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README.md
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@@ -8,35 +8,44 @@ A pocket DNS monitor and network filter.
## What is it?
AppCheck helps you identify which applications communicate with third parties.
It does so by logging network requests.
AppCheck learns only the destination addresses, not the actual data that is exchanged.
AppCheck helps you identify applications that communicate with other parties.
Your data belongs to you.
Therefore, monitoring and analysis take place on your device only.
The app does not share any data with us or any other third-party – unless you choose to.
Join [Testflight beta](https://testflight.apple.com/join/9jjaFeHO)
Join the [Testflight beta][testflight] or look at the evaluation results [appchk.de].
### How does it work?
AppCheck creates a local VPN tunnel to intercept all network connections.
For each connection AppCheck looks into the DNS headers only, namely the domain names.
These domain names are logged in the background while the VPN is active.
That means, AppCheck does not have to be active in the foreground all the time.
AppCheck creates a local VPN proxy to intercept all network connections.
For each connection, AppCheck looks into the DNS headers only, namely the domain names.
These domain names are logged in the background while the VPN is running.
AppCheck does not need to be active all the time.
### What about privacy?
Your data belongs to you.
Therefore, monitoring takes place on your device only.
AppCheck learns only the destination addresses, not the actual data that is exchanged.
The app does not share any data with us or any other third-party – unless you choose to.
### How can I contribute?
AppCheck allows you to record app-specific activity.
You can share these recordings with the community; it can help you and others avoid phony applications, even before you install an app.
Join the [Testflight beta][testflight]
## Features
- See outgoing (DNS) network requests in real-time
- See history of previous connections
- See the history of previous connections
- Block unwanted traffic based on domain names
- Record app specific activity<sup>1</sup>
- Record app-specific activity<sup>1</sup>
- Apply logging filters (block or ignore) and display filters (specific range or last x minutes)
- Sort results by time, name, or occurrence count
- Context Analysis
- What other domains occur often at the same time?
- What other domains often occur at the same time?
- What happened immediately before or after the action?
- Export results for custom analysis
- Alert Monitor & reminder
@@ -51,7 +60,19 @@ That means, AppCheck does not have to be active in the foreground all the time.
## Research Project
*information will be added soon™*
This research project is an effort to shine a light on the background activity of iOS apps, making the otherwise hidden network connections visible to everyone.
The goal is to make privacy more accessible to the general public.
And thus create incentives for app developers to respect users' privacy.
For now, go to the results page at [https://appchk.de/](https://appchk.de/).
Btw. we are searching for [help](https://appchk.de/help/) on our ongoing research project.
We want to offer users, activists, data protection authorities, and data protection officers an easily accessible and flexible tool to assess the privacy measures of iOS applications.
AppCheck allows users to:
- get a visual overview of an apps communication signature
- assess how an app ranks within its peer group or category
- influence the ranking according to their preferences
The evaluation results page is at [appchk.de].
[testflight]: https://testflight.apple.com/join/9jjaFeHO
[appchk.de]: https://appchk.de/