# 甬环智控 vs Phone Master

The clearest difference is in-app purchases: 甬环智控 at none against Phone Master's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Phone Master sells 2 in-app purchases, starting at $3.99 per 7 days. 甬环智控 asks for nothing beyond the download.

甬环智控 ships an update every 2 months, Phone Master monthly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 甬环智控 | Phone Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (79 ratings)](https://appshunter.io/ios/app/phone-master-clean-storage/id6474995568/reviews)** |
| Number of ratings | — | **79** |
| Positive reviews | — | 30.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 58 MB | 83 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浙江飞源环境工程有限公司](https://appshunter.io/developer/1472176721) | [士菊 张](https://appshunter.io/developer/1680439974) |

## What reviewers say

### 甬环智控

[App page](https://appshunter.io/ios/app/id1610448264)

**Features:** macOS Compatibility

**In-app purchases:** none


### Phone Master

[App page](https://appshunter.io/ios/app/phone-master-clean-storage/id6474995568)

Optimize your device's storage with tools to clean duplicate and large files, compress media, and manage contacts. Secure your private photos and contacts with a vault feature. Offers tutorials for power saving and cleaning.

**Highlights:** Clean duplicate and similar photos/videos, Compress images and videos, Remove photo GPS metadata, Private photo and contact vault, Backup contacts, Clean clipboard

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| life membership | $14.99 | one-time |


## Frequently asked questions

### Is 甬环智控 free?

甬环智控 is free to download, with no in-app purchases.

### Is Phone Master free?

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

### Do 甬环智控 or Phone Master have ads?

Neither 甬环智控 nor Phone Master shows ads.

### Which is updated more often, 甬环智控 or Phone Master?

甬环智控 ships an update every 2 months, and Phone Master monthly. Most recently, 甬环智控 was updated on November 7, 2026 and Phone Master on November 8, 2026.

---

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