Threema: The top Alternative to WhatsApp is victorious in the Test
Whatsapp Alternative Threema has emerged as the test winner; he is the only Messenger, the Stiftung Warentest as a non-critical scaling:
- Threema is working with an end-to-end Encryption (E2EE). Before sending a message, encrypted Messenger, this. The encryption will only be lifted when the receiver - third parties cannot view the data, not even the provider itself.
- In the terms and conditions you accept that Threema contacts transmits entries to its servers. The Transfer is effected under a pseudonym, your identity is protected.
- Criticism Stiftung Warentest exercises to transparency: Threema does not disclose its source code. The Messenger sent to encrypts your data, whether the encrypted data can not be excluded in the third land, but.
- Currently get the App for the price of € 1.60 for Android and 1.79 € for iOS.

Telegram: a critical Alternative according to the Stiftung Warentest
With the im service Telegram you communicate more secure than WhatsApp. Nevertheless, the Messenger has multiple vulnerabilities:
- Also Telegram encrypts your data via E2EE. You don't need to do this by Hand, because it belongs to the standard configuration. Your address book entries stores a Telegram without your consent. The App does not transfer any data to third parties.
- In the terms and conditions the provider is entitled to store the entries from your address book.
- On the contrary to the other messengers of the source code of Telegram is partially disclosed. Stiftung Warentest did not have access to the Software programming complete; unencrypted data transfer could exclude the auditors, however.
- The Alternative to WhatsApp Telegram's free for Android and iOS.

Datenschuzt verdict: very critical - WhatsApp, Blackberry Messenger and Line
WhatsApp as a measure of things is privacy advocates a thorn in the eye. But also of the Alternatives to the Blackberry Messenger and Line advises Stiftung Warentest ab.
- WhatsApp and Line is transmitted unencrypted your data. When Blackberry Messenger, the encryption could not be clearly determined. Some personal data the iOS Version transmits but unencrypted, to a third party.
- The terms and conditions of the three Messenger are directed totally against the user: While Line and WhatsApp entitle to change its provisions at any time, without notice to the user, allows the Blackberry Messenger, to combine their data with those from other sources.
- None of the three Chat services will not disclose its source code. Foundation goods test could not, therefore, consider, which of your data with the third land.
- Line, and Blackberry Messenger can be obtained for Android and iOS for free. For WhatsApp you currently pay annually 0,99 dollars - the equivalent of 89 cents.
- The individual Details of the test you will find cost-free on test.de.

Test verdict: Not all of WhatsApp-Alternatives to optimize data protection
In order to protect your data, we recommend Stiftung Warentest on the Messenger "Threema" to Dodge. Those who want to absolutely pay nothing, chat with Telegram is safer than WhatsApp, indemnifies the provider, its address book entries. The Blackberry Messenger, and the Chat service Line in Terms of privacy as critical, such as WhatsApp itself. The detailed Test you will find here.
In the case of the privacy Test Stiftung Warentest has taken into account not only the safety aspects. Functionality and scope of the Apps are not included in the assessment. In our picture gallery we show you more WhatsApp Alternatives.
