# IRONDOTS CHAT vs Encodex

The clearest difference is in-app purchases: Encodex at none against IRONDOTS CHAT's 1. Encodex also leads on update cadence (every 6 days vs every 6 months). IRONDOTS CHAT's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. IRONDOTS CHAT sells 1 one-off in-app purchase. Encodex asks for nothing beyond the download.

IRONDOTS CHAT ships an update every 6 months, Encodex every 6 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IRONDOTS CHAT | Encodex |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 36 MB | 21 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL NAPIORKOWSKI IT](https://appshunter.io/developer/1622191838) | [Dieu Doan](https://appshunter.io/developer/6809473186) |

## What reviewers say

### IRONDOTS CHAT

[App page](https://appshunter.io/ios/app/irondots-chat/id6736770133)

This app enables secure, encrypted text messaging solely through sound waves, without requiring an internet connection. It prioritizes user privacy with anonymous operation and robust end-to-end encryption, ensuring messages are unreadable by unauthorized parties.

**Highlights:** Encrypted text messaging via sound, Offline operation, no internet needed, Anonymous usage, no registration required, End-to-end encryption, Physical separation for security, Compliant with European Data Protection Act

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Export/Import Private Key | $29.99 | one-time |


### Encodex

[App page](https://appshunter.io/ios/app/encodex-encoder-and-decoder/id6813501461)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IRONDOTS CHAT free?

IRONDOTS CHAT is free to download, with in-app purchases available.

### Is Encodex free?

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

### Do IRONDOTS CHAT or Encodex have ads?

Encodex shows ads; IRONDOTS CHAT does not.

### Which is updated more often, IRONDOTS CHAT or Encodex?

IRONDOTS CHAT ships an update every 6 months, and Encodex every 6 days. Most recently, IRONDOTS CHAT was updated on October 24, 2026 and Encodex on October 31, 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.*