# Battery HD+ vs Battery Watcher

The clearest difference is in-app purchases: Battery HD+ at none against Battery Watcher's 1. Battery HD+ also leads on ratings volume (2.7K vs 323). Battery Watcher's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Battery Watcher sells 1 one-off in-app purchase. Battery HD+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Battery HD+ against 4.5 for Battery Watcher. That said, the two scores are not equally well evidenced: Battery HD+ has 2.7K ratings behind it against 323, so its average is the more settled of the two. Written reviews are what separate them: 75% of Battery HD+'s written reviews are positive against 71% of Battery Watcher's.

Battery HD+ ships an update every 2 months, Battery Watcher fortnightly. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Battery HD+ | Battery Watcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.7K ratings)](https://appshunter.io/ios/app/battery-hd-plus/id331453283/reviews) | [4.5 (323 ratings)](https://appshunter.io/ios/app/battery-watcher/id987285213/reviews) |
| Number of ratings | **2.7K** | 323 |
| Positive reviews | **74.6% of reviews** | 70.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 62 MB | 10 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [smalltech sarl](https://appshunter.io/developer/289934568) | [Slackerz Inc](https://appshunter.io/developer/727226094) |

## 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


### Battery Watcher

[App page](https://appshunter.io/ios/app/battery-watcher/id987285213)

Monitor your iPhone's battery status directly from your Apple Watch. View current levels, historical data, and receive alerts for a full charge. Perfect for quick checks without needing your phone.

**Highlights:** iPhone battery status on Apple Watch, Watch face complications, 24-hour battery history, Visual charge history graph, Full charge alerts

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Watcher Premium | $1.99 | one-time |

**What reviewers like**

- 👍 Clean and intuitive interface
- 🎯 Accurate battery percentage tracking
- ⌚ Seamless Apple Watch integration
- 🚀 Minimal battery drain on device
- 📊 Battery history and graphing features

**What reviewers complain about**

- 🐛 Frequent synchronization issues between iPhone and Watch
- 🔄 App requires manual refresh to show current data
- ⏰ Inaccurate time displays
- 🚫 Premium features feel limited or underwhelming
- 📉 Battery percentage discrepancies between app and device

**Reported bugs**

- App fails to communicate with iPhone from Watch
- Battery graphic jumps out of place on iPhone app
- Complication doesn't update without opening app
- Inaccurate battery percentage readings
- App disconnects from Watch frequently

**Requested features**

- Low battery mode functionality
- Battery percentage viewing on iPhone (currently watch-only)
- Custom notification alerts at user-defined battery percentages
- User-configurable logging intervals for battery tracking
- Settings menu to customize watch display and disable text clutter


## Frequently asked questions

### Is Battery HD+ free?

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

### Is Battery Watcher free?

Battery Watcher is free to download, with in-app purchases available.

### Which has better reviews, Battery HD+ or Battery Watcher?

Battery HD+ and Battery Watcher are both rated 4.5 out of 5 on the App Store, from 2.7K and 323 ratings respectively.

### Do Battery HD+ or Battery Watcher have ads?

Battery HD+ shows ads; Battery Watcher does not.

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

Battery HD+ ships an update every 2 months, and Battery Watcher fortnightly. Most recently, Battery HD+ was updated on October 1, 2026 and Battery Watcher on September 29, 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.*