SIMSme – Your secure messenger

SIMSme – Your secure messenger


Sending messages with SIMSme is completely safe and private — no eavesdropping possible! SIMSme is a free messenger app with real end-to-end encryption — guaranteed by Deutsche Post. Download now!

The first one million users receive free access to the self-destruction feature for messages!

SIMSme was awarded the 'Trusted App' seal for highly secure apps by mediaTest digital in cooperation with TÜViT.

# Do you like sharing photos with your friends, but don't want them to be accessible on the Internet forever?

# Are you looking for a free messenger that provides a high degree of data security?

# Do you prefer to send encrypted voice messages?

# Do you require a fast communication method for work purposes, but find that traditional chat services are not safe enough for business secrets? Would you prefer if your professional communication was encrypted?

# Are you looking for a service for your children to use that you can unreservedly trust with personal information?

SIMSme offers all the features that you have come to expect from a modern and advanced messaging app – and much more:

REAL END-TO-END ENCRYPTION
Your data remains YOUR data. Messages are encrypted on the sender's device and can only be decrypted on the recipient's device. Even we, the operators, cannot view your messages on our own servers.

FREE FOREVER
Save on fees compared to traditional SMS or other messengers.

SELF-DESTRUCTING MESSAGES
With SIMSme, you can either set an expiration date, or make your messages, photos or other content only available for a certain period of time. Our "self-destruction" feature serves to keep private matters truly private!

VOICE MESSAGES
Now you can also send voice messages to your contacts - no eavesdropping possible!

MULTIMEDIA
Send photos, videos, contacts and locations - encrypted, of course!

NO EXTRA PHONE BOOK
SIMSme uses your phone/address book to connect you to your contacts. The phone numbers in your phone book are anonymized and compared to our user database in an encrypted manner. A connection is only established if we can find both your contact and yourself on our service. Contacts who have not yet signed up to use SIMSme will never be saved on our server. Guaranteed.

SERVERS LOCATED IN GERMANY
The SIMSme servers are located in Germany and will stay there. Of course, this also means that your data has to be handled in accordance with German Data Protection Guidelines!

Download SIMSme now and stay up to date at all times – in both your professional and private lives.

Do you have any questions, suggestions or comments regarding SIMSme? We look forward to receiving your feedback! Please contact us at [email protected]

Recent changes:
Thank you very much for your helpful feedback! With your help we have made further improvements. New in this version:
- Proxy connection now possible (proxy must be configured under WLAN settings)
- Improved troubleshooting for network errors
- Problems with newly created accounts have been corrected
- Crashes that sometimes occurred been corrected
- Prefixes corrected for some countries
- FAQ improved
- Improvements to the display of sent messages
- Improvements to stability
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Free
67
3.4
User ratings
11455
Installs
500,000+
Concerns
2
File size
17017 kb
Screenshots
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About SIMSme – Your secure messenger
Sending messages with SIMSme is completely safe and private — no eavesdropping possible! SIMSme is a free messenger app with real end-to-end encryption — guaranteed by Deutsche Post. Download now!

The first one million users receive free access to the self-destruction feature for messages!

SIMSme was awarded the 'Trusted App' seal for highly secure apps by mediaTest digital in cooperation with TÜViT.

# Do you like sharing photos with your friends, but don't want them to be accessible on the Internet forever?

# Are you looking for a free messenger that provides a high degree of data security?

# Do you prefer to send encrypted voice messages?

# Do you require a fast communication method for work purposes, but find that traditional chat services are not safe enough for business secrets? Would you prefer if your professional communication was encrypted?

# Are you looking for a service for your children to use that you can unreservedly trust with personal information?

SIMSme offers all the features that you have come to expect from a modern and advanced messaging app – and much more:

REAL END-TO-END ENCRYPTION
Your data remains YOUR data. Messages are encrypted on the sender's device and can only be decrypted on the recipient's device. Even we, the operators, cannot view your messages on our own servers.

FREE FOREVER
Save on fees compared to traditional SMS or other messengers.

SELF-DESTRUCTING MESSAGES
With SIMSme, you can either set an expiration date, or make your messages, photos or other content only available for a certain period of time. Our "self-destruction" feature serves to keep private matters truly private!

VOICE MESSAGES
Now you can also send voice messages to your contacts - no eavesdropping possible!

MULTIMEDIA
Send photos, videos, contacts and locations - encrypted, of course!

NO EXTRA PHONE BOOK
SIMSme uses your phone/address book to connect you to your contacts. The phone numbers in your phone book are anonymized and compared to our user database in an encrypted manner. A connection is only established if we can find both your contact and yourself on our service. Contacts who have not yet signed up to use SIMSme will never be saved on our server. Guaranteed.

SERVERS LOCATED IN GERMANY
The SIMSme servers are located in Germany and will stay there. Of course, this also means that your data has to be handled in accordance with German Data Protection Guidelines!

Download SIMSme now and stay up to date at all times – in both your professional and private lives.

Do you have any questions, suggestions or comments regarding SIMSme? We look forward to receiving your feedback! Please contact us at [email protected]

Recent changes:
Thank you very much for your helpful feedback! With your help we have made further improvements. New in this version:
- Proxy connection now possible (proxy must be configured under WLAN settings)
- Improved troubleshooting for network errors
- Problems with newly created accounts have been corrected
- Crashes that sometimes occurred been corrected
- Prefixes corrected for some countries
- FAQ improved
- Improvements to the display of sent messages
- Improvements to stability

User reviews of SIMSme – Your secure messenger
Write the first review for this app!
Android Market Comments
A Google User
Apr 19, 2015
Gute Bedienbarkeit aber Leider wenige Benutzer vorhanden.
A Google User
Apr 18, 2015
Alsome Is it good
A Google User
Feb 20, 2015
Nette idee Aber die Umsetzung. Mein Gott ihr seid Nen DAX Unternehmen und liefert so eine unfertige App ab. Wirklich beschämend. Es läuft einfach nichts rund. Alles hakt, dauert lange, uraltes Design Modell. Was soll man sagen.
A Google User
Feb 19, 2015
Good Encrypted Chat App Even though there are still a bunch of features I'd still like to see, this is a very good start. If it's enhanced & maintained, it'll earn a fifth star from me.
A Google User
Feb 17, 2015
Heidewitzka! Diese App hat so viele Ecken und Kanten, dass ich eigentlich darüber lachen will. Gleichzeitig aber will ich weinen. Ein perfektes Beispeil für ein Produkt, was von einem Konzern entwurfen wurde.
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