# CryptKB vs OnBoardAI

The clearest difference is iOS requirement: CryptKB at 17.0 against OnBoardAI's 26.3. 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.

## The numbers

| Metric | CryptKB | OnBoardAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptkb/id6761269767/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 5 MB | 3.4 GB |
| Requires iOS | **17.0** | 26.3 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Seth Farrington18896201822](https://appshunter.io/developer/1803242963) | [Anatolii Kvasov](https://appshunter.io/developer/1796412477) |

## What reviewers say

### CryptKB

[App page](https://appshunter.io/ios/app/cryptkb/id6761269767)

Encrypt messages and files locally on your device before sending. Use a custom keyboard or Messages extension to easily encrypt and decrypt content with a password. Your data remains private with no account creation or backend servers.

**Highlights:** Local encryption/decryption, Custom keyboard integration, Messages extension, AES-256-GCM encryption, ASCII-safe payload, Password saving with Face ID/passcode

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

**In-app purchases:** none


### OnBoardAI

[App page](https://appshunter.io/ios/app/onboardai/id6772760068)

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

**In-app purchases:** none


## Frequently asked questions

### Is CryptKB free?

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

### Is OnBoardAI free?

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

### Do CryptKB or OnBoardAI have ads?

Neither CryptKB nor OnBoardAI shows ads.

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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.*