# IRONDOTS CHAT vs WhisperKey

The clearest difference is update cadence: WhisperKey at daily against IRONDOTS CHAT's every 6 months. IRONDOTS CHAT's advantage is device support and iOS requirement (14.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. IRONDOTS CHAT sells 1 one-off in-app purchase and WhisperKey sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

IRONDOTS CHAT ships an update every 6 months, WhisperKey daily. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IRONDOTS CHAT | WhisperKey |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Free | — |
| Size | 36 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [MICHAL NAPIORKOWSKI IT](https://appshunter.io/developer/1622191838) | [Eugenio Liscio](https://appshunter.io/developer/1811803750) |

## 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 |


### WhisperKey

[App page](https://appshunter.io/ios/app/whisperkey/id6780291200)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhisperKey Annual | $9.99 | per year |


## Frequently asked questions

### Is IRONDOTS CHAT free?

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

### Is WhisperKey free?

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

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

IRONDOTS CHAT ships an update every 6 months, and WhisperKey daily. Most recently, IRONDOTS CHAT was updated on November 4, 2026 and WhisperKey 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.*