# DTCT动环监控 vs PROJOY M

The clearest difference is iOS requirement: DTCT动环监控 at 9.0 against PROJOY M's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DTCT动环监控 ships an update every 2 months, PROJOY M every 4 months. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DTCT动环监控 | PROJOY M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 25 MB | 40 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang DataCenter Data and Technology Co.,Ltd](https://appshunter.io/developer/1483292797) | [Projoy Electric Co., Ltd.](https://appshunter.io/developer/1718026915) |

## What reviewers say

### DTCT动环监控

[App page](https://appshunter.io/ios/app/dtct/id1483292798)

**Features:** macOS Compatibility

**In-app purchases:** none


### PROJOY M

[App page](https://appshunter.io/ios/app/projoy-m-cloud-v2/id6472881964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DTCT动环监控 free?

DTCT动环监控 is free to download, with no in-app purchases.

### Is PROJOY M free?

PROJOY M is free to download, with no in-app purchases.

### Do DTCT动环监控 or PROJOY M have ads?

Neither DTCT动环监控 nor PROJOY M shows ads.

### Which is updated more often, DTCT动环监控 or PROJOY M?

DTCT动环监控 ships an update every 2 months, and PROJOY M every 4 months. Most recently, DTCT动环监控 was updated on October 19, 2026 and PROJOY M on October 5, 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.*