# Ferroamp Installer vs Diller Check

The clearest difference is iOS requirement: Diller Check at 13.0 against Ferroamp Installer's 16.4. 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ferroamp Installer | Diller Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 77 MB | 34 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ferroamp AB](https://appshunter.io/developer/1685154836) | [Uzbektelecom AK OJSC](https://appshunter.io/developer/939497366) |

## What reviewers say

### Ferroamp Installer

[App page](https://appshunter.io/ios/app/ferroamp-installer/id6448623957)

**Features:** Vision Pro support

**In-app purchases:** none


### Diller Check

[App page](https://appshunter.io/ios/app/diller-check/id6743934619)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ferroamp Installer free?

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

### Is Diller Check free?

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

### Do Ferroamp Installer or Diller Check have ads?

Neither Ferroamp Installer nor Diller Check shows ads.

### Which is updated more often, Ferroamp Installer or Diller Check?

Ferroamp Installer ships an update every 3 weeks, and Diller Check every 3 weeks. Most recently, Ferroamp Installer was updated on October 17, 2026 and Diller Check on October 15, 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.*