# iViewer DVR vs CDOUBLES Pro II

The clearest difference is rating: CDOUBLES Pro II at 5.0 against iViewer DVR's 1.0. iViewer DVR's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (11.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CDOUBLES Pro II holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

iViewer DVR ships an update every 2 months, CDOUBLES Pro II every 9 months. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | iViewer DVR | CDOUBLES Pro II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/iviewer-dvr/id634815183/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cdoubles-pro-ii/id1498587733/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 9 MB | 140 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aquila DVR](https://appshunter.io/developer/471295643) | [CHUNG YI HUNG](https://appshunter.io/developer/1106401998) |

## What reviewers say

### iViewer DVR

[App page](https://appshunter.io/ios/app/iviewer-dvr/id634815183)

This application allows users to remotely view and control H.264 digital video recorders. It offers features like live multi-channel viewing, PTZ control, audio playback, and event notifications. Users can also perform remote playback and take snapshots.

**Highlights:** Address Book, PTZ Control, Multi Channel H.264 Viewer, Audio Playback & Talk, Remote Playback, Event Notification, Video Zoom & Snapshot

**Features:** macOS Compatibility

**In-app purchases:** none


### CDOUBLES Pro II

[App page](https://appshunter.io/ios/app/cdoubles-pro-ii/id1498587733)

This advanced version removes limitations on camera docking for enhanced photo and video editing. It offers a streamlined experience for users seeking more control over their creative workflow.

**Highlights:** Advanced editing features, Removes camera docking limitations, Enhanced creative control, Streamlined workflow

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

**In-app purchases:** none


## Frequently asked questions

### Is iViewer DVR free?

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

### Is CDOUBLES Pro II free?

CDOUBLES Pro II is free to download, with no in-app purchases.

### Which has better reviews, iViewer DVR or CDOUBLES Pro II?

CDOUBLES Pro II is rated higher. iViewer DVR averages 1.0 out of 5 from 1 ratings, while CDOUBLES Pro II averages 5.0 from 1 ratings.

### Do iViewer DVR or CDOUBLES Pro II have ads?

Neither iViewer DVR nor CDOUBLES Pro II shows ads.

### Which is updated more often, iViewer DVR or CDOUBLES Pro II?

iViewer DVR ships an update every 2 months, and CDOUBLES Pro II every 9 months. Most recently, iViewer DVR was updated on September 22, 2026 and CDOUBLES Pro II on September 14, 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.*