# 工业云监控 vs EarRest

The clearest difference is in-app purchases: 工业云监控 at none against EarRest's 3. 工业云监控 also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). EarRest's advantage is update cadence (every 2 days vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. EarRest sells 3 in-app purchases, starting at $0.99 per month. 工业云监控 asks for nothing beyond the download.

工业云监控 ships an update every 2 weeks, EarRest every 2 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 工业云监控 | EarRest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earrest-hearing-break-timer/id6789735127/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 10 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [运烨 张](https://appshunter.io/developer/1248189786) | [月梅 孙](https://appshunter.io/developer/1893807267) |

## What reviewers say

### 工业云监控

[App page](https://appshunter.io/ios/app/id1361932852)

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

**In-app purchases:** none


### EarRest

[App page](https://appshunter.io/ios/app/earrest-hearing-break-timer/id6789735127)

This app monitors your Bluetooth headphone usage and automatically reminds you to take breaks to protect your hearing. It tracks listening time, offers customizable break intervals, and provides historical data to help you build healthier habits.

**Highlights:** Automatic Bluetooth headphone tracking, Customizable break reminders, Live Activity and Dynamic Island integration, Home and Lock Screen widgets, Quiet Hours (Do Not Disturb), Listening history, macOS companion app

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EarRest Pro Monthly | $0.99 | per month |
| EarRest Pro Yearly | $4.99 | per year |
| EarRest Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 工业云监控 free?

工业云监控 is free to download, with no in-app purchases.

### Is EarRest free?

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

### Do 工业云监控 or EarRest have ads?

Neither 工业云监控 nor EarRest shows ads.

### Which is updated more often, 工业云监控 or EarRest?

工业云监控 ships an update every 2 weeks, and EarRest every 2 days. Most recently, 工业云监控 was updated on October 10, 2026 and EarRest on October 11, 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.*