# Kryptos Private Messenger vs Atom Messenger

The clearest difference is update cadence: Atom Messenger at every 3 weeks against Kryptos Private Messenger's every 8 months. Kryptos Private Messenger's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Kryptos Private Messenger ships an update every 8 months, Atom Messenger every 3 weeks. The most recent releases landed on October 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Kryptos Private Messenger | Atom Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kryptos-private-messenger/id1161366325/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 22 MB | 42 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Yurii Melashchenko](https://appshunter.io/developer/1531194323) | [igloocy s.r.l.](https://appshunter.io/developer/1691843040) |

## What reviewers say

### Kryptos Private Messenger

[App page](https://appshunter.io/ios/app/kryptos-private-messenger/id1161366325)

A secure messaging app that prioritizes user privacy by not requiring any personal information for participation. Communicate freely without compromising your identity.

**Highlights:** No personal information required, Private communication, Secure messaging, Anonymous participation

**Features:** macOS Compatibility

**In-app purchases:** none


### Atom Messenger

[App page](https://appshunter.io/ios/app/atom-messenger/id6450101210)

**In-app purchases:** none


## Frequently asked questions

### Is Kryptos Private Messenger free?

Kryptos Private Messenger is free to download, with no in-app purchases.

### Is Atom Messenger free?

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

### Do Kryptos Private Messenger or Atom Messenger have ads?

Neither Kryptos Private Messenger nor Atom Messenger shows ads.

### Which is updated more often, Kryptos Private Messenger or Atom Messenger?

Kryptos Private Messenger ships an update every 8 months, and Atom Messenger every 3 weeks. Most recently, Kryptos Private Messenger was updated on October 1, 2026 and Atom Messenger on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*