# MySign vs DC4.0

The clearest difference is update cadence: DC4.0 at every 5 days against MySign's every 3 weeks. MySign's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

MySign ships an update every 3 weeks, DC4.0 every 5 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | MySign | DC4.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/mysign/id1633019232/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 317 MB | 42 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Viettel Telecom](https://appshunter.io/developer/365850426) | [VNPT Media Corporation](https://appshunter.io/developer/1142483774) |

## What reviewers say

### MySign

[App page](https://appshunter.io/ios/app/mysign/id1633019232)

This app enables secure remote digital signatures for documents and transactions using your mobile device. It offers easy authentication and approval, meeting European eIDAS and Vietnamese legal standards for digital signatures.

**Highlights:** Remote digital signing, Secure document authentication, Transaction approval, Mobile and tablet support, eIDAS compliant, Vietnamese legal compliance

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

**In-app purchases:** none


### DC4.0

[App page](https://appshunter.io/ios/app/dc40/id6736500435)

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

**In-app purchases:** none


## Frequently asked questions

### Is MySign free?

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

### Is DC4.0 free?

DC4.0 is free to download, with no in-app purchases.

### Do MySign or DC4.0 have ads?

Neither MySign nor DC4.0 shows ads.

### Which is updated more often, MySign or DC4.0?

MySign ships an update every 3 weeks, and DC4.0 every 5 days. Most recently, MySign was updated on October 6, 2026 and DC4.0 on October 6, 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.*