Available on the App Store · iPhone

OUT Messenger — the private iPhone messenger with no chat historySay it.Then it's gone.

OUT keeps your messages in memory, not in a chat archive on your phone. They disappear 10 minutes after they’re read, and unread messages expire within 24 hours. No phone number needed. End-to-end encrypted.

  • No chat archive
  • Held in memory (RAM)
  • End-to-end encrypted
  • Post-quantum PQXDH
  • No phone number

Demo runs at 60× speed

What a phone remembers

Your phone keeps more than you think.

Encryption protects a message while it travels. Once it lands, most messengers write it to a database on the phone, and iOS quietly keeps extra traces of its own: notification history, app activity, usage timelines.

Forensic examiners know exactly where to look. In the case against Paul Manafort, investigators read his WhatsApp messages from an iCloud backup. In the Oath Keepers trial, around 850 Signal chats were pulled from a single phone. And in 2026, a Texas court heard how deleted Signal messages were recovered from an iPhone’s notification database, even though the app itself had been removed.

These are not rare exceptions. Cases like these happen all over the world, every day. Forensic experts use tools from companies such as Cellebrite and Magnet Forensics to get past a phone’s protection, copy its storage and rebuild entire conversation histories, including messages the owner believed were deleted.

OUT is built so that none of those places is where your conversations live.

Artifact 01sqlite
/private/var/mobile/Library/SMS/sms.db

Message databases

Messaging apps keep conversations in SQLite files like this one. Deleted rows often survive in free space.

CriticalFull message text
Artifact 02segb
…/DuetExpertCenter/streams/userNotificationEvents

Notification history

iOS logs the notifications a phone receives. Examiner guides note it may contain parts of messages.

HighPartial message text
Artifact 03biome
…/Biome/streams/restricted/App.Intent

App activity streams

Small packets of data apps share with the system. These can include message content too.

HighPartial message text
Artifact 04sqlite
…/CoreDuet/Knowledge/knowledgeC.db

Usage timeline

A record of which app was open, when the screen was on, and when the phone was unlocked.

MetadataWho, when, how long

Locations from a June 2026 reference guide for forensic examiners covering iOS 6 to iOS 26.

Other messengers can be read. OUT Messenger can’t.

Pick a phone and run the same forensic extraction on it.

Choose a phone above to see what a forensic examiner would recover from it.

Extraction SummaryChats
ExtractionFull File System
ModeliPhone 15 Pro
Started
PathC:\Cases\2026-0412\…
Hash pending
Ready to extract.
0Messages
0Chats
0Notifications with text
0Message databases
0Attachments
0Cloud backup found
ConversationDetailsAttachments
Run an extraction to see what an examiner would find.

Illustration modelled on commercial forensic software. Names, numbers and messages are examples, not from a real case.

How it works

How disappearing messages work in OUT.

1

You send it

Your message is encrypted on your iPhone and held in working memory. OUT does not save decrypted messages to its files, your photo library or a chat backup.

2

They read it

It arrives in real time and is shown from memory. Sent, Delivered and Read states keep you in sync. Once it’s read, a small ring starts counting down.

3

It’s released

Ten minutes after reading, the message is gone. Unread copies expire within 24 hours. No history piles up on the phone.

0:00 read5:0010:00 gone

Ten minutes after reading is long enough for a real conversation and short enough that nothing piles up. There is no archive growing in the background, because there is no background.

What we leave out

Privacy by subtraction.

No chat archive. Anywhere in the app.

Other messengers treat your history as data to keep. OUT keeps message content in memory instead of a permanent chat archive on your iPhone. A forensic tool can only find what was written down, and OUT is designed not to write your conversations down.

RAM only

Text, photos and voice messages are held in working memory and released when their timer runs out.

Silent alerts

Notifications reveal neither the message nor the sender’s name, so the system’s notification history has nothing to keep.

No phone number

Create an OUT ID and choose a username. No address book upload, no SIM tied to your account.

A fixed lifespan

Ten minutes after reading, 24 hours if unread. There is no “keep forever” option to forget about.

No cloud backup

OUT makes no chat backup to iCloud or anywhere else. There is no archive copy to request.

Post-quantum end-to-end encryption

Messages are encrypted between the participating devices, with post-quantum PQXDH key agreement. A live check lets you confirm you are talking to the right person.

Private chats and small groups

Talk one-to-one or in a private group of up to eight people. Reply, react, and share photos and voice messages that vanish too.

Read our Privacy PolicyWhat we process, what we never collect, and your rights.

A different mindset

A different mindset

Other apps ask how long you want to keep your messages. We asked why keep them at all.
The idea behind OUT
How OUT compares with a typical messenger
FeatureTypical messengerOUT
Where messages liveDatabase on diskMemory only
How long they lastUntil you delete them10 min after reading
Deleted messagesOften recoverableNo chat archive to recover
Notification previewsCached by the systemNo text, no sender name
To sign up you needA phone numberA username
Contacts uploadUsually askedNever
Cloud backupsOften onNone

Who OUT is for

For conversations that matter.

Journalists and sources

Protect the people who trust you. A seized or lost phone should not become a list of your sources.

Lawyers and clients

Privileged conversations deserve more than “delete for everyone”. OUT keeps no chat history to hand over.

Executives and deal teams

Talk through deals, boards and negotiations without building a permanent record on every phone involved.

Anyone with a private life

Your family, your health, your relationships. Some conversations are nobody else’s business, ever.

Questions

Straight answers.

Anything else? Read the Privacy Policy or write to info@outmessenger.com.

What is OUT Messenger?

OUT Messenger is a private messaging app for iPhone. It keeps message content in memory instead of a permanent chat archive, deletes messages after they are read, and lets you sign up without a phone number.

How long do OUT messages last?

Every message disappears 10 minutes after it is read. Unread copies expire within 24 hours. Content can disappear sooner if iOS closes the app or you erase it.

Can forensic tools like Cellebrite recover OUT messages?

OUT is designed so there is no chat database or backup for an extraction tool to parse or carve. Message content is held in memory and notifications carry no text. No app can promise that iOS or a recipient never makes a copy, but OUT limits the history that exists in the first place.

Is OUT end-to-end encrypted?

Yes. Message content is encrypted between the participating devices, using post-quantum PQXDH key agreement, and a live check lets you verify who you are talking to. Our relay only moves encrypted envelopes it cannot read.

Why no phone number?

A phone number ties your account to your real identity and your contacts. OUT uses an OUT ID and a username you choose, and never uploads your address book. You decide who knows your username.

Is OUT free?

Text messaging, viewing received photos and listening to received voice messages are free. OUT Plus is an optional annual subscription for sending camera photos and voice messages up to 60 seconds.

Can the other person still save what I wrote?

They can take a screenshot or photograph their screen with another device, and no app can fully prevent that. OUT makes sure no chat archive is left on the phones. Who you talk to is still your call.

What if I need to keep something?

Then OUT is the wrong place for it, and that’s on purpose. Write it down somewhere you choose. OUT is for conversations that shouldn’t outlive the moment.

Is OUT meant for hiding crimes?

No. OUT is for people who believe a private conversation should stay private: journalists, lawyers, executives, activists and anyone who doesn’t want a lost or stolen phone to become a transcript of their life. OUT is for adults 18+, has zero tolerance for abuse, and every chat has report and block.

Which devices does OUT run on? Where can I download it?

OUT is built for iPhone and is available on the App Store. Search for “OUT Messenger”.

Talk freely. Leave nothing behind.

Download OUT for iPhone and have your first conversation that nobody can read back.

Free to download · iPhone · Questions? info@outmessenger.com