# RadexM vs Dark Message Crypto Chat

The clearest difference is update cadence: RadexM at every 3 weeks against Dark Message Crypto Chat's every 6 months. RadexM also leads on ratings volume (19 vs 2). On price, rating, review sentiment and ads there is nothing between them.

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

Dark Message Crypto Chat holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: RadexM has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

RadexM ships an update every 3 weeks, Dark Message Crypto Chat every 6 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | RadexM | Dark Message Crypto Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (19 ratings)](https://appshunter.io/ios/app/radexm/id1524841479/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dark-message-crypto-chat/id6760596467/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 113 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KVARTA-RAD, OOO](https://appshunter.io/developer/1524841481) | [aleksandr bronnikov](https://appshunter.io/developer/1885003900) |

## What reviewers say

### RadexM

[App page](https://appshunter.io/ios/app/radexm/id1524841479)

This utility app enhances the functionality of RADEX devices by allowing easy settings adjustments and providing a history of measurements. View your data in graphical or tabular formats after connecting via Bluetooth.

**Highlights:** Bluetooth device connection, Quick settings changes, Measurement history tracking, Graphical data display, Tabular data display

**In-app purchases:** none


### Dark Message Crypto Chat

[App page](https://appshunter.io/ios/app/dark-message-crypto-chat/id6760596467)

Securely encrypt messages, photos, and documents offline using military-grade encryption. Share encrypted content through any app, and recipients can decrypt it with a shared passphrase. Protect your private conversations and confidential documents without needing an internet connection.

**Highlights:** Offline encryption for messages, photos, and documents, AES-256-GCM military-grade encryption, PBKDF2 brute-force protection, No internet permissions, Secure passphrase storage in iOS Keychain, Supports various document types

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

**In-app purchases:** none


## Frequently asked questions

### Is RadexM free?

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

### Is Dark Message Crypto Chat free?

Dark Message Crypto Chat is free to download, with no in-app purchases.

### Which has better reviews, RadexM or Dark Message Crypto Chat?

Dark Message Crypto Chat is rated higher. RadexM averages 4.8 out of 5 from 19 ratings, while Dark Message Crypto Chat averages 5.0 from 2 ratings.

### Do RadexM or Dark Message Crypto Chat have ads?

Neither RadexM nor Dark Message Crypto Chat shows ads.

### Which is updated more often, RadexM or Dark Message Crypto Chat?

RadexM ships an update every 3 weeks, and Dark Message Crypto Chat every 6 months. Most recently, RadexM was updated on October 20, 2026 and Dark Message Crypto Chat on October 20, 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.*