# Ampernet vs Estar Digital Castro

The clearest difference is iOS requirement: Ampernet at 13.0 against Estar Digital Castro's 15.6. 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.

Ampernet ships an update every 2 months, Estar Digital Castro every 6 weeks. The most recent releases landed on October 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ampernet | Estar Digital Castro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 114 MB | 67 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DATACAKE SERVICOS EM TECNOLOGIA LTDA](https://appshunter.io/developer/511371309) | [Cidatec Tecnologia e sistema LTDA](https://appshunter.io/developer/1385878822) |

## What reviewers say

### Ampernet

[App page](https://appshunter.io/ios/app/ampernet/id1555718782)

**Features:** macOS Compatibility

**In-app purchases:** none


### Estar Digital Castro

[App page](https://appshunter.io/ios/app/estar-digital-castro/id6444539646)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ampernet free?

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

### Is Estar Digital Castro free?

Estar Digital Castro is free to download, with no in-app purchases.

### Do Ampernet or Estar Digital Castro have ads?

Neither Ampernet nor Estar Digital Castro shows ads.

### Which is updated more often, Ampernet or Estar Digital Castro?

Ampernet ships an update every 2 months, and Estar Digital Castro every 6 weeks. Most recently, Ampernet was updated on October 5, 2026 and Estar Digital Castro on October 30, 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.*