OneCryption
Christian Hell
Free
rated 5.0 stars
About OneCryption
ONE – True Privacy Begins Offline
ONE is the world’s first truly offline encryption app.
Meet your contact in person, exchange a key directly, and communicate with absolute secrecy. No servers. No metadata. No way in.
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How it works
1. Meet and exchange identity
Verify your contact face to face — no online profiles, no leaks.
2. Create and share a one-time pad key
Generate a unique key on your device and hand it over directly — never online.
3. Start communicating
Encrypt or decrypt messages, photos, videos, audiomessages, or files instantly — even offline.
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Why ONE is different
Offline by design: Keys never pass through the internet.
No interception possible: There is no network path to hack.
Quantum-proof: Even future computers cannot break a key they never saw.
Simple to use: Tap once to encrypt, tap again to decrypt.
Full control: Create, manage, and share keys securely between devices.
File and media encryption: Protect your images, videos, and documents of any size.
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Perfect for
Journalists and whistleblowers
Businesses handling confidential files
Couples, friends, and teams who value absolute privacy
Anyone tired of “secure” messengers that rely on servers
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Why meet in person?
Because true privacy starts offline.
No cloud. No backdoors. Just you, your contact, and your key.
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Experience absolute privacy
ONE is more than an app – it is a statement.
No registration. No tracking. No data mining.
Just mathematically perfect encryption – 100 percent unbreakable.
Download ONE now and take back control of your privacy.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ONE is the world’s first truly offline encryption app.
Meet your contact in person, exchange a key directly, and communicate with absolute secrecy. No servers. No metadata. No way in.
---
How it works
1. Meet and exchange identity
Verify your contact face to face — no online profiles, no leaks.
2. Create and share a one-time pad key
Generate a unique key on your device and hand it over directly — never online.
3. Start communicating
Encrypt or decrypt messages, photos, videos, audiomessages, or files instantly — even offline.
---
Why ONE is different
Offline by design: Keys never pass through the internet.
No interception possible: There is no network path to hack.
Quantum-proof: Even future computers cannot break a key they never saw.
Simple to use: Tap once to encrypt, tap again to decrypt.
Full control: Create, manage, and share keys securely between devices.
File and media encryption: Protect your images, videos, and documents of any size.
---
Perfect for
Journalists and whistleblowers
Businesses handling confidential files
Couples, friends, and teams who value absolute privacy
Anyone tired of “secure” messengers that rely on servers
---
Why meet in person?
Because true privacy starts offline.
No cloud. No backdoors. Just you, your contact, and your key.
---
Experience absolute privacy
ONE is more than an app – it is a statement.
No registration. No tracking. No data mining.
Just mathematically perfect encryption – 100 percent unbreakable.
Download ONE now and take back control of your privacy.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
OneCryption Screenshots
Reviews for OneCryption
AcidTrigger
Secure
App works great! Would love to see integration with iMessage so that users could open/read encrypted messages within the messages app and send new encrypted messages within the messages app.
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