RheoFit vs K·DERM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RheoFit
This app serves as a personal rehabilitation therapist, offering customized massage experiences for muscle recovery. It provides various modes, smart solutions for different needs, and allows users to monitor device battery status.
- Multiple speed and focus modes
- Customizable massage intervals and duration
- 43 rehabilitation solutions for various needs
- Battery status monitoring
- User guide and function explanations
Read full descriptionHide full description
As the all-in-one app made specifically for the RheoFit Roller Massager Series, RheoFit App is designed based on rehabilitation medicine theory and aims to become the user's personal rehabilitation therapist. What's great about RheoFit App? Running mode: Three speed modes, select the most comfortable state. Focus mode, precise muscle massage. Personal customization: Intelligently control the massage interval and duration, and enjoy full body massage freely. Smart Solution: 43 best massage rehabilitation solutions are designed for different sports scenarios and muscle rehabilitation needs. Battery Status: Check the battery life at any time to extend the massage experience. User Guide: Follow the function explanation and guidance to start the experience journey. About RheoFit RheoFit is committed to integrating musculoskeletal rehabilitation medicine, AI, and intelligent robotics technology to design and create leading-edge innovative intelligent rehabilitation hardware and software products, and continuously innovate technical products and solutions for people's musculoskeletal health problems. RheoFit works with global partners to open up the era of intelligent rehabilitation and let technology drive health in evolution. We appreciate your feedback. All suggestions are welcome.
K·DERM
Read full descriptionHide full description
K·DERM is an information helper for visitors exploring Korean aesthetic dermatology. ◆ 1-minute skin quiz — answer a few questions about your concerns, area, age and skin; get treatment categories matched by logic informed by dermatologists' published opinions. ◆ Market price ranges — typical ranges and publicly listed reference prices for 20+ treatments (Ultherapy, Thermage, Botox, Rejuran and more). ◆ Seoul clinic directory — Myeongdong, Gangnam, Hongdae, Itaewon and more, with addresses and official websites. ◆ 5 languages — English, 日本語, 繁體中文, 简体中文, 한국어. ※ For reference only — not medical advice or diagnosis. Always consult a medical professional. Prices vary; confirm directly with each clinic.
Screenshots
Verdict
The clearest difference is ads: RheoFit at none against K·DERM's shown. RheoFit also leads on iOS requirement (13 vs 15.1). K·DERM's advantage is update cadence (every 3 days vs weekly). On price, 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.
RheoFit ships an update weekly, K·DERM every 3 days. The most recent releases landed on September 29, 2026 and September 11, 2026 respectively.
| Parameter | RheoFit | K·DERM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13 — better | 15.1 |
| Further details — not scored | ||
| Size | 187 MB | 33 MB |
| Age rating | 12+ | 12+ |
| Developer | Yunwang Innovation Intelligence (shenzhen) Co., Ltd. | GI WOONG PARK |
In-app purchases
RheoFit
No in-app purchases
K·DERM
No in-app purchases









