FP Sign mobile vs Langdock
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FP Sign mobile
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.
- Digital document signing
- Document exchange
- Scalable packages
- High integration capability
- eIDAS compliant
- Long-term archiving
Read full descriptionHide full description
"FP Sign is the perfect solution across all sectors and disciplines for signing and exchanging documents independent of time and location. Scalable packages, no training costs and a high level of integration capability offer new options for start-ups, medium-sized companies and groups of companies when it comes to digitalising document processes without media discontinuities With FP Sign mobile you can focus on what is essential and digitally sign contracts, offers, forms and certificates fast and reliably , and have them countersigned by your business partners - wherever and whenever. FP Sign was developed in Germany by FP Mentana-Claimsoft GmbH and uses computer centres in Germany, certified by the Federal Office for Information Security (BSI). The FP Sign software is eIDAS compliant and provides for the statutorily prescribed long-term archiving. Due to the innovative character, security features and its high scalability FP Sign is an excellent solution for medium-sized companies. FP Sign was awarded the βInnovationspreis-ITβ (IT Innovation Award) in the category Cloud Computing and thus belongs to the Best of 2017. FP Mentana-Claimsoft is a certified provider of the qualified Trust Service βDelivery of electronic registered mailβ in accordance with the European signature regulation eIDAS. Further information on the certifications and memberships can be found on the website of FP Mentana-Claimsoft."
Langdock
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.
- 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
Read full descriptionHide full description
Langdock brings your workspace's AI to your iPhone, iPad and Apple Watch. Chat with the models your company provides, use your team's agents and projects, search the web with sources, and let agents work in your connected tools, always with your approval. Langdock is built for work. You sign in with your organization's account, and your workspace admin decides which models, agents and integrations you can use. CHAT WITH YOUR WORKSPACE'S MODELS β’ Pick any model your workspace offers, or leave it on Auto and let Langdock choose β’ Set how hard a model thinks: higher levels take longer for better answers β’ Watch answers appear as they are written, with tables, code, math, charts and images β’ Regenerate an answer with a different model β’ Attach photos, take a picture, add files or files from your integrations, or paste, and ask about them β’ Files the AI creates arrive as cards you can open, preview and share WEB SEARCH AND DEEP RESEARCH β’ Search the web in a chat and see numbered sources next to the answer β’ Open the sources sheet to check where a claim comes from β’ Start a deep research run and read the finished report with its sources AGENTS, PROJECTS AND PROMPTS β’ Find your team's agents, pin your favorites and start a chat with one β’ Type @ in the message box to mention agents, integrations, knowledge folders and saved prompts β’ Keep instructions, files and chats together in a project β’ Pin, rename, search and organize your chat history, and switch between workspaces INTEGRATIONS, WITH YOU IN CONTROL β’ Agents can act in your connected tools, such as your CRM or your mail β’ When an action needs your OK, Langdock shows what it is about to do and waits for you to Confirm or Deny β’ Choose which connection to use, or reauthorize or add one without leaving the chat VOICE β’ Dictate a message with your voice on iPhone or Apple Watch ALWAYS WITHIN REACH β’ Live Activities and Dynamic Island: follow a long answer from the Lock Screen, see its steps, and get notified when it is done or needs you β’ Widgets: ask from the Home Screen, or add New chat, Dictate and Latest chat to your Lock Screen β’ Control Center and Action button: start a new chat or dictate with one tap β’ Siri, Shortcuts and Spotlight: "Ask Langdock", start a new chat, search your chats or open an agent β’ Quick actions: press and hold the app icon for New chat, Dictate, Camera or Search β’ Share extension: send text, web links, images and PDFs from any app straight into a chat (up to five files, 25 MB each) APPLE WATCH β’ Ask with your voice, read the answer on your wrist, reply with a quick tap and pick up recent chats β’ Add Langdock to your watch face or Smart Stack for one-tap access β’ Your watch signs in through your iPhone, so there is nothing to set up MADE FOR iOS 26 β’ Native SwiftUI design with Liquid Glass, light and dark mode, and Dynamic Type β’ iPhone and iPad, with the iPad in every orientation β’ Available in English and German β’ No ads, and no third-party tracking in the app Langdock requires iOS 26 or later and a Langdock workspace account. Ask your workspace admin if you do not have access yet.
Screenshots
Verdict
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.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
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.
| Parameter | FP Sign mobile | Langdock |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | 22.6% of reviews β better |
| Update frequency | Every 3 months | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 11.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 106 MB | 45 MB |
| Age rating | 4+ | 12+ |
| Developer | FP InovoLabs GmbH | Langdock GmbH |
Customer experience
FP Sign mobile
Langdock
In-app purchases
FP Sign mobile
No in-app purchases
Langdock
No in-app purchases









