Dead Drop

Secure private messenger

Social Networking

Free

Rating summary

Details about Dead Drop

Released
Updated
iOS Version
Age Rating
Size
Devices
Languages

April 23, 2024
October 6, 2024
17.0+
4+
24.07MB
iPhone, iPad
English

Developer of Dead Drop

Ultra Horizon Ltd

⭐️0 / 5

Rating↘︎

🙌0

Ratings

📼7 scs

Media↘︎

📦~ in 2 weeks

Updates frequency↘︎

🗣❌ unsupported

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Versions
Price History
Description
FAQ

Version History of Dead Drop

1.3.1

September 24, 2024

This version brings: - End to end encrypted calling. Enjoy crystal clear calls with your Dead Drop contacts. - Fixes to minor UI bug/glitches. - Stability and security improvements to the cryptographic and networking engines. - Deprecation of point-to-point encrypted external file sharing.

1.2.0

August 7, 2024

This version brings: - Group messaging support. Enjoy conversations with multiple contacts at the same time! - A redesigned profile screen that allows you to see your key fingerprint and scan new contacts. - Stability and security improvements to the cryptographic and networking engines.

1.1.7

June 16, 2024

This version brings: - Stability and performance improvements to the chat screen. - Other minor bug fixes.

1.1.6

June 14, 2024

This version brings: - New notification controls; mute individual chats and hiding message content from notifications. - Clicking on notifications will take you to the relevant chat. - Only notifications related to the chat you are viewing are now cleared. - App notification badge support. - Drafts in chats will be remembered locally on your device if you close the chat or app. - Other minor bug fixes and improvements.

1.1.5

May 22, 2024

This release brings: - Improved performance and reliability for the Share Extension. - A fix for a bug that caused the app to crash when deleting messages. - Various other minor bug/crash fixes.

1.1.4

May 13, 2024

This release brings: - A new Share Extension, allowing you to share your favourite content from other applications on iOS to contacts on Dead Drop. - Various minor bug fixes.

1.1.3

April 24, 2024

This version introduces a few minor improvements, as well as bug fixes and stability enhancements: - Timestamp rendering has been updating to show exact times rather than relative times. - Fixed a crash that happens in some instances when deleting a contact. - Fixed a crash that happens in some instances of receiving a new message.

1.1.2

April 23, 2024

Price History of Dead Drop

Description of Dead Drop

Dead Drop is a secure, private and metadata-free messaging and calling platform. After opening the app, your device will generate a unique set of cryptographic keys that is used to securely communicate with others. To communicate, you will need to meet up with another user in person and verify each other's identity, and then scan each other's code to exchange public keys and add one another to your respective contact lists. Note that for privacy and security reasons, you can only receive messages or calls from users that are registed in your contacts list. As such, if you are not in possession of a public key for a particular user, you cannot receive their messages or call requests, thus eliminating unknown SPAM and mailicious messages. There is no user search function on the platform, users instead form their own private closed contact groups by exchanging keys in person. Cryptography details: - The app uses X25519 and Ed25519 keys for your own identity. - Authenticated HPKE is used to generate a unique symmetric key every time you send a message via X25519 with SHA256 as an encapsulation mechanism and SHA384 for key derivation. - Messages and calls are end-to-end encrypted using the ChaCha20-Poly1305 AEAD cipher.

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