# 岛助手 vs Coat

The clearest difference is in-app purchases: 岛助手 at none against Coat's 2. Coat's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Coat sells 2 in-app purchases, starting at $4.99 per year. 岛助手 asks for nothing beyond the download.

岛助手 ships an update every 2 weeks, Coat every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 岛助手 | Coat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/coat/id6771327998/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 5 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [祖泽 蒙](https://appshunter.io/developer/1879334787) | [Beijing Black & White Network Technology Co., Ltd.](https://appshunter.io/developer/1743535104) |

## What reviewers say

### 岛助手

[App page](https://appshunter.io/ios/app/id6759554044)

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

**In-app purchases:** none


### Coat

[App page](https://appshunter.io/ios/app/coat/id6771327998)

Manage your screen time and protect your privacy with this tool. Group distracting or private apps, and set access restrictions based on location, schedule, or manual control. Track app usage and prevent unwanted installations or purchases.

**Highlights:** App grouping by scenario, Access restrictions via Screen Time, Deep temporary access limits, Usage tracking, Location-based rules, Scheduled rule switching, Device protection settings, Password and Face ID protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coat Pro 年度会员 | $4.99 | per year |
| Coat Pro 终身会员 | $19.99 | one-time |


## Frequently asked questions

### Is 岛助手 free?

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

### Is Coat free?

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

### Do 岛助手 or Coat have ads?

Neither 岛助手 nor Coat shows ads.

### Which is updated more often, 岛助手 or Coat?

岛助手 ships an update every 2 weeks, and Coat every 10 days. Most recently, 岛助手 was updated on October 31, 2026 and Coat on October 31, 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.*