# 卡罗影像 vs 城市慧管+

卡罗影像 and 城市慧管+ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

卡罗影像 ships an update every 3 weeks, 城市慧管+ fortnightly. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 卡罗影像 | 城市慧管+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 81 MB | 69 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [卡罗科技](https://appshunter.io/developer/1060360258) | [上海城建城市运营(集团)有限公司](https://appshunter.io/developer/1514346450) |

## What reviewers say

### 卡罗影像

[App page](https://appshunter.io/ios/app/id1237590520)

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

**In-app purchases:** none


### 城市慧管+

[App page](https://appshunter.io/ios/app/plus/id1514346451)

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

**In-app purchases:** none


## Frequently asked questions

### Is 卡罗影像 free?

卡罗影像 is free to download, with no in-app purchases.

### Is 城市慧管+ free?

城市慧管+ is free to download, with no in-app purchases.

### Do 卡罗影像 or 城市慧管+ have ads?

Neither 卡罗影像 nor 城市慧管+ shows ads.

### Which is updated more often, 卡罗影像 or 城市慧管+?

卡罗影像 ships an update every 3 weeks, and 城市慧管+ fortnightly. Most recently, 卡罗影像 was updated on September 9, 2026 and 城市慧管+ on September 16, 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.*