# CDA vs Engage Process Viewer

The clearest difference is update cadence: Engage Process Viewer at every 2 months against CDA's every 12 months. CDA's advantage is iOS requirement (14.5 vs 18.1). 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.

CDA ships an update every 12 months, Engage Process Viewer every 2 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CDA | Engage Process Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Size | 13 MB | 0 MB |
| Requires iOS | **14.5** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prime Holdings Insurance Services, Inc.](https://appshunter.io/developer/960828200) | [Engage! Software B.V.](https://appshunter.io/developer/715478515) |

## What reviewers say

### CDA

[App page](https://appshunter.io/ios/app/cda/id964563841)

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

**In-app purchases:** none


### Engage Process Viewer

[App page](https://appshunter.io/ios/app/engage-process-viewer/id1361609971)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CDA free?

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

### Is Engage Process Viewer free?

Engage Process Viewer is free to download, with no in-app purchases.

### Do CDA or Engage Process Viewer have ads?

Neither CDA nor Engage Process Viewer shows ads.

### Which is updated more often, CDA or Engage Process Viewer?

CDA ships an update every 12 months, and Engage Process Viewer every 2 months. Most recently, CDA was updated on October 10, 2026 and Engage Process Viewer on October 4, 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.*