# RoyPow Fish. vs EEL

RoyPow Fish. and EEL are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

RoyPow Fish. ships an update every 5 weeks, EEL monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RoyPow Fish. | EEL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (5 ratings)](https://appshunter.io/ios/app/roypow-fish/id6446618041/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 27 MB | 2 MB |
| Requires iOS | **12.0** | 13.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市环宇鼎鑫科技有限公司](https://appshunter.io/developer/1639662642) | [健乐 关](https://appshunter.io/developer/1689533723) |

## What reviewers say

### RoyPow Fish.

[App page](https://appshunter.io/ios/app/roypow-fish/id6446618041)

Monitor your battery management system (BMS) directly from your mobile device. Connect via Bluetooth to view battery status and parameters in real-time.

**Highlights:** Bluetooth connection, Battery BMS monitoring, Real-time parameter viewing, Mobile phone compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### EEL

[App page](https://appshunter.io/ios/app/eel-bms/id6449561680)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RoyPow Fish. free?

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

### Is EEL free?

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

### Do RoyPow Fish. or EEL have ads?

Neither RoyPow Fish. nor EEL shows ads.

### Which is updated more often, RoyPow Fish. or EEL?

RoyPow Fish. ships an update every 5 weeks, and EEL monthly. Most recently, RoyPow Fish. was updated on October 24, 2026 and EEL on October 27, 2026.

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