Yi BMS vs Ultra BMS
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Yi BMS
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This app connects to the BMS of Yifang battery pack via bluetooth, you can easily check the status of the battery, including voltage, current, temperature, alarm status and other data, and you can set the battery's operating parameters.
Ultra BMS
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A battery management software
Screenshots
Verdict
The clearest difference is ads: Ultra BMS at none against Yi BMS's shown. Ultra BMS also leads on update cadence (weekly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Yi BMS ships an update every 3 months, Ultra BMS weekly. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.
| Parameter | Yi BMS | Ultra BMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Weekly โ better |
| Ads | Yes | No โ better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 โ better | 13.0 |
| Further details โ not scored | ||
| Size | 32 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Yifang new energy technology Co., Ltd | ๆฐๅนณ ็ฝ |
In-app purchases
Yi BMS
No in-app purchases
Ultra BMS
No in-app purchases
