# Focus Chart vs RED_CONTROL

The clearest difference is review sentiment: Focus Chart at 100% against RED_CONTROL's 56%. Focus Chart also leads on rating (4.4 vs 4.1) and iOS requirement (12.0 vs 15.0). RED_CONTROL's advantage is update cadence (every 4 weeks vs every 16 months) and ratings volume (53 vs 9). 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.

Focus Chart holds the better App Store score, 4.4 against 4.1. That said, the two scores are not equally well evidenced: RED_CONTROL has 53 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 100% of Focus Chart's written reviews are positive against 56% of RED_CONTROL's.

Focus Chart ships an update every 16 months, RED_CONTROL every 4 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Focus Chart | RED_CONTROL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/focus-chart/id808174720/reviews)** | [4.1 (53 ratings)](https://appshunter.io/ios/app/red-control/id1514864599/reviews) |
| Number of ratings | 9 | **53** |
| Positive reviews | **100.0% of reviews** | 55.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 44 MB | 100 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cadrage GmbH](https://appshunter.io/developer/793232743) | [RED Digital Cinema](https://appshunter.io/developer/632147766) |

## What reviewers say

### Focus Chart

[App page](https://appshunter.io/ios/app/focus-chart/id808174720)

This tool displays focus charts with a siemens star to assist with camera lens adjustments and testing. It keeps your device awake during critical focus calibration, offering two distinct charts for easy switching.

**Highlights:** Two focus charts with siemens star, Prevents device standby, Back focus adjustment, Lens testing, Swipe left/right for chart switching

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

**In-app purchases:** none


### RED_CONTROL

[App page](https://appshunter.io/ios/app/red-control/id1514864599)

Control your RED V-RAPTOR™ or KOMODO™ camera directly from your iOS device. This free app offers a customizable interface for live streaming, full menu navigation, and flexible display modes.

**Highlights:** Direct camera control, Live streaming, Full menu navigation, Customizable interface, Portrait and landscape modes, Full-screen option

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus Chart free?

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

### Is RED_CONTROL free?

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

### Which has better reviews, Focus Chart or RED_CONTROL?

Focus Chart is rated higher. Focus Chart averages 4.4 out of 5 from 9 ratings, while RED_CONTROL averages 4.1 from 53 ratings.

### Do Focus Chart or RED_CONTROL have ads?

Neither Focus Chart nor RED_CONTROL shows ads.

### Which is updated more often, Focus Chart or RED_CONTROL?

Focus Chart ships an update every 16 months, and RED_CONTROL every 4 weeks. Most recently, Focus Chart was updated on October 4, 2026 and RED_CONTROL on October 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.*