Simple and secure communication
with Sdui

Sdui works on all smartphones, tablets and as a web app via any computer. The clear design guarantees easy handling. All teachers, educators, parents, and students have their own accounts, and even inexperienced users can easily navigate the intuitive user interface.


Audio feedback with voice messages

Audio feedback

Use voice messages to overcome the hurdles of written language by giving audio feedback.

Intuitive handling

To start recording, simply tap on the microphone


It’s up to your decision! If the chat is set to One-Way, users without admin rights cannot send voice messages.

Clear overview thanks to the playlist

By pressing and holding the voice message, you get a play list. This helps you find out who has already heard your message.

Collaboration with LibreOffice

Group work

Work in groups more easily through collaboration with LibreOffice

Accessible for all

Launch LibreOffice regardless of the operating system

Cooperation regardless of distance

Ideal for video conferencing in distance learning


Get started straight away without lengthy conversion, as all common file types are supported

Digital Class Register


For a clear overview assign homework with the time effort needed and with a clear deadline


Check off digital list within seconds and synchronize sick notes with secretary's office

Record teaching material

Option to document the class and to take notes

Filter by person

Assign entries to the pupils and and refer to these in conversations with their parents.

Digitale Krankmeldungen per App

Krankmeldungen per App

Dank automatischer Erfassung im System sind Sekretariat & Lehrkräfte informiert

Schnelle Anwesenheitskontrolle

Krankmeldungen sind schon in der hinterlegten Liste vermerkt

Digitale Kenntnisnahme

Krankmeldungen für die Eltern mit einem Klick als gesehen markieren


Individuelle Abwesenheitskategorien festlegen für mehr Übersicht

Send and receive news

Letters to parents via the application

Share important announcements - incl. attachments such as PDF, image, etc..

Read receipts

Within 3 Sekunden by fingertip  

Push notifications

Sdui sends you
push notifications


Involve everyone and get
measurable results.

Timetable with substitutions

Automatically synchronised

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

Individually filtered

Everyone sees only what concerns her/him  


Highest level of privacy

Parents are not able to view the absences of teachers

Planning security

Teachers can view plans of rooms, classes and colleagues

Communicate securely in the chat

created groups

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

One-Way vs. offener Chat

Teachers can decide ,
when and for how long the recipients may
respond to the messages

A secure alternative to WhatsApp

Works as simple as  

the already well-known messengers

No phone numbers needed

To use it no private phone number or private email is required

Teach digitally via videoconference

Safe alternative
to Teams & Zoom

GDPR compliant on
German servers

Start directly from the

One single click takes you to
classes and courses

Share screen,
report & more

Practical and useful functions for
distance learning

Voice calls coming soon

Coming soon: Call via Sdui
without having to use a cell phone number

Free online consultation

Learn how Sdui can facilitate your daycare and school life in the shortest possible time

Share and collect files in the cloud

storage space

Enough storage 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

The data is stored according to
GDPR standards

Access to the data
in the assignments folder

Students can upload assignments and receive corrections

Have texts translated easily

Over 42 languages

From Arabic to Vietnamese:
Parents can choose the language they prefer

Security for the school

In your school, you can be sure
that all important information will reach you

Involve everybody

Parents with an immigration background can fully participate in the process

Less misunderstanding

Misunderstandings and constant unnecessary inquiries are easily avoided

Integrate additional services into the menu

Depending on your needs:
Anything can be integrated

Any conceivable web service can be integrated directly via a link

Flexible and long-term

This is how Sdui grows with you and adapts to future tools & requirements

Moodle, HPI Schul-Cloud, Logineo & mehr

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

Everything accessible through one application

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

Quickly switch between accounts

Multiple accounts
per device possible

Create accounts within seconds
and switch between them with two clicks

Switch between accounts even if they were created for different schools

Especially practical for teachers who have children who attend different schools

Ideal for parents who have more than one child

Always stay logged in and receive all notifications

A separate environment
for school authorities.

Per Extra Account: School administrators and IT staff are getting connected with the authority

Reach everyone on site via Infoscreen

The Infoscreen is available as an additional option and shows all relevant information and substitutions directly in the school building. For this purpose, there is a small hardware module that works with any available monitor, regardless of the manufacturer. Simply plug it in and get started.

How can Sdui help make preschool and school life easier right away? Learn more now!

It is the biggest motivation for me to know that I have contributed to making the daily routine in schools and preschools easier in the long term.

Artavazd Andranikyan

Business Development Manager


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