# Battery HD+ vs ALLIED BATTERY

The clearest difference is rating: Battery HD+ at 4.5 against ALLIED BATTERY's 3.1. Battery HD+ also leads on review sentiment (75% vs 35%) and ratings volume (2.7K vs 26). ALLIED BATTERY's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price 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.

Battery HD+ holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: Battery HD+ has 2.7K ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 75% of Battery HD+'s written reviews are positive against 35% of ALLIED BATTERY's.

Battery HD+ ships an update every 2 months, ALLIED BATTERY monthly. The most recent releases landed on September 24, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Battery HD+ | ALLIED BATTERY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.7K ratings)](https://appshunter.io/ios/app/battery-hd-plus/id331453283/reviews)** | [3.1 (26 ratings)](https://appshunter.io/ios/app/allied-battery/id1616850183/reviews) |
| Number of ratings | **2.7K** | 26 |
| Positive reviews | **74.6% of reviews** | 34.6% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 62 MB | 35 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [smalltech sarl](https://appshunter.io/developer/289934568) | [Fore Concepts](https://appshunter.io/developer/1618490027) |

## What reviewers say

### Battery HD+

[App page](https://appshunter.io/ios/app/battery-hd-plus/id331453283)

This app provides a detailed battery monitoring experience for your phone or tablet. It offers calibration features for increased accuracy and displays estimated usage times for various activities, from listening to music to GPS navigation.  It also includes charge alerts and a widget for quick access to information.

**Highlights:** Battery calibration, Usage time estimates, Charge alerts, Widget support, Detailed usage charts

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate battery information
- 👍 Helpful for devices without battery percentage
- 🔋 Provides battery usage estimates
- 👍 Easy to understand interface
- 👍 Customizable battery display

**What reviewers complain about**

- 🐛 Inaccurate battery level notifications
- 🐛 Calibration issues and bugs
- 🔋 Battery drain issues after using the app
- 💸 Ads in free version
- 🐛 Widget not working as expected

**Reported bugs**

- Calibration never completes
- Battery level not detected
- Incorrect battery percentage displayed

**Requested features**

- Battery health monitoring
- Battery usage by app breakdown
- Improved charging notifications
- Apple Watch support


### ALLIED BATTERY

[App page](https://appshunter.io/ios/app/allied-battery/id1616850183)

This app monitors and manages battery systems via Bluetooth. It displays real-time battery status, collects operational data, and exchanges information with external devices to enhance safety, usability, and lifespan. It aims to solve key issues related to lithium battery systems.

**Highlights:** Real-time voltage, current, power, and internal resistance display, Individual battery voltage and alarm status monitoring, Charging and load switch control, Cell data comparison and voltage difference display, Cell balance display, Cell temperature warning and real-time alarms

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Battery HD+ free?

Battery HD+ is free to download, with no in-app purchases.

### Is ALLIED BATTERY free?

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

### Which has better reviews, Battery HD+ or ALLIED BATTERY?

Battery HD+ is rated higher. Battery HD+ averages 4.5 out of 5 from 2.7K ratings, while ALLIED BATTERY averages 3.1 from 26 ratings.

### Do Battery HD+ or ALLIED BATTERY have ads?

Battery HD+ shows ads; ALLIED BATTERY does not.

### Which is updated more often, Battery HD+ or ALLIED BATTERY?

Battery HD+ ships an update every 2 months, and ALLIED BATTERY monthly. Most recently, Battery HD+ was updated on September 24, 2026 and ALLIED BATTERY on June 10, 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.*