# 焊林院 vs 慧工云IN3+

焊林院 and 慧工云IN3+ 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.

焊林院 ships an update monthly, 慧工云IN3+ every 3 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 焊林院 | 慧工云IN3+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 61 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai KongDe IT Co., LTD.](https://appshunter.io/developer/1235370082) | [Suzhou Industics Information Technology Co., Ltd.](https://appshunter.io/developer/1600811285) |

## What reviewers say

### 焊林院

[App page](https://appshunter.io/ios/app/id1235370083)

**Features:** macOS Compatibility

**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 焊林院 free?

焊林院 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 焊林院 or 慧工云IN3+ have ads?

Neither 焊林院 nor 慧工云IN3+ shows ads.

### Which is updated more often, 焊林院 or 慧工云IN3+?

焊林院 ships an update monthly, and 慧工云IN3+ every 3 weeks. Most recently, 焊林院 was updated on October 5, 2026 and 慧工云IN3+ on October 3, 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.*