# IRONDOTS CHAT vs QuantumPass

The clearest difference is iOS requirement: IRONDOTS CHAT at 14.0 against QuantumPass's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. IRONDOTS CHAT sells 1 one-off in-app purchase and QuantumPass sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

IRONDOTS CHAT ships an update every 6 months, QuantumPass every 10 months. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | IRONDOTS CHAT | QuantumPass |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 10 months |
| Monetization | Free | — |
| Size | 36 MB | 3 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MICHAL NAPIORKOWSKI IT](https://appshunter.io/developer/1622191838) | [Valerie Otero](https://appshunter.io/developer/1848585337) |

## 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 |


### QuantumPass

[App page](https://appshunter.io/ios/app/quantumpass/id6755789663)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Medium coffee | $3.99 | one-time |
| Large coffee | $5.99 | one-time |


## Frequently asked questions

### Is IRONDOTS CHAT free?

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

### Is QuantumPass free?

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

### Do IRONDOTS CHAT or QuantumPass have ads?

Neither IRONDOTS CHAT nor QuantumPass shows ads.

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

IRONDOTS CHAT ships an update every 6 months, and QuantumPass every 10 months. Most recently, IRONDOTS CHAT was updated on November 4, 2026 and QuantumPass on November 9, 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.*