age rating | 12+ | 12+ |
| Developer | Shenzhen XFT Medical Limited | Ruthless Research, LLC |
In-app purchases
SEMG
No in-app purchases
Performance Elite Cast
No in-app purchases
