# Battery Watcher vs PhoneBattery

Battery Watcher and PhoneBattery both sit at 4.5 stars, but that hides the real split: 71% of Battery Watcher's written reviews are positive against 58% of PhoneBattery's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Battery Watcher sells 1 one-off in-app purchase and PhoneBattery sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Battery Watcher holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 339 and 381 respectively. Written reviews point the same way: 71% of Battery Watcher's written reviews are positive against 58% of PhoneBattery's.

Battery Watcher ships an update fortnightly, PhoneBattery every 8 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Battery Watcher | PhoneBattery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (339 ratings)](https://appshunter.io/ios/app/battery-watcher/id987285213/reviews)** | [4.3 (381 ratings)](https://appshunter.io/ios/app/phonebattery/id1009278300/reviews) |
| Number of ratings | 339 | **381** |
| Positive reviews | **70.7% of reviews** | 58.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2 MB | 19 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Slackerz Inc](https://appshunter.io/developer/727226094) | [Marcel Voss](https://appshunter.io/developer/707185887) |

## What reviewers say

### 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, Apple Watch app, Vision Pro support

**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


### PhoneBattery

[App page](https://appshunter.io/ios/app/phonebattery/id1009278300)

This app displays your iPhone's battery level directly on your Apple Watch. Avoid constantly checking your phone with quick glances at your wrist, perfect for workouts, commutes, or when your phone is just out of reach.

**Highlights:** iPhone battery level on Apple Watch, Smart battery notifications, Apple Watch complications, Alternative app icons, Clean and simple interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $0.99 | one-time |
| Medium tip | $1.99 | one-time |
| Large tip | $3.99 | one-time |
| Generous tip | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive user interface
- ⚡ Quick access to iPhone battery status from Apple Watch
- 🎯 Does exactly what it advertises
- 💰 Free app with no in-app purchases
- 🎨 Pleasant and elegant design

**What reviewers complain about**

- 🐛 App frequently stops working or becomes non-functional
- 🐛 Complication feature doesn't load data properly
- 🐛 Battery percentage displays incorrectly or shows blank screens
- ⚠️ Lacks compatibility with newer iOS and watchOS versions
- ⚠️ Poor customer support and slow response times

**Reported bugs**

- Complication shows skeleton loading screen but never loads data
- App displays blank battery icon with no charge information
- Battery percentage shows incorrect values
- App only works if opened on phone first
- Incompatible with watchOS 7 and iOS 14+

**Requested features**

- Add working complication for watch face integration
- Support for circular battery indicator display
- Sound notifications for low battery alerts
- Display phone signal strength information
- Show Bluetooth headphone battery percentage


## Frequently asked questions

### Is Battery Watcher free?

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

### Is PhoneBattery free?

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

### Which has better reviews, Battery Watcher or PhoneBattery?

Battery Watcher is rated higher. Battery Watcher averages 4.5 out of 5 from 339 ratings, while PhoneBattery averages 4.3 from 381 ratings.

### Do Battery Watcher or PhoneBattery have ads?

Neither Battery Watcher nor PhoneBattery shows ads.

### Which is updated more often, Battery Watcher or PhoneBattery?

Battery Watcher ships an update fortnightly, and PhoneBattery every 8 days. Most recently, Battery Watcher was updated on October 23, 2026 and PhoneBattery on October 24, 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.*