# Castlenet Wi vs 39Tools

The clearest difference is update cadence: Castlenet Wi at every 3 months against 39Tools's every 9 months. 39Tools's advantage is iOS requirement (12.0 vs 17.6). 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.

Castlenet Wi ships an update every 3 months, 39Tools every 9 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Castlenet Wi | 39Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 8 MB | 112 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Castlenet](https://appshunter.io/developer/1533272535) | [策 王](https://appshunter.io/developer/1681706231) |

## What reviewers say

### Castlenet Wi

[App page](https://appshunter.io/ios/app/castlenet-wi-fi-mesh/id1533370746)

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

**In-app purchases:** none


### 39Tools

[App page](https://appshunter.io/ios/app/39tools/id6447797534)

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

**In-app purchases:** none


## Frequently asked questions

### Is Castlenet Wi free?

Castlenet Wi is free to download, with no in-app purchases.

### Is 39Tools free?

39Tools is free to download, with no in-app purchases.

### Do Castlenet Wi or 39Tools have ads?

Neither Castlenet Wi nor 39Tools shows ads.

### Which is updated more often, Castlenet Wi or 39Tools?

Castlenet Wi ships an update every 3 months, and 39Tools every 9 months. Most recently, Castlenet Wi was updated on November 3, 2026 and 39Tools 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.*