# ChargingB vs X2Power Marine

The clearest difference is update cadence: ChargingB at every 3 weeks against X2Power Marine's every 2 months. ChargingB also leads on iOS requirement (9.0 vs 12.0). 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.

ChargingB ships an update every 3 weeks, X2Power Marine every 2 months. The most recent releases landed on October 27, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ChargingB | X2Power Marine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (16 ratings)](https://appshunter.io/ios/app/x2power-marine/id6446151584/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 32 MB | 38 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Yuxin Iot Technology Co., Ltd](https://appshunter.io/developer/1647137462) | [Batteries Plus LLC](https://appshunter.io/developer/1181988229) |

## What reviewers say

### ChargingB

[App page](https://appshunter.io/ios/app/chargingb/id1670045292)

**Features:** macOS Compatibility

**In-app purchases:** none


### X2Power Marine

[App page](https://appshunter.io/ios/app/x2power-marine/id6446151584)

Monitor your X2Power Lithium Marine battery's status in real-time. This app provides vital information like voltage, current, capacity, and charge status via Bluetooth, enhancing battery safety and usability.

**Highlights:** Real-time voltage monitoring, Operating current and power display, Remaining battery capacity, Charging time estimation, Battery cycle count, Full Charge Capacity (FCC) data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChargingB free?

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

### Is X2Power Marine free?

X2Power Marine is free to download, with no in-app purchases.

### Do ChargingB or X2Power Marine have ads?

Neither ChargingB nor X2Power Marine shows ads.

### Which is updated more often, ChargingB or X2Power Marine?

ChargingB ships an update every 3 weeks, and X2Power Marine every 2 months. Most recently, ChargingB was updated on October 27, 2026 and X2Power Marine on November 7, 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.*