# EcoStream vs Duco Installation App

The clearest difference is update cadence: Duco Installation App at every 2 months against EcoStream's every 19 months. EcoStream's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EcoStream ships an update every 19 months, Duco Installation App every 2 months. The most recent releases landed on September 17, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | EcoStream | Duco Installation App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Size | 27 MB | 154 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BUVA](https://appshunter.io/developer/1304938879) | [Duco](https://appshunter.io/developer/1245700074) |

## What reviewers say

### EcoStream

[App page](https://appshunter.io/ios/app/ecostream/id1410079111)

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

**In-app purchases:** none


### Duco Installation App

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

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

**In-app purchases:** none


## Frequently asked questions

### Is EcoStream free?

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

### Is Duco Installation App free?

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

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

Neither EcoStream nor Duco Installation App shows ads.

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

EcoStream ships an update every 19 months, and Duco Installation App every 2 months. Most recently, EcoStream was updated on September 17, 2026 and Duco Installation App on September 4, 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.*