# 電子署名くん vs DPro Lite

The clearest difference is in-app purchases: DPro Lite at none against 電子署名くん's 2. DPro Lite also leads on update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 電子署名くん sells 2 in-app purchases, starting at $5.99 per month. DPro Lite asks for nothing beyond the download.

電子署名くん ships an update every 6 months, DPro Lite monthly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 電子署名くん | DPro Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 3 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [合同会社Aiquor](https://appshunter.io/developer/1839136713) | [株式会社KASHIKA](https://appshunter.io/developer/1870852846) |

## What reviewers say

### 電子署名くん

[App page](https://appshunter.io/ios/app/id6752371050)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro会員（1ヶ月） | $5.99 | per month |
| PDF保存（1回） | $1.99 | one-time |


### DPro Lite

[App page](https://appshunter.io/ios/app/dpro-lite/id6759543521)

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

**In-app purchases:** none


## Frequently asked questions

### Is 電子署名くん free?

電子署名くん is free to download, with in-app purchases available.

### Is DPro Lite free?

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

### Do 電子署名くん or DPro Lite have ads?

Neither 電子署名くん nor DPro Lite shows ads.

### Which is updated more often, 電子署名くん or DPro Lite?

電子署名くん ships an update every 6 months, and DPro Lite monthly. Most recently, 電子署名くん was updated on October 2, 2026 and DPro Lite on October 5, 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.*