# 良信互联 vs 慧工云IN3+

The clearest difference is update cadence: 慧工云IN3+ at every 3 weeks against 良信互联's every 21 months. On price, ads, in-app purchases and device support there is nothing between them.

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

良信互联 ships an update every 21 months, 慧工云IN3+ every 3 weeks. The most recent releases landed on May 16, 2026 and December 23, 2025 respectively.

## The numbers

| Metric | 良信互联 | 慧工云IN3+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Size | 202 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海良信智能电工有限公司](https://appshunter.io/developer/1441732243) | [Suzhou Industics Information Technology Co., Ltd.](https://appshunter.io/developer/1600811285) |

## What reviewers say

### 良信互联

[App page](https://appshunter.io/ios/app/id1489916953)

**In-app purchases:** none


### 慧工云IN3+

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 良信互联 free?

良信互联 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 良信互联 or 慧工云IN3+ have ads?

Neither 良信互联 nor 慧工云IN3+ shows ads.

### Which is updated more often, 良信互联 or 慧工云IN3+?

良信互联 ships an update every 21 months, and 慧工云IN3+ every 3 weeks. Most recently, 良信互联 was updated on May 16, 2026 and 慧工云IN3+ on December 23, 2025.

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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.*