RPEMS vs SMB Link
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RPEMS
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RPEMS was developed by RCT Power to facilitate users to use and monitor energy storage systems. RCT Power is an energy storage system company integrating R&D, production and sales. Its products and technologies come from Lake Constance in Germany. Its products cover household, industrial and grid energy storage.
SMB Link
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This professional-grade BMS allows for real-time monitoring and updating of battery operational data via a Bluetooth connection to a mobile device.
Screenshots
Verdict
The clearest difference is update cadence: SMB Link at every 3 weeks against RPEMS's every 10 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.
RPEMS ships an update every 10 months, SMB Link every 3 weeks. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.
| Parameter | RPEMS | SMB Link |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 13 MB | 36 MB |
| Age rating | 4+ | 17+ |
| Developer | Jiangsu RCT Power Energy Technology Co., Ltd | Shenzhen Mottcell New Energy Technology Co.,Ltd |
In-app purchases
RPEMS
No in-app purchases
SMB Link
No in-app purchases
