KNEESUP vs eROD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KNEESUP
This app guides users through knee rehabilitation exercises using sensor data for real-time posture correction. It offers a full series of physician-designed exercises to facilitate home recovery.
- Real-time posture correction with sensor data
- Physician-designed exercise series
- Home-based rehabilitation
- Sensor-guided exercise analysis
- User authorization via product purchase
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KNEESUP is an application to rehab knee-joint. Combining with sensor, app calculates the data and shows users if rehabilitation posture is correct real-time. KNEESUP also has full rehab series of exercises built by physicians and combining with sensor datas help users rehab at home without burden. Users have to buy the KNEESUP product from the agent, which includes hardware sensor device, in order to get authorized to register. If you have any question, please contact us: service@conzian.com
eROD
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eROD負離子儀是全球首支“手持可攜式多功能儀器”，採用高新技術提取空氣中的低濃度臭氧及高濃度負離子可以改變亞健康，調理身體機能。
Screenshots
Verdict
The clearest difference is update cadence: eROD at fortnightly against KNEESUP's every 2 months. 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.
KNEESUP ships an update every 2 months, eROD fortnightly. The most recent releases landed on July 21, 2026 and September 8, 2026 respectively.
| Parameter | KNEESUP | eROD |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 45 MB | 67 MB |
| Age rating | 17+ | 12+ |
| Developer | CONZIAN LTD. | Yidai Yibang (Shenzhen) Health Biotechnology Co., Ltd |
In-app purchases
KNEESUP
No in-app purchases
eROD
No in-app purchases
