# sign vs Langdock

The clearest difference is update cadence: Langdock at every 2 weeks against sign's every 9 months. Langdock also leads on device support (3 vs 1). sign's advantage is iOS requirement (16.0 vs 26.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

sign ships an update every 9 months, Langdock every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | sign | Langdock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/langdock/id6741772965/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **40.0% of reviews** | 32.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 52 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [D-Trust GmbH](https://appshunter.io/developer/1572798038) | [Langdock GmbH](https://appshunter.io/developer/1795498588) |

## What reviewers say

### sign

[App page](https://appshunter.io/ios/app/sign-me-2fa/id1572798036)

This app provides a secure second factor for authenticating qualified electronic signatures. It ensures your online signatures are legally compliant and protected.

**Highlights:** eIDAS-compliant remote signature solution, Legally sign electronic documents, Second factor authentication for QES, Recommended for qualified electronic signature approval

**In-app purchases:** none


### Langdock

[App page](https://appshunter.io/ios/app/langdock/id6741772965)

Access your company's AI models and team agents directly from your iPhone, iPad, or Apple Watch. Search the web with sources, integrate with connected tools, and manage projects securely with organizational accounts. Dictate messages and receive real-time updates on your lock screen.

**Highlights:** Chat with workspace AI models, Web search with sources, Team agents and projects, Tool integrations with approval, Voice dictation, Live Activities and widgets, Apple Watch integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sign free?

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

### Is Langdock free?

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

### Do sign or Langdock have ads?

Neither sign nor Langdock shows ads.

### Which is updated more often, sign or Langdock?

sign ships an update every 9 months, and Langdock every 2 weeks. Most recently, sign was updated on November 3, 2026 and Langdock on November 8, 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.*