# FP Sign mobile vs Langdock

The clearest difference is update cadence: Langdock at every 2 weeks against FP Sign mobile's every 3 months. Langdock also leads on review sentiment (23% vs 14%). FP Sign mobile's advantage is iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

FP Sign mobile ships an update every 3 months, Langdock every 2 weeks. The most recent releases landed on October 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | FP Sign mobile | Langdock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | **22.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 106 MB | 45 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [FP InovoLabs GmbH](https://appshunter.io/developer/1376538859) | [Langdock GmbH](https://appshunter.io/developer/1795498588) |

## What reviewers say

### FP Sign mobile

[App page](https://appshunter.io/ios/app/fp-sign-mobile/id1376538860)

Digitally sign and exchange documents from any location with this secure and scalable solution. Streamline your document processes for contracts, offers, and certificates, ensuring fast and reliable execution with business partners.

**Highlights:** Digital document signing, Document exchange, Scalable packages, High integration capability, eIDAS compliant, Long-term archiving

**Features:** macOS Compatibility

**In-app purchases:** none


### Langdock

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

This platform unifies various AI language models and allows you to connect your own data sources. It helps you draft content, analyze data, generate code, and gain AI-powered insights for any project.

**Highlights:** Switch between major language models, Connect custom models, Upload documents and files, Integrate with existing software, Draft emails and generate code, Analyze data with AI insights

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

**In-app purchases:** none


## Frequently asked questions

### Is FP Sign mobile free?

FP Sign mobile is free to download, with no in-app purchases.

### Is Langdock free?

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

### Do FP Sign mobile or Langdock have ads?

Neither FP Sign mobile nor Langdock shows ads.

### Which is updated more often, FP Sign mobile or Langdock?

FP Sign mobile ships an update every 3 months, and Langdock every 2 weeks. Most recently, FP Sign mobile was updated on October 15, 2026 and Langdock on October 23, 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.*