# Castlenet Wi vs Background Eraser

The clearest difference is update cadence: Castlenet Wi at every 3 months against Background Eraser's every 21 months. Background Eraser's advantage is iOS requirement (15.0 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, Background Eraser every 21 months. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Castlenet Wi | Background Eraser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 21 months |
| Size | 8 MB | 3 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Castlenet](https://appshunter.io/developer/1533272535) | [Yogesh Rathod](https://appshunter.io/developer/1548316962) |

## 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


### Background Eraser

[App page](https://appshunter.io/ios/app/background-eraser-automatic/id1604073393)

**Features:** 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 Background Eraser free?

Background Eraser is free to download, with no in-app purchases.

### Do Castlenet Wi or Background Eraser have ads?

Neither Castlenet Wi nor Background Eraser shows ads.

### Which is updated more often, Castlenet Wi or Background Eraser?

Castlenet Wi ships an update every 3 months, and Background Eraser every 21 months. Most recently, Castlenet Wi was updated on October 8, 2026 and Background Eraser on October 25, 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.*