# Cloud Battery vs ParallelCalculator

The clearest difference is iOS requirement: ParallelCalculator at 15.1 against Cloud Battery's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cloud Battery sells 1 one-off in-app purchase and ParallelCalculator sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Cloud Battery | ParallelCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1.5K ratings)](https://appshunter.io/ios/app/cloud-battery/id1480648069/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 39.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 38 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alan Yan](https://appshunter.io/developer/1452768312) | [Ryusei Wakita](https://appshunter.io/developer/1896649944) |

## What reviewers say

### Cloud Battery

[App page](https://appshunter.io/ios/app/cloud-battery/id1480648069)

This app centralizes battery levels from all your Apple devices into one view. Monitor battery status across iPhones, iPads, Macs, and Apple Watches, with notifications and widgets for easy access. Seamlessly integrates with iCloud for a hassle-free experience.

**Highlights:** Centralized battery monitoring, Real-time battery tracking, Today, Home Screen, and Lock Screen Widgets, Watch Complications, Low battery and unplug notifications, Siri Shortcuts integration

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Customization | $4.99 | one-time |

**What reviewers like**

- 🚀 Useful for tracking multiple devices
- 👍 Clean and simple design
- 💡 Innovative concept
- 🚀 Works across iOS, iPadOS, and macOS
- 👍 Customizable widget options

**What reviewers complain about**

- 🐛 Inaccurate battery readings
- 🔋 High battery consumption
- 🐛 Syncing issues and delays
- 🐛 Compatibility problems with newer devices
- 🐛 Unreliable notifications

**Reported bugs**

- Devices disappearing from the app
- Widget not updating correctly
- Crashes when trying to share device status
- Incorrect battery percentages displayed
- Inability to add certain devices like older MacBooks

**Requested features**

- Add support for AirPods and other Bluetooth devices
- Improve Apple Watch integration and complication options
- Allow customization of device order in the app and widget
- Provide more detailed battery health information
- Implement a background refresh mode to keep data up-to-date


### ParallelCalculator

[App page](https://appshunter.io/ios/app/parallelcalculator/id6769945397)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム 月額プラン | $1.99 | per month |
| プレミアム 年額プラン | $19.99 | per year |


## Frequently asked questions

### Is Cloud Battery free?

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

### Is ParallelCalculator free?

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

### Do Cloud Battery or ParallelCalculator have ads?

Both Cloud Battery and ParallelCalculator 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.*