# iRFR Preview vs CRMX Toolbox2

The clearest difference is rating: iRFR Preview at 2.8 against CRMX Toolbox2's 2.2. iRFR Preview also leads on iOS requirement (12.0 vs 15.6). CRMX Toolbox2's advantage is update cadence (every 2 months vs every 12 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

iRFR Preview holds the better App Store score, 2.8 against 2.2. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

iRFR Preview ships an update every 12 months, CRMX Toolbox2 every 2 months. The most recent releases landed on August 15, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | iRFR Preview | CRMX Toolbox2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/irfr-preview/id377066024/reviews)** | [2.2 (9 ratings)](https://appshunter.io/ios/app/crmx-toolbox2/id6450711153/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 60 MB | 78 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electronic Theatre Controls, Inc.](https://appshunter.io/developer/318210459) | [LumenRadio AB](https://appshunter.io/developer/1443137236) |

## What reviewers say

### iRFR Preview

[App page](https://appshunter.io/ios/app/irfr-preview/id377066024)

This app offers a view-only display of active cue lists for lighting consoles. It's designed for professionals needing to monitor current and upcoming cues. iPad users can also take and export notes on cues.

**Highlights:** View-only cue list display, Monitor current and pending cues, Note-taking on iPad, Export notes to text file, Works on iPhone and iPad

**Features:** Vision Pro support

**In-app purchases:** none


### CRMX Toolbox2

[App page](https://appshunter.io/ios/app/crmx-toolbox2/id6450711153)

Manage and connect to your CRMX devices with this utility app. It allows for firmware updates and configuration of all Bluetooth-enabled CRMX products, simplifying device management.

**Highlights:** Connect to CRMX devices, Track CRMX devices, Conduct firmware updates, Configure Bluetooth CRMX products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iRFR Preview free?

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

### Is CRMX Toolbox2 free?

CRMX Toolbox2 is free to download, with no in-app purchases.

### Which has better reviews, iRFR Preview or CRMX Toolbox2?

iRFR Preview is rated higher. iRFR Preview averages 2.8 out of 5 from 4 ratings, while CRMX Toolbox2 averages 2.2 from 9 ratings.

### Do iRFR Preview or CRMX Toolbox2 have ads?

Neither iRFR Preview nor CRMX Toolbox2 shows ads.

### Which is updated more often, iRFR Preview or CRMX Toolbox2?

iRFR Preview ships an update every 12 months, and CRMX Toolbox2 every 2 months. Most recently, iRFR Preview was updated on August 15, 2026 and CRMX Toolbox2 on July 6, 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.*