# Signature Maker Doc Scanner vs 電子黒板plus

The clearest difference is ads: 電子黒板plus at none against Signature Maker Doc Scanner's shown. 電子黒板plus also leads on update cadence (every 3 days vs every 36 months). 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.

Signature Maker Doc Scanner ships an update every 36 months, 電子黒板plus every 3 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Signature Maker Doc Scanner | 電子黒板plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/signature-maker-doc-scanner/id1640018505/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 36 months | **Every 3 days** |
| Size | 6 MB | 33 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deepak Jalwa](https://appshunter.io/developer/1809904290) | [mio goya](https://appshunter.io/developer/6781063951) |

## What reviewers say

### Signature Maker Doc Scanner

[App page](https://appshunter.io/ios/app/signature-maker-doc-scanner/id1640018505)

**Features:** macOS Compatibility

**In-app purchases:** none


### 電子黒板plus

[App page](https://appshunter.io/ios/app/plus/id6781063949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Signature Maker Doc Scanner free?

Signature Maker Doc Scanner is free to download, with no in-app purchases.

### Is 電子黒板plus free?

電子黒板plus is free to download, with no in-app purchases.

### Do Signature Maker Doc Scanner or 電子黒板plus have ads?

Signature Maker Doc Scanner shows ads; 電子黒板plus does not.

### Which is updated more often, Signature Maker Doc Scanner or 電子黒板plus?

Signature Maker Doc Scanner ships an update every 36 months, and 電子黒板plus every 3 days. Most recently, Signature Maker Doc Scanner was updated on October 24, 2026 and 電子黒板plus on October 12, 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.*