# OneCryption vs Greenbox Safe

The clearest difference is update cadence: Greenbox Safe at every 3 weeks against OneCryption's every 4 months. Greenbox Safe also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. OneCryption sells 5 in-app purchases, starting at $49.99 per month and Greenbox Safe sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

OneCryption ships an update every 4 months, Greenbox Safe every 3 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OneCryption | Greenbox Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onecryption/id1399893476/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 11 MB | 45 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Hell](https://appshunter.io/developer/329510560) | [Discus IT](https://appshunter.io/developer/543285708) |

## What reviewers say

### OneCryption

[App page](https://appshunter.io/ios/app/onecryption/id1399893476)

This app offers true offline encryption for messages, photos, videos, and files. It emphasizes absolute secrecy through direct key exchange and no server reliance, ensuring quantum-proof security.

**Highlights:** Offline encryption for messages and files, Direct key exchange, No server reliance, Quantum-proof security, File and media encryption, Simple encryption/decryption

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features monthly | $49.99 | per month |
| Premium features yearly | $500.00 | per year |
| Key of size 100MB | $0.99 | one-time |
| Key of size 500MB | $0.99 | one-time |
| Premium Lifetime | $399.99 | one-time |


### Greenbox Safe

[App page](https://appshunter.io/ios/app/greenbox-safe/id6755424031)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Greenbox Premium (Monthly) | $4.99 | per month |
| Greenbox Premium (Yearly) | $49.99 | per year |
| Greenbox Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is OneCryption free?

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

### Is Greenbox Safe free?

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

### Do OneCryption or Greenbox Safe have ads?

Neither OneCryption nor Greenbox Safe shows ads.

### Which is updated more often, OneCryption or Greenbox Safe?

OneCryption ships an update every 4 months, and Greenbox Safe every 3 weeks. Most recently, OneCryption was updated on October 14, 2026 and Greenbox Safe on October 11, 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.*