# CypherAir vs PGPKit

The clearest difference is in-app purchases: CypherAir at none against PGPKit's 1. CypherAir also leads on device support (4 vs 1). PGPKit's advantage is iOS requirement (16.4 vs 26.5). On price, update cadence and ads there is nothing between them.

Both are free to download. PGPKit sells 1 one-off in-app purchase. CypherAir asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | CypherAir | PGPKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pgpkit/id6816393888/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 79 MB | 23 MB |
| Requires iOS | 26.5 | **16.4** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [康 陈](https://appshunter.io/developer/1862348574) | [Can You Grab It LLC](https://appshunter.io/developer/6816393890) |

## What reviewers say

### CypherAir

[App page](https://appshunter.io/ios/app/cypherair/id6760628384)

**In-app purchases:** none


### PGPKit

[App page](https://appshunter.io/ios/app/pgpkit/id6816393888)

Securely send and receive encrypted messages with anyone using standard PGP implementations. This app handles the complexities of encryption, ensuring your communications are private and verifiable, all processed directly on your device without servers or accounts.

**Highlights:** Send and receive encrypted messages, Verify message authenticity, Repair damaged encrypted messages, Secure key backups, Face ID for key access, Offline operation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PGPKit Pro | $9.99 | one-time |


## Frequently asked questions

### Is CypherAir free?

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

### Is PGPKit free?

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

### Do CypherAir or PGPKit have ads?

Neither CypherAir nor PGPKit shows ads.

### Which is updated more often, CypherAir or PGPKit?

CypherAir ships an update every 2 days, and PGPKit every 2 days. Most recently, CypherAir was updated on November 5, 2026 and PGPKit on November 6, 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.*