# Mark Sign: eSign & Validate — Sign documents on your phone

> Sign documents on your phone (iPhone/iPad app by Mark ID, UAB.)

- Source: https://appshunter.io/ios/app/mark-sign-esign-and-validate/id6820410998 (this page in markdown: same URL + `.md`)
- Developer: [Mark ID, UAB](https://appshunter.io/developer/6820411000)
- Category: Productivity, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 18 MB
- Languages: American English, Estonian, Lithuanian, Polish
- Released: 2026-11-09
- Data updated: 2026-11-10

## What is Mark Sign?

Sign documents with qualified eSignatures. Legally binding documents throughout the EU. Secure and easy-to-use document signing process.

• Sign eDocuments with a qualified electronic signature.
• Check the validity of a signed eDocument.
• Single account for teams.

Many ways to verify your identity. Sign documents from anywhere in the world using your Smart-ID, Mobile-ID, LT ID or ZealiD.

Legally binding signatures. Under the EU eIDAS regulation, a qualified electronic signature has the same legal effect as a handwritten one.

## Is Mark Sign safe?

Not enough ratings yet to assess Mark Sign.

## Is Mark Sign legit?

Mark Sign: eSign & Validate has limited verification signals. The AppsHunter Legitimacy Score for Mark Sign is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-11-09

Bug fixes and improvements. Filled PDF form fields no longer appear twice in the document preview.

### 1.0 — 2026-11-09

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-10.*