# Cryptific vs Knock Messaging

The clearest difference is update cadence: Knock Messaging at every 5 days against Cryptific's every 35 months. Knock Messaging also leads on iOS requirement (15.0 vs 26.2). 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.

Cryptific ships an update every 35 months, Knock Messaging every 5 days. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Cryptific | Knock Messaging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/cryptific-private-messages/id6449608529/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 1 MB | 36 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cryptific LLC](https://appshunter.io/developer/1689831629) | [Baseline Polls Limited Liability Company](https://appshunter.io/developer/1631404664) |

## What reviewers say

### Cryptific

[App page](https://appshunter.io/ios/app/cryptific-private-messages/id6449608529)

Securely send and receive sensitive messages with end-to-end encryption. Establish a shared secret code with recipients to encrypt and decrypt messages, ensuring your private information remains protected from unauthorized access on your device.

**Highlights:** End-to-end message encryption, Secure secret code system, Optional message expiration, Cross-platform message sharing, Simple sender/receiver interface

**In-app purchases:** none


### Knock Messaging

[App page](https://appshunter.io/ios/app/knock-messaging/id6756548501)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cryptific free?

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

### Is Knock Messaging free?

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

### Do Cryptific or Knock Messaging have ads?

Neither Cryptific nor Knock Messaging shows ads.

### Which is updated more often, Cryptific or Knock Messaging?

Cryptific ships an update every 35 months, and Knock Messaging every 5 days. Most recently, Cryptific was updated on September 10, 2026 and Knock Messaging on September 19, 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.*