# NDscanner Lite vs Eco4

The clearest difference is ads: Eco4 at none against NDscanner Lite's shown. Eco4 also leads on monetization model (free vs ad-supported). On price, in-app purchases, device support 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.

## The numbers

| Metric | NDscanner Lite | Eco4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eco4/id1592435141/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 188 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Kawakami](https://appshunter.io/developer/721449462) | [Kelement International INC](https://appshunter.io/developer/1359482752) |

## What reviewers say

### NDscanner Lite

[App page](https://appshunter.io/ios/app/ndscanner-lite/id916456481)

This utility automatically saves book page images to your photo album when it detects a page turn and stillness. It offers a streamlined way to digitize physical documents. A full version is available without advertisements.

**Highlights:** Automatic page detection, Image saving to Photo Album, Non-destructive scanning, Ad-supported free version, Full version available

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

**In-app purchases:** none


### Eco4

[App page](https://appshunter.io/ios/app/eco4/id1592435141)

This app simplifies the connection and operation of smart security equipment. It allows users to control devices remotely and set up intelligent timing tasks for enhanced security. The focus is on providing a seamless and user-friendly smart security experience.

**Highlights:** Simple configuration and operation, Remote device control, Create timing tasks, Intelligent security features, User-friendly experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDscanner Lite free?

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

### Is Eco4 free?

Eco4 is free to download, with no in-app purchases.

### Do NDscanner Lite or Eco4 have ads?

NDscanner Lite shows ads; Eco4 does not.

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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.*