# Usecrypt Messenger vs Threema OnPrem

The clearest difference is review sentiment: Usecrypt Messenger at 74% against Threema OnPrem's 0%. Usecrypt Messenger also leads on ratings volume (18 vs 3). Threema OnPrem's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Usecrypt Messenger sells 1 in-app purchase, starting at $14.49 per month. Threema OnPrem asks for nothing beyond the download.

Threema OnPrem holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Usecrypt Messenger has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 74% of Usecrypt Messenger's written reviews are positive against 0% of Threema OnPrem's, so the app with the better star average is not the one people write more warmly about.

Usecrypt Messenger ships an update monthly, Threema OnPrem weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Usecrypt Messenger | Threema OnPrem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (18 ratings)](https://appshunter.io/ios/app/usecrypt-messenger/id1235187240/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/threema-onprem/id1348687756/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | **74.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Subscription | **Free** |
| Size | 184 MB | 111 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Usecrypt Polska sp. z o. o.](https://appshunter.io/developer/1560702200) | [Threema GmbH](https://appshunter.io/developer/535112011) |

## What reviewers say

### Usecrypt Messenger

[App page](https://appshunter.io/ios/app/usecrypt-messenger/id1235187240)

Experience secure and private communication with advanced end-to-end encryption for text, voice, and video. This app offers anonymous, self-destructing messages and secure group calls, ensuring your conversations are safer than face-to-face interactions.

**Highlights:** End-to-end encryption, Self-destructing messages, Secure HD voice and video calls, Anonymous communication, Man-in-the-middle attack detection, Group calls

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $14.49 | per month |


### Threema OnPrem

[App page](https://appshunter.io/ios/app/threema-onprem/id1348687756)

This secure messaging solution offers organizations complete data sovereignty by hosting on their own servers. It provides end-to-end encrypted communication for teams, including voice and video calls, and secure file sharing, all protected by PIN or fingerprint.

**Highlights:** Self-hosted solution, Complete data sovereignty, End-to-end encrypted calls, Secure file sharing, Cross-platform compatibility, PIN/fingerprint chat protection

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Usecrypt Messenger free?

Usecrypt Messenger is free to download, with in-app purchases available.

### Is Threema OnPrem free?

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

### Which has better reviews, Usecrypt Messenger or Threema OnPrem?

Threema OnPrem is rated higher. Usecrypt Messenger averages 3.8 out of 5 from 18 ratings, while Threema OnPrem averages 5.0 from 3 ratings.

### Do Usecrypt Messenger or Threema OnPrem have ads?

Neither Usecrypt Messenger nor Threema OnPrem shows ads.

### Which is updated more often, Usecrypt Messenger or Threema OnPrem?

Usecrypt Messenger ships an update monthly, and Threema OnPrem weekly. Most recently, Usecrypt Messenger was updated on October 29, 2026 and Threema OnPrem on October 24, 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.*