# Multi Unit Compass vs AllMyBatteries

The clearest difference is in-app purchases: Multi Unit Compass at none against AllMyBatteries's 3. Multi Unit Compass also leads on iOS requirement (12.0 vs 15.0). AllMyBatteries's advantage is update cadence (every 3 weeks vs every 10 months) and device support (5 vs 3). On price and ads there is nothing between them.

Both are free to download. AllMyBatteries sells 3 one-off in-app purchases. Multi Unit Compass asks for nothing beyond the download.

Multi Unit Compass ships an update every 10 months, AllMyBatteries every 3 weeks. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Multi Unit Compass | AllMyBatteries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2.3K ratings)](https://appshunter.io/ios/app/allmybatteries/id1621263412/reviews)** |
| Number of ratings | — | **2.3K** |
| Positive reviews | — | 56.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 39 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Vahid Cataltas](https://appshunter.io/developer/1439891983) | [嘉银 李](https://appshunter.io/developer/1422571301) |

## What reviewers say

### Multi Unit Compass

[App page](https://appshunter.io/ios/app/multi-unit-compass/id1441208114)

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

**In-app purchases:** none


### AllMyBatteries

[App page](https://appshunter.io/ios/app/allmybatteries/id1621263412)

Monitor battery levels for all your Apple devices and Bluetooth accessories in one place. Get customizable alerts and view battery history with trend visualization. Seamlessly sync data across your devices via iCloud and display levels with beautiful widgets.

**Highlights:** Track Apple ecosystem devices, Monitor Bluetooth accessories, Cross-device iCloud sync, Home and lock screen widgets, Smart battery notifications, Battery history and trends, Shortcuts integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to family plan | $5.99 | one-time |
| AllMyBatteries Ultimate | $6.99 | one-time |
| AllMyBatteries Ultimate Family | $12.99 | one-time |

**What reviewers like**

- 🚀 Excellent app design
- 🔒 Robust battery monitoring
- 👍 Useful for managing multiple devices
- 👍 Helpful for maintaining battery health
- 🚀 Seamless syncing across devices

**What reviewers complain about**

- 🐛 Inconsistent battery level updates
- 🔋 Slow or inaccurate battery level reporting
- 🐛 Connectivity issues with certain devices
- 🐛 Widgets not always updating in real-time

**Reported bugs**

- Devices not detected or disappearing from app
- Charging status not accurately reflected
- Frequent crashes or freezes

**Requested features**

- Add support for more device types
- Improve background refresh capabilities
- Provide more customization options
- Implement manual sync/refresh functionality
- Add Apple Watch app and complications


## Frequently asked questions

### Is Multi Unit Compass free?

Multi Unit Compass is free to download, with no in-app purchases.

### Is AllMyBatteries free?

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

### Do Multi Unit Compass or AllMyBatteries have ads?

Neither Multi Unit Compass nor AllMyBatteries shows ads.

### Which is updated more often, Multi Unit Compass or AllMyBatteries?

Multi Unit Compass ships an update every 10 months, and AllMyBatteries every 3 weeks. Most recently, Multi Unit Compass was updated on October 13, 2026 and AllMyBatteries on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*