# OKSO vs EXTRA SAFE

The clearest difference is update cadence: EXTRA SAFE at fortnightly against OKSO's every 6 weeks. 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.

OKSO ships an update every 6 weeks, EXTRA SAFE fortnightly. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | OKSO | EXTRA SAFE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (96 ratings)](https://appshunter.io/ios/app/extra-safe-self-custody-chat/id6745936574/reviews)** |
| Number of ratings | — | **96** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 84 MB | 92 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirchenkreis Simmern Trarbach](https://appshunter.io/developer/1814327533) | [Alex Keselman](https://appshunter.io/developer/1716223941) |

## What reviewers say

### OKSO

[App page](https://appshunter.io/ios/app/okso/id6745882641)

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

**In-app purchases:** none


### EXTRA SAFE

[App page](https://appshunter.io/ios/app/extra-safe-self-custody-chat/id6745936574)

Communicate securely with end-to-end encrypted messaging and self-destructing messages. Enjoy anonymous voice and video calls with P2P connections and on-device encryption keys. Prioritizes privacy with identity-free setup and no metadata collection.

**Highlights:** End-to-end encrypted messaging, Self-destructing messages and files, Anonymous P2P voice and video calls, Encrypted file transfer, Identity-free setup, Private P2P video meetings

**In-app purchases:** none


## Frequently asked questions

### Is OKSO free?

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

### Is EXTRA SAFE free?

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

### Do OKSO or EXTRA SAFE have ads?

Neither OKSO nor EXTRA SAFE shows ads.

### Which is updated more often, OKSO or EXTRA SAFE?

OKSO ships an update every 6 weeks, and EXTRA SAFE fortnightly. Most recently, OKSO was updated on September 22, 2026 and EXTRA SAFE on September 28, 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.*