# Duco Installation App vs Wollo

The clearest difference is device support: Wollo at 3 against Duco Installation App's 1. Wollo also leads on iOS requirement (13.0 vs 16.0). 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.

Duco Installation App ships an update every 2 months, Wollo every 3 months. The most recent releases landed on September 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Duco Installation App | Wollo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 154 MB | 21 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duco](https://appshunter.io/developer/1245700074) | [DEUSE](https://appshunter.io/developer/1291290064) |

## What reviewers say

### Duco Installation App

[App page](https://appshunter.io/ios/app/duco-installation-app/id1593421862)

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

**In-app purchases:** none


### Wollo

[App page](https://appshunter.io/ios/app/wollo/id1643154403)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duco Installation App free?

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

### Is Wollo free?

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

### Do Duco Installation App or Wollo have ads?

Neither Duco Installation App nor Wollo shows ads.

### Which is updated more often, Duco Installation App or Wollo?

Duco Installation App ships an update every 2 months, and Wollo every 3 months. Most recently, Duco Installation App was updated on September 4, 2026 and Wollo on September 18, 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.*