# 精益云 vs 慧工云IN3+

The clearest difference is iOS requirement: 慧工云IN3+ at 13.0 against 精益云's 15.0. 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.

精益云 ships an update every 5 weeks, 慧工云IN3+ every 3 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 精益云 | 慧工云IN3+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 42 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou SmartFact Technology Co., Ltd.](https://appshunter.io/developer/1181738210) | [Suzhou Industics Information Technology Co., Ltd.](https://appshunter.io/developer/1600811285) |

## What reviewers say

### 精益云

[App page](https://appshunter.io/ios/app/id1261276605)

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

**In-app purchases:** none


### 慧工云IN3+

[App page](https://appshunter.io/ios/app/in3-plus/id1645219148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 精益云 free?

精益云 is free to download, with no in-app purchases.

### Is 慧工云IN3+ free?

慧工云IN3+ is free to download, with no in-app purchases.

### Do 精益云 or 慧工云IN3+ have ads?

Neither 精益云 nor 慧工云IN3+ shows ads.

### Which is updated more often, 精益云 or 慧工云IN3+?

精益云 ships an update every 5 weeks, and 慧工云IN3+ every 3 weeks. Most recently, 精益云 was updated on November 2, 2026 and 慧工云IN3+ 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.*