# RoyPow Fish. vs HeartBoard

The clearest difference is in-app purchases: RoyPow Fish. at none against HeartBoard's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HeartBoard sells 3 one-off in-app purchases. RoyPow Fish. asks for nothing beyond the download.

RoyPow Fish. ships an update every 5 weeks, HeartBoard every 3 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | RoyPow Fish. | HeartBoard |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 27 MB | 54 MB |
| Requires iOS | 12.0 | 12.0 |
| 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) | [Phu Le huu](https://appshunter.io/developer/1763837604) |

## 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


### HeartBoard

[App page](https://appshunter.io/ios/app/heartboard/id6737022644)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Rubies | $10.00 | one-time |
| 500 Rubies (100 Bonus) | $50.00 | one-time |
| 1500 Rubies (300 Bonus) | $150.00 | one-time |


## Frequently asked questions

### Is RoyPow Fish. free?

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

### Is HeartBoard free?

HeartBoard is free to download, with in-app purchases available.

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

Neither RoyPow Fish. nor HeartBoard shows ads.

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

RoyPow Fish. ships an update every 5 weeks, and HeartBoard every 3 weeks. Most recently, RoyPow Fish. was updated on November 3, 2026 and HeartBoard on November 8, 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.*