Two apps that take your privacy seriously
ms-nostalgia vs Signal
Signal is among the best for privacy and we recommend it. ms-nostalgia shares the essentials with Signal and adds the fun of the 2000s.
comparison.xls| Feature | ms-nostalgia | Signal |
|---|---|---|
| End-to-end encryption by default | YesYes, with MLS | YesYes, with the Signal protocol |
| Post-quantum protection | YesYes, with X-Wing | YesYes |
| Create an account without a phone number | YesYes, with your Microsoft account | PartlyIn beta on Android since September 2026 |
| Username | Yes@username | Yes@username |
| Nudges, winks and nicks | YesYes, the classics | NoNo |
| Online, Away and Busy statuses | YesYes, with a contact list | NoNo |
| Encrypted voice and video calls | YesYes, one to one | YesYes, in groups too |
| Group chats | NoNot yet | YesYes |
| Open source | NoNo | YesYes |
| Phone and computer apps | PartlyIn the browser; installs as an app | YesiPhone, Android, Windows, Mac and Linux |
End-to-end encryption by default
Yesms-nostalgia: Yes, with MLS
YesSignal: Yes, with the Signal protocol
Post-quantum protection
Yesms-nostalgia: Yes, with X-Wing
YesSignal: Yes
Create an account without a phone number
Yesms-nostalgia: Yes, with your Microsoft account
PartlySignal: In beta on Android since September 2026
Username
Yesms-nostalgia: @username
YesSignal: @username
Nudges, winks and nicks
Yesms-nostalgia: Yes, the classics
NoSignal: No
Online, Away and Busy statuses
Yesms-nostalgia: Yes, with a contact list
NoSignal: No
Encrypted voice and video calls
Yesms-nostalgia: Yes, one to one
YesSignal: Yes, in groups too
Group chats
Noms-nostalgia: Not yet
YesSignal: Yes
Open source
Noms-nostalgia: No
YesSignal: Yes
Phone and computer apps
Partlyms-nostalgia: In the browser; installs as an app
YesSignal: iPhone, Android, Windows, Mac and Linux
Signal is a trademark of its owner; ms-nostalgia is not affiliated. We compare with public information reviewed in November 2026. If something changed, write to us at support@moydev.com.