Copiosus
by Verbosus.com
· Social Networking
· Free
On the App Store since August 2019
· Data updated
Copiosus is made and published by Verbosus.com. AppBrain is an independent app data site and isn't affiliated with Verbosus.com. The app name, icon, screenshots and description belong to Verbosus.com and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- November 19, 2025
- Size
- 3.96 MB
User feedback
Ratings and reviews on the App StoreComments on Copiosus for iOS
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Store listing
By Verbosus.com, from the App Store
Screenshots by Verbosus.com, from the the App Store listing
Description by Verbosus.com Written by the developer, not by AppBrain. Click to read.
Copiosus is just another P2P chat application.
This software is provided "as is" without warranties or conditions of any kind, either expressed or implied.
Please download this app only if:
- You care about security.
- You don't care about a beautiful UI.
- You like to try apps other than WhatsApp and Signal.
Features:
- Send messages.
- Send files and images.
- Block users.
- Two factor authentication (MFA)
- End-to-end encryption using an asymmetric key.
- Improved end-to-end security using a security key as a second factor which encrypts data using a shared symmetric key.
- Minimal privileges required.
- No in app purchases.
- No ads.
How does end-to-end encryption work in this app:
1. Whenever you send a message M a random symmetric key R is generated
2. R is encrypted using the asymmetric (public) key of the other user resulting in A
3. M is encrypted with R resulting in N
4. If security key S is set: N is encrypted by S
5. N and A is sent to the destination
This software is provided "as is" without warranties or conditions of any kind, either expressed or implied.
Please download this app only if:
- You care about security.
- You don't care about a beautiful UI.
- You like to try apps other than WhatsApp and Signal.
Features:
- Send messages.
- Send files and images.
- Block users.
- Two factor authentication (MFA)
- End-to-end encryption using an asymmetric key.
- Improved end-to-end security using a security key as a second factor which encrypts data using a shared symmetric key.
- Minimal privileges required.
- No in app purchases.
- No ads.
How does end-to-end encryption work in this app:
1. Whenever you send a message M a random symmetric key R is generated
2. R is encrypted using the asymmetric (public) key of the other user resulting in A
3. M is encrypted with R resulting in N
4. If security key S is set: N is encrypted by S
5. N and A is sent to the destination
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 3.96 MB
- Content rating
- Everyone
Technologies used by Copiosus
Releases
Updates seen on the App Store- Version
- 1.4.5
- Launched
- August 2019
No changelog data
Alternatives
Similar apps and more from Verbosus.com
Rankings
App Store top chartsApp Store Rankings for Copiosus
This app is not ranked
About the app and developer
About Copiosus
Copiosus is a social networking app developed by Verbosus.com.
What is the rating of Copiosus?
Copiosus has no ratings yet.
Is Copiosus free?
Copiosus is free. The app size is 3.96 MB. The latest version available is 1.4.5. The last update was on November 19, 2025.
What are the requirements for Copiosus?
The app has a content rating of Everyone. The app has been available on the App Store since August 2019.
Developer information for Verbosus.com
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