Communicate easily and securely
with Sdui

Sdui works on all smartphones, tablets and as a web app on every computer. The clear design guarantees easy handling. All teachers, parents and students each have their own account, and even inexperienced users get along well with the intuitive user interface.

Send and receive news

Parents letter via app

Share important announcements -
incl. attachment as PDF, picture or similar

read receipt

In 3 seconds with a fingertip 

Send feedback

Push notification

Sdui answers
with news by itself


Get everyone involved and
get measurable results

Timetable with substitutions

Automatically synchronized

... with the school's timetable program (e.g. Untis, aSc, DAVINCI ...)

Filtered individually

Everyone only sees what is him 

personally concerns

Maximum privacy

Parents have no insight into teachers' absences

Planning security

Teachers can see plans of the rooms, classes and colleagues

Free online consulting call

Learn how Sdui can help you with distance learning

Communicate securely in chat

created Groups

... for all classes, courses and certain groups of people (e.g. all teachers)

One-way vs. open chat

Teachers can decide
when can be written

Safe WhatsApp alternative

Works as easy as 

well-known messengers

Without cell phone number

No mobile phone number or private email address is required to use it

Share and collect files in the cloud


Enough space for files for school use

created folders

For all classes, courses and selected groups of people (e.g. all teachers)

German servers with SSL encryption

All dates are
Saved in compliance with GDPR

Collect files
in the delivery folder

Students can upload assignments and receive corrections

Integrate further services into the menu

As required:
Everything can be integrated

Every conceivable web service can be integrated directly via a link

Flexible and long-term

So Sdui grows with you and adapts to future tools and requirements

Moodle, HPI School Cloud, Logineo & more

Particularly suitable for the integration of country solutions, LMS & Co.

Everything in one place

From school websites to bus timetables: Sdui becomes the central app for everything

Teach digitally via video conference

Safe alternative
to Teams & Zoom

German servers

Straight from the
Start chat out

Be with one click
Classes and courses achieved

Share screen,
report & more

Practical functions for
distance learning

Voice calls soon too

Soon without a cell phone number
phone via Sdui

Simply translate texts

Over 20 languages

From Arabic to Vietnamese:
Parents can choose their language themselves

School security

As a school, you can be sure
that important information arrives

Get everyone involved

Parents with a migration background can have a say and participate

Less misunderstandings

Misunderstandings and constant inquiries are avoided

Free online consulting call

Learn how Sdui can help you with distance learning

Quickly switch between accounts

Multiple accounts
possible per device

Simply enter your login details
and switch with two clicks

Also switch between accounts across schools

Practical, for example, for teachers who have a child at another school

Ideal for parents with several children

Always stay logged in and receive all notifications

Your own environment
for the school board

Via an extra account: school management and IT staff are networked with the provider

Reach everyone on site via the info screen

The info screen is optionally available as a supplement and shows all relevant information and representatives directly in the school building. There is a small hardware module for this, which works with every available monitor, regardless of the manufacturer. Just plug in and get started.