# Erredi App vs DUOMO POLISTENA

The clearest difference is update cadence: Erredi App at every 4 weeks against DUOMO POLISTENA's every 7 months. 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.

Erredi App ships an update every 4 weeks, DUOMO POLISTENA every 7 months. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Erredi App | DUOMO POLISTENA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 7 months |
| Size | 16 MB | 49 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DBM International S.r.l.](https://appshunter.io/developer/1644915869) | [Filippo Andreacchio](https://appshunter.io/developer/1645853403) |

## What reviewers say

### Erredi App

[App page](https://appshunter.io/ios/app/erredi-app/id1644915867)

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

**In-app purchases:** none


### DUOMO POLISTENA

[App page](https://appshunter.io/ios/app/duomo-polistena/id6448133939)

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

**In-app purchases:** none


## Frequently asked questions

### Is Erredi App free?

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

### Is DUOMO POLISTENA free?

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

### Do Erredi App or DUOMO POLISTENA have ads?

Neither Erredi App nor DUOMO POLISTENA shows ads.

### Which is updated more often, Erredi App or DUOMO POLISTENA?

Erredi App ships an update every 4 weeks, and DUOMO POLISTENA every 7 months. Most recently, Erredi App was updated on October 11, 2026 and DUOMO POLISTENA 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.*