# SUNBEAMsystem vs Mastercharge

The clearest difference is iOS requirement: SUNBEAMsystem at 11.0 against Mastercharge's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SUNBEAMsystem | Mastercharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sunbeamsystem/id1416586912/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 11 MB | 30 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SUNBEAMsystem AB](https://appshunter.io/developer/1416586911) | [Telwin Spa](https://appshunter.io/developer/1369925506) |

## What reviewers say

### SUNBEAMsystem

[App page](https://appshunter.io/ios/app/sunbeamsystem/id1416586912)

Monitor your lithium battery's charge status, voltage, current, and temperature. Retrieve cycle count and capacity information for a comprehensive overview. The app automatically reconnects via Bluetooth.

**Highlights:** Real-time charge status, Voltage and current monitoring, Battery temperature display, Cycle count retrieval, Capacity loss information, Automatic Bluetooth reconnection

**Features:** macOS Compatibility

**In-app purchases:** none


### Mastercharge

[App page](https://appshunter.io/ios/app/mastercharge/id6483362801)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SUNBEAMsystem free?

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

### Is Mastercharge free?

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

### Do SUNBEAMsystem or Mastercharge have ads?

Neither SUNBEAMsystem nor Mastercharge shows ads.

### Which is updated more often, SUNBEAMsystem or Mastercharge?

SUNBEAMsystem ships an update every 2 months, and Mastercharge every 2 months. Most recently, SUNBEAMsystem was updated on June 1, 2026 and Mastercharge on September 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.*