# BatteryPhone vs World Clock

The clearest difference is rating: World Clock at 4.4 against BatteryPhone's 3.6. World Clock also leads on ads (none vs shown) and monetization model (free vs ad-supported). BatteryPhone's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (156 vs 8). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

World Clock holds the better App Store score, 4.4 against 3.6. That said, the two scores are not equally well evidenced: BatteryPhone has 156 ratings behind it against 8, so its average is the more settled of the two.

BatteryPhone ships an update every 2 months, World Clock every 6 months. The most recent releases landed on October 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | BatteryPhone | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (156 ratings)](https://appshunter.io/ios/app/batteryphone/id1191334332/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/world-clock/id1584215960/reviews)** |
| Number of ratings | **156** | 8 |
| Positive reviews | 53.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 2 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Apple](https://appshunter.io/developer/284417353) |

## What reviewers say

### BatteryPhone

[App page](https://appshunter.io/ios/app/batteryphone/id1191334332)

Monitor your phone and watch battery levels directly from your wrist. Receive timely notifications for low or full charge status, and view historical battery data with convenient graph displays. Supports automatic updates via complications for seamless monitoring.

**Highlights:** Check phone and watch battery status, Receive low and full charge notifications, View battery level graphs, Complication support for automatic updates, Tap complication to manually update status

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient way to check battery levels
- 💡 Helpful complication options
- 🔋 Minimal battery drain

**What reviewers complain about**

- 🐛 Inconsistent updates
- 🐛 Inaccurate battery readings
- 🔋 High battery consumption
- 🐛 Compatibility issues with newer devices/OS

**Reported bugs**

- Complication not updating
- App crashing on launch
- Incorrect battery percentage displayed

**Requested features**

- Customizable update frequency
- Support for AirPods/Bluetooth device battery monitoring
- Notification when device is fully charged
- Ability to select which device's battery is displayed on complication


### World Clock

[App page](https://appshunter.io/ios/app/world-clock/id1584215960)

Easily check the current time, sunrise, and sunset in multiple cities worldwide. Compare time zones and add complications to your watch face for quick access.

**Highlights:** Global time checking, Sunrise and sunset times, Customizable city lists, Watch face complications, Time zone comparison

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is BatteryPhone free?

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

### Is World Clock free?

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

### Which has better reviews, BatteryPhone or World Clock?

World Clock is rated higher. BatteryPhone averages 3.6 out of 5 from 156 ratings, while World Clock averages 4.4 from 8 ratings.

### Do BatteryPhone or World Clock have ads?

BatteryPhone shows ads; World Clock does not.

### Which is updated more often, BatteryPhone or World Clock?

BatteryPhone ships an update every 2 months, and World Clock every 6 months. Most recently, BatteryPhone was updated on October 20, 2026 and World Clock on September 18, 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.*