Published by Jeff Johnson on 2021-12-02
1. All of your data is encrypted before it's sent over the network, and it can't be decrypted except by the other device using Underpass.
2. Underpass is different from every other encrypted communication app because it does not use a third-party service.
3. You can communicate with a Mac, iPhone, iPad, or iPod touch using Underpass.
4. Underpass can communicate between your own Apple devices or with another Underpass user.
5. Underpass even works on ad hoc peer-to-peer wifi networks.
6. Peer-to-peer (P2P) file transfer and chat, with end-to-end encryption for complete privacy and security.
7. Underpass is made by indie developer Jeff Johnson.
8. Underpass for iOS is also available in the iOS App Store.
9. No phone number, email, contacts, or any personal information requested, not even your real name.
10. You can communicate securely over the internet or on a LAN, such as in an office, school, coffee shop, or home.
11. Industry-standard AES-128 encryption algorithm.
12. Liked Underpass? here are 5 Utilities apps like My Verizon; myAT&T; T-Mobile; My Spectrum; Calculator & Math Solver;
Or follow the guide below to use on PC:
Select Windows version:
Install Underpass app on your Windows in 4 steps below:
Download a Compatible APK for PC
| Download | Developer | Rating | Current version |
|---|---|---|---|
| Get APK for PC → | Jeff Johnson | 1 | 2.0.0 |
Download on Android: Download Android
Very cool app.
Not at all user friendly
PC Apps 
