# BatteryPhone vs MySensor²

The clearest difference is rating: MySensor² at 4.8 against BatteryPhone's 3.6. MySensor² also leads on ads (none vs shown) and update cadence (monthly vs every 2 months). BatteryPhone's advantage is in-app purchases (none vs 4) and ratings volume (156 vs 4). On price and device support there is nothing between them.

Both are free to download. MySensor² sells 4 in-app purchases, starting at $2.99 per 7 days. BatteryPhone asks for nothing beyond the download.

MySensor² holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: BatteryPhone has 156 ratings behind it against 4, so its average is the more settled of the two.

BatteryPhone ships an update every 2 months, MySensor² monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BatteryPhone | MySensor² |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (156 ratings)](https://appshunter.io/ios/app/batteryphone/id1191334332/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/mysensorbike-sensor-battery/id6504740377/reviews)** |
| Number of ratings | **156** | 4 |
| Positive reviews | 53.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 7 MB | 28 MB |
| Requires iOS | **15.0** | 17.5 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [兴华 范](https://appshunter.io/developer/440983944) |

## 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


### MySensor²

[App page](https://appshunter.io/ios/app/mysensorbike-sensor-battery/id6504740377)

Effortlessly monitor the battery levels of all your cycling sensors, including power meters, heart rate monitors, and shifters, in one convenient app. Get quick access to battery status via desktop widgets or Apple Watch Stacks without needing to open the application.

**Highlights:** All sensor batteries in one place, Power meter battery status, Heart rate monitor battery status, Speed and cadence sensor monitoring, Electronic shifter battery checks, Home screen widgets, Apple Watch Stack support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $2.99 | per 7 days |
| Premium (Monthly) | $6.99 | per month |
| Premium (Annual) | $19.99 | per year |
| Premium (Lifetime) | $39.99 | one-time |


## Frequently asked questions

### Is BatteryPhone free?

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

### Is MySensor² free?

MySensor² is free to download, with in-app purchases available.

### Which has better reviews, BatteryPhone or MySensor²?

MySensor² is rated higher. BatteryPhone averages 3.6 out of 5 from 156 ratings, while MySensor² averages 4.8 from 4 ratings.

### Do BatteryPhone or MySensor² have ads?

BatteryPhone shows ads; MySensor² does not.

### Which is updated more often, BatteryPhone or MySensor²?

BatteryPhone ships an update every 2 months, and MySensor² monthly. Most recently, BatteryPhone was updated on October 24, 2026 and MySensor² on October 25, 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.*