# Cryptobox vs Zynnia

The clearest difference is update cadence: Zynnia at every 6 days against Cryptobox's every 3 months. Zynnia also leads on iOS requirement (12.0 vs 15.6). 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.

Cryptobox ships an update every 3 months, Zynnia every 6 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Cryptobox | Zynnia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptobox/id972602802/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 43 MB | 70 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ercom](https://appshunter.io/developer/972602801) | [Zynnia](https://appshunter.io/developer/1827513785) |

## What reviewers say

### Cryptobox

[App page](https://appshunter.io/ios/app/cryptobox/id972602802)

A secure platform for sharing confidential documents and collaborating on sensitive projects. It offers seamless security features for protecting shared information across devices, leveraging expertise from classified environments.

**Highlights:** Secure document sharing, Confidential data collaboration, Cross-device file access, Seamless security features, Enterprise-grade protection

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

**In-app purchases:** none


### Zynnia

[App page](https://appshunter.io/ios/app/zynnia/id6748831042)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cryptobox free?

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

### Is Zynnia free?

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

### Do Cryptobox or Zynnia have ads?

Neither Cryptobox nor Zynnia shows ads.

### Which is updated more often, Cryptobox or Zynnia?

Cryptobox ships an update every 3 months, and Zynnia every 6 days. Most recently, Cryptobox was updated on November 1, 2026 and Zynnia on October 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.*