# PK Protect Enterprise vs Ultimate Database

The clearest difference is price: PK Protect Enterprise at Free against Ultimate Database's $0.99. PK Protect Enterprise also leads on update cadence (every 3 months vs every 31 months). Ultimate Database's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

PK Protect Enterprise is free to download; Ultimate Database costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PK Protect Enterprise ships an update every 3 months, Ultimate Database every 31 months. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PK Protect Enterprise | Ultimate Database |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pk-protect-enterprise/id1030031732/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 31 months |
| Monetization | **Free** | Paid |
| Size | 20 MB | 2 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PKWARE, Inc.](https://appshunter.io/developer/513312740) | [Angelo Capone](https://appshunter.io/developer/376426315) |

## What reviewers say

### PK Protect Enterprise

[App page](https://appshunter.io/ios/app/pk-protect-enterprise/id1030031732)

This app enables on-the-go productivity for existing customers by providing secure file encryption and decryption. It integrates with popular cloud storage services and supports various authentication methods for seamless access and data protection.

**Highlights:** File encryption and decryption, Smartkey and passphrase support, X.509 and OpenPGP key integration, Cloud storage integration (Box, Dropbox, OneDrive, Google Drive), Active Directory authentication, Digital signing and data authentication

**In-app purchases:** none


### Ultimate Database

[App page](https://appshunter.io/ios/app/ultimate-database/id1102784613)

Manage SQLite databases directly on your device. Create, edit, and rename tables, add or modify data, and import/export databases in SQL or CSV formats. Supports compressed ZIP files for easy sharing.

**Highlights:** Create and edit SQLite databases, Manage table structures, Import/export data in SQL and CSV, Support for compressed ZIP files, Direct import from Safari, Email, and other apps, Export databases as SQL or CSV files

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

**In-app purchases:** none


## Frequently asked questions

### Is PK Protect Enterprise free?

PK Protect Enterprise is free to download, with no in-app purchases.

### Is Ultimate Database free?

Ultimate Database costs $0.99, with no in-app purchases.

### Do PK Protect Enterprise or Ultimate Database have ads?

Neither PK Protect Enterprise nor Ultimate Database shows ads.

### Which is updated more often, PK Protect Enterprise or Ultimate Database?

PK Protect Enterprise ships an update every 3 months, and Ultimate Database every 31 months. Most recently, PK Protect Enterprise was updated on September 8, 2026 and Ultimate Database on September 20, 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.*