# STAR Lithium vs RoyPow Fish.

STAR Lithium and RoyPow Fish. are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume 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.

On the App Store both sit at effectively the same score — 2.3 for STAR Lithium against 2.2 for RoyPow Fish.. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

STAR Lithium ships an update every 6 weeks, RoyPow Fish. every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | STAR Lithium | RoyPow Fish. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/star-lithium/id1605868775/reviews)** | [2.2 (5 ratings)](https://appshunter.io/ios/app/roypow-fish/id6446618041/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 35 MB | 27 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [深圳市环宇鼎鑫科技有限公司](https://appshunter.io/developer/1639662642) |

## What reviewers say

### STAR Lithium

[App page](https://appshunter.io/ios/app/star-lithium/id1605868775)

Monitor your smart battery pack's performance remotely via Bluetooth. View real-time data like charging status, voltage, current, temperature, and remaining power. The app also provides hardware diagnostics and temperature unit switching.

**Highlights:** Real-time battery status monitoring, Voltage, current, and temperature readings, Remaining power percentage, Hardware short-circuit detection, Temperature unit switching, Smart battery distribution network

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is STAR Lithium free?

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

### Is RoyPow Fish. free?

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

### Which has better reviews, STAR Lithium or RoyPow Fish.?

STAR Lithium is rated higher. STAR Lithium averages 2.3 out of 5 from 3 ratings, while RoyPow Fish. averages 2.2 from 5 ratings.

### Do STAR Lithium or RoyPow Fish. have ads?

Neither STAR Lithium nor RoyPow Fish. shows ads.

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

STAR Lithium ships an update every 6 weeks, and RoyPow Fish. every 5 weeks. Most recently, STAR Lithium was updated on November 3, 2026 and RoyPow Fish. on November 3, 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.*