Nocturne - NextGen Messenger

Nocturne: The NextGen Messaging App for the World's Most Private and Free Communication
Nocturne is an innovative messaging app designed with privacy as the top priority. After a set time, sent and received messages are completely deleted from all devices and servers. Enjoy communicating securely with your loved ones.
- The Origin of Nocturne -
The name 'Nocturne' embodies the idea that by cherishing the present, it becomes a wonderful memory when looked back upon in the future. We aim to make the digital world a better place by providing a comfortable messaging app where users can communicate with peace of mind.
Nocturne uses 'Ciphergrid,' our proprietary digital ID developed with blockchain technology, as the user ID. This enhances security, prevents user impersonation, and allows securely consolidating and logging in with other social accounts. Loading the digital ID may take a short time.  
We want to reduce the sadness caused by the inability to express emotions well or by misunderstandings. We hope you cherish and enjoy each message. Keep what's important in your heart, and enjoy comfortable communication with Nocturne.
- Key Features -
GenAI Characters
Feeling lonely? Need someone to listen? Just want to talk? We will be adding our unique AI characters to be there for you in such times! Nocturne's AI characters are unique personalities developed using an inference engine based on LLMs. Your conversations are not used for learning or data collection, and conversation history is not stored. The AI generates responses thoughtfully, like a human, using the inference engine based on the last 10 turns of conversation between the AI and the user. Additionally, this conversation history can be instantly reset at any time by pressing the delete button. Enjoy conversations with various AI characters with peace of mind.
Reliable Connection During Disasters or Offline
By implementing a Mesh Network, temporary offline communication is possible even when the internet is unavailable.
Easier Connection in Low-Bandwidth Environments
IGF messages (standard chat) are highly compressed. This makes it easier to send and receive messages in areas with unstable internet or during disasters, and also reduces packet data usage.
Thorough Privacy Protection
Message content is never monitored, transferred, or sold. End-to-end encryption ensures message security.
Automatic Message Deletion (IGF)
Sent and received messages are automatically deleted after a set time (default: 1 day). The deletion timer can be set up to 7 days. In individual chats, this period can be extended by an additional 28 days. (Thanks to the compression feature, usage is comfortable even in low-bandwidth environments.)  
Secret Mode
Send sensitive information like passwords hidden from view. Rest assured, regular chats are also encrypted.
Emotion Icons
Express feelings that words alone can't convey with a rich variety of emotion icons. Convenient commands like reacting to messages, saving, deleting, copying, and forwarding are also available.
Enlarge Effect
Enjoy messages, GIFs, images, and even emotion icons displayed larger.
As a Japanese startup, we release updates every two weeks and are constantly evolving.
Currently, we receive server and GenAI support from Google, keeping our financial burden low, but to fund our future global expansion, growth, and associated development costs, we plan to release a monetization model within 2025, offering either function unlocks via ad viewing or a premium subscription with additional features. We appreciate your understanding and support.