# Newcastle systems vs Power

The clearest difference is rating: Newcastle systems at 5.0 against Power's 1.5. On price, ratings volume, 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.

Newcastle systems holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Newcastle systems | Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/newcastle-systems/id1564368918/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/power-sonic-lithium/id6446947396/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Size | 12 MB | 11 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Newcastle Systems, Inc.](https://appshunter.io/developer/1286572877) | [Power Sonic Europe Limited](https://appshunter.io/developer/1460233457) |

## What reviewers say

### Newcastle systems

[App page](https://appshunter.io/ios/app/newcastle-systems/id1564368918)

Connect wirelessly to Newcastle Lithium Ion batteries to monitor their performance. Track cycle life, view state of charge, voltage, current, and temperature. Get easy-to-read battery event notifications.

**Highlights:** Wireless battery connection, Independent BMS access, Track cycle life, View State Of Charge (SOC), Display voltage, current, temperature, Battery event notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Power

[App page](https://appshunter.io/ios/app/power-sonic-lithium/id6446947396)

Monitor battery health in real-time, displaying voltage, current, and power. Get instant alerts for critical conditions like over-temperature or under-voltage. Compare individual cell voltages and manage your battery's on/off status with ease.

**Highlights:** Real-time parameter display (voltage, current, power), Battery on/off control, Single battery voltage and alarm status, Cell voltage difference comparison, Real-time critical condition alarms, Warning event logging

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Newcastle systems free?

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

### Is Power free?

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

### Which has better reviews, Newcastle systems or Power?

Newcastle systems is rated higher. Newcastle systems averages 5.0 out of 5 from 1 ratings, while Power averages 1.5 from 2 ratings.

### Do Newcastle systems or Power have ads?

Neither Newcastle systems nor Power shows ads.

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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.*