# KeeperChat Encrypted Messenger vs Copiosus

The clearest difference is iOS requirement: KeeperChat Encrypted Messenger at 14.0 against Copiosus's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KeeperChat Encrypted Messenger ships an update every 2 months, Copiosus every 4 months. The most recent releases landed on September 20, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | KeeperChat Encrypted Messenger | Copiosus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (389 ratings)](https://appshunter.io/ios/app/keeperchat-encrypted-messenger/id1216446440/reviews)** | — |
| Number of ratings | **389** | — |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 109 MB | 4 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Callpod Inc.](https://appshunter.io/developer/287170075) | [Verbosus.com](https://appshunter.io/developer/560869166) |

## What reviewers say

### KeeperChat Encrypted Messenger

[App page](https://appshunter.io/ios/app/keeperchat-encrypted-messenger/id1216446440)

This secure messaging app offers end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Features include self-destructing messages, message retraction, biometric login, and a private media vault that keeps photos off your device's gallery.

**Highlights:** End-to-end message encryption, Self-destruct timer, Message retraction, Private media vault, Biometric login, Zero-knowledge security architecture

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🔒 Secure and private messaging
- 🚀 Useful features like self-destructing messages
- 👍 Sleek and user-friendly interface
- 🔒 Encrypted data storage

**What reviewers complain about**

- 🐛 Unreliable chat functionality, messages not getting through
- 🔒 Concerns about privacy and data security
- 🔋 App frequently logs users out, causing frustration
- 💰 Expensive subscription model

**Reported bugs**

- Invitations not being received by contacts
- Inability to delete entire chat histories
- Inconsistent performance, app crashes and freezes

**Requested features**

- Ability to organize media in folders
- Option to change contact display names
- Customizable notification messages
- Seamless integration with other devices


### Copiosus

[App page](https://appshunter.io/ios/app/copiosus/id1475444882)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KeeperChat Encrypted Messenger free?

KeeperChat Encrypted Messenger is free to download, with no in-app purchases.

### Is Copiosus free?

Copiosus is free to download, with no in-app purchases.

### Do KeeperChat Encrypted Messenger or Copiosus have ads?

Neither KeeperChat Encrypted Messenger nor Copiosus shows ads.

### Which is updated more often, KeeperChat Encrypted Messenger or Copiosus?

KeeperChat Encrypted Messenger ships an update every 2 months, and Copiosus every 4 months. Most recently, KeeperChat Encrypted Messenger was updated on September 20, 2026 and Copiosus on August 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*