# Battery HD+ Pro vs Reliance Battery

The clearest difference is price: Reliance Battery at Free against Battery HD+ Pro's $3.99. Battery HD+ Pro's advantage is rating (4.6 vs 3.0) and ratings volume (443 vs 4). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

Reliance Battery is free to download; Battery HD+ Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Battery HD+ Pro holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Battery HD+ Pro has 443 ratings behind it against 4, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Battery HD+ Pro | Reliance Battery |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.6 (443 ratings)](https://appshunter.io/ios/app/battery-hd-plus-pro/id328670983/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/reliance-battery/id1546030409/reviews) |
| Number of ratings | **443** | 4 |
| Positive reviews | 81.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 133 MB | 31 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [smalltech sarl](https://appshunter.io/developer/289934568) | [应刚 郑](https://appshunter.io/developer/1446858821) |

## What reviewers say

### Battery HD+ Pro

[App page](https://appshunter.io/ios/app/battery-hd-plus-pro/id328670983)

This app provides detailed battery monitoring for your phone or tablet, offering insights into remaining usage time for various activities. It features calibration options to enhance accuracy and provides alerts for charging status.

**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**

- 🚀 Informative analytics
- 🔋 Accurate battery information
- 👍 Helpful customization options
- 🚀 Detailed battery metrics
- 👍 Useful alerts and notifications

**What reviewers complain about**

- 🐛 Inaccurate charging notifications
- 🐛 Calibration issues
- 🔋 Drains battery during use

**Reported bugs**

- Calibration process hangs on some devices
- Charging time estimates are inaccurate
- Compatibility issues with newer iOS versions

**Requested features**

- Add support for Apple Watch and AirPods
- Improve calibration process
- Provide more customization options
- Add discharge rate and battery health assessment


### Reliance Battery

[App page](https://appshunter.io/ios/app/reliance-battery/id1546030409)

Monitor your smart battery pack's performance and status remotely via Bluetooth. View real-time data like charge, discharge, voltage, temperature, and remaining power. Receive alerts for protection events and low battery levels, and track its location.

**Highlights:** Real-time battery status monitoring, Protection alerts (overvoltage, overcurrent), Individual cell voltage monitoring, Configurable power and temperature reminders, Battery pack positioning, Software upgrade via Wi-Fi

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Battery HD+ Pro free?

Battery HD+ Pro costs $3.99, with no in-app purchases.

### Is Reliance Battery free?

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

### Which has better reviews, Battery HD+ Pro or Reliance Battery?

Battery HD+ Pro is rated higher. Battery HD+ Pro averages 4.6 out of 5 from 443 ratings, while Reliance Battery averages 3.0 from 4 ratings.

### Do Battery HD+ Pro or Reliance Battery have ads?

Neither Battery HD+ Pro nor Reliance Battery shows ads.

### Which is updated more often, Battery HD+ Pro or Reliance Battery?

Battery HD+ Pro ships an update every 2 months, and Reliance Battery every 2 months. Most recently, Battery HD+ Pro was updated on September 24, 2026 and Reliance Battery on July 5, 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.*