# PDE Pro Database Engineer vs CipherKit

The clearest difference is update cadence: PDE Pro Database Engineer at every 3 months against CipherKit's every 6 months. PDE Pro Database Engineer also leads on iOS requirement (15.0 vs 18.0). 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.

PDE Pro Database Engineer ships an update every 3 months, CipherKit every 6 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PDE Pro Database Engineer | CipherKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 30 MB | 23 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | +4 |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Zossoz](https://appshunter.io/developer/1885670786) |

## What reviewers say

### PDE Pro Database Engineer

[App page](https://appshunter.io/ios/app/pde-pro-database-engineer/id6756967890)

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

**In-app purchases:** none


### CipherKit

[App page](https://appshunter.io/ios/app/cipherkit-cipher-solver/id6760924474)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDE Pro Database Engineer free?

PDE Pro Database Engineer is free to download, with no in-app purchases.

### Is CipherKit free?

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

### Do PDE Pro Database Engineer or CipherKit have ads?

Neither PDE Pro Database Engineer nor CipherKit shows ads.

### Which is updated more often, PDE Pro Database Engineer or CipherKit?

PDE Pro Database Engineer ships an update every 3 months, and CipherKit every 6 months. Most recently, PDE Pro Database Engineer was updated on September 28, 2026 and CipherKit on October 8, 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.*