# Concept Pro Viewer vs Nimbus Digital

The clearest difference is review sentiment: Nimbus Digital at 67% against Concept Pro Viewer's 7%. Nimbus Digital also leads on update cadence (every 2 weeks vs every 2 months). Concept Pro Viewer's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Concept Pro Viewer ships an update every 2 months, Nimbus Digital every 2 weeks. The most recent releases landed on June 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Concept Pro Viewer | Nimbus Digital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/concept-pro-viewer/id1102748321/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 6.7% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 262 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Videcon](https://appshunter.io/developer/432327836) | [Nimbus Digital Solutions Ltd](https://appshunter.io/developer/1345981432) |

## What reviewers say

### Concept Pro Viewer

[App page](https://appshunter.io/ios/app/concept-pro-viewer/id1102748321)

Access and manage your video recorder system from your smartphone. View live feeds, control PTZ cameras, and search recorded footage remotely. Adjust settings and trigger alarms with ease.

**Highlights:** Manage multiple DVR/NVR connections, Live video viewing (single/split-screen), PTZ camera control (PAN, TILT, ZOOM), Remote search and playback, Remote DVR/NVR settings management, Two-way audio support

**Features:** macOS Compatibility

**In-app purchases:** none


### Nimbus Digital

[App page](https://appshunter.io/ios/app/nimbus-digital/id6475592902)

This app unifies fire safety compliance tools, enabling users to log weekly tests, receive instant alerts for system events, and access on-site engineering data. It simplifies fire safety management for building managers, facilities teams, and fire system engineers, ensuring compliance with UK regulations.

**Highlights:** Log weekly fire alarm tests, Receive instant fire system alerts, Access real-time panel data, Manage service visits, Capture on-site compliance records, Ensure UK compliance requirements

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

**In-app purchases:** none


## Frequently asked questions

### Is Concept Pro Viewer free?

Concept Pro Viewer is free to download, with no in-app purchases.

### Is Nimbus Digital free?

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

### Do Concept Pro Viewer or Nimbus Digital have ads?

Neither Concept Pro Viewer nor Nimbus Digital shows ads.

### Which is updated more often, Concept Pro Viewer or Nimbus Digital?

Concept Pro Viewer ships an update every 2 months, and Nimbus Digital every 2 weeks. Most recently, Concept Pro Viewer was updated on June 11, 2026 and Nimbus Digital on September 15, 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.*