# 案件云 vs aiM18 ESSP

案件云 and aiM18 ESSP 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.

案件云 ships an update every 6 weeks, aiM18 ESSP every 3 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 案件云 | aiM18 ESSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 40 MB | 70 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海律杏信息科技有限公司](https://appshunter.io/developer/1575648011) | [Multiable](https://appshunter.io/developer/787053370) |

## What reviewers say

### 案件云

[App page](https://appshunter.io/ios/app/id1575648009)

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

**In-app purchases:** none


### aiM18 ESSP

[App page](https://appshunter.io/ios/app/aim18-essp/id6478584807)

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

**In-app purchases:** none


## Frequently asked questions

### Is 案件云 free?

案件云 is free to download, with no in-app purchases.

### Is aiM18 ESSP free?

aiM18 ESSP is free to download, with no in-app purchases.

### Do 案件云 or aiM18 ESSP have ads?

Neither 案件云 nor aiM18 ESSP shows ads.

### Which is updated more often, 案件云 or aiM18 ESSP?

案件云 ships an update every 6 weeks, and aiM18 ESSP every 3 weeks. Most recently, 案件云 was updated on October 30, 2026 and aiM18 ESSP on October 27, 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.*