# BatteryPhone vs 4連ストップウォッチ

The clearest difference is iOS requirement: BatteryPhone at 15.0 against 4連ストップウォッチ's 17.0. On price, ads, 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.

## The numbers

| Metric | BatteryPhone | 4連ストップウォッチ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (156 ratings)](https://appshunter.io/ios/app/batteryphone/id1191334332/reviews)** | — |
| Number of ratings | **156** | — |
| Positive reviews | 53.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 7 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [mikito oba](https://appshunter.io/developer/1563726163) |

## 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


### 4連ストップウォッチ

[App page](https://appshunter.io/ios/app/4/id6802677771)

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

**In-app purchases:** none


## Frequently asked questions

### Is BatteryPhone free?

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

### Is 4連ストップウォッチ free?

4連ストップウォッチ is free to download, with no in-app purchases.

### Do BatteryPhone or 4連ストップウォッチ have ads?

Both BatteryPhone and 4連ストップウォッチ show ads.

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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.*