# Copiosus vs LockChat

The clearest difference is update cadence: LockChat at every 3 weeks against Copiosus's every 4 months. LockChat also leads on iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Copiosus ships an update every 4 months, LockChat every 3 weeks. The most recent releases landed on August 27, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Copiosus | LockChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lockchat/id1618960720/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 4 MB | 250 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Verbosus.com](https://appshunter.io/developer/560869166) | [Galaxkey Limited](https://appshunter.io/developer/621324034) |

## What reviewers say

### Copiosus

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

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

**In-app purchases:** none


### LockChat

[App page](https://appshunter.io/ios/app/lockchat/id1618960720)

This app provides end-to-end encrypted messaging, ensuring your conversations are private and secure. It offers advanced features for corporate clients, including server management and user control.

**Highlights:** End-to-end encrypted chat, User-controlled keys, Corporate server management, User management, Contact list integration, Secure file transfer

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Copiosus free?

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

### Is LockChat free?

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

### Do Copiosus or LockChat have ads?

Neither Copiosus nor LockChat shows ads.

### Which is updated more often, Copiosus or LockChat?

Copiosus ships an update every 4 months, and LockChat every 3 weeks. Most recently, Copiosus was updated on August 27, 2026 and LockChat on July 7, 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.*