# E vs 海豚智能BMS

The clearest difference is update cadence: 海豚智能BMS at every 2 weeks against E's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 5 weeks, 海豚智能BMS every 2 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | E | 海豚智能BMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 33 MB | 36 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建军 刘](https://appshunter.io/developer/1718671617) | [惠州市佰铭诚电子有限公司](https://appshunter.io/developer/1631994436) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-bms/id6473353474)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海豚智能BMS

[App page](https://appshunter.io/ios/app/bms/id6739831592)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

E is free to download, with no in-app purchases.

### Is 海豚智能BMS free?

海豚智能BMS is free to download, with no in-app purchases.

### Do E or 海豚智能BMS have ads?

Neither E nor 海豚智能BMS shows ads.

### Which is updated more often, E or 海豚智能BMS?

E ships an update every 5 weeks, and 海豚智能BMS every 2 weeks. Most recently, E was updated on October 1, 2026 and 海豚智能BMS on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*