# Authenticate By KDC vs TruCrypt

The clearest difference is in-app purchases: Authenticate By KDC at none against TruCrypt's 2. TruCrypt's advantage is update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TruCrypt sells 2 in-app purchases, starting at $59.99 per year. Authenticate By KDC asks for nothing beyond the download.

Authenticate By KDC ships an update monthly, TruCrypt every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Authenticate By KDC | TruCrypt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trucrypt/id6758111286/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 4 MB | 21 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Lovett](https://appshunter.io/developer/1831085892) | [TruCrypt](https://appshunter.io/developer/1870964993) |

## What reviewers say

### Authenticate By KDC

[App page](https://appshunter.io/ios/app/authenticate-by-kdc/id6751268798)

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

**In-app purchases:** none


### TruCrypt

[App page](https://appshunter.io/ios/app/trucrypt/id6758111286)

Secure messaging with end-to-end encryption for text, voice, photos, and videos. Features a private vault for sensitive files and self-destructing messages. Offers optional upgrades for group chats and enhanced privacy.

**Highlights:** End-to-end encrypted messaging, Encrypted file vault, Disappearing messages, Safety number verification, Password-protected key backup, Optional group rooms, Stealth mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual | $59.99 | per year |
| Creator | $299.99 | per year |


## Frequently asked questions

### Is Authenticate By KDC free?

Authenticate By KDC is free to download, with no in-app purchases.

### Is TruCrypt free?

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

### Do Authenticate By KDC or TruCrypt have ads?

Neither Authenticate By KDC nor TruCrypt shows ads.

### Which is updated more often, Authenticate By KDC or TruCrypt?

Authenticate By KDC ships an update monthly, and TruCrypt every 2 weeks. Most recently, Authenticate By KDC was updated on October 30, 2026 and TruCrypt on November 5, 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.*