# Focus Chart vs RED Tools

The clearest difference is review sentiment: Focus Chart at 100% against RED Tools's 50%. Focus Chart also leads on rating (4.4 vs 3.3) and iOS requirement (12.0 vs 15.6). On price, ratings volume, update cadence 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.

Focus Chart holds the better App Store score, 4.4 against 3.3. Both are backed by a comparable volume of ratings — 9 and 15 respectively. Written reviews point the same way: 100% of Focus Chart's written reviews are positive against 50% of RED Tools's.

Focus Chart ships an update every 16 months, RED Tools every 21 months. The most recent releases landed on October 4, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Focus Chart | RED Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/focus-chart/id808174720/reviews)** | [3.3 (15 ratings)](https://appshunter.io/ios/app/red-tools/id894739141/reviews) |
| Number of ratings | 9 | **15** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 44 MB | 7 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, 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 Tools

[App page](https://appshunter.io/ios/app/red-tools/id894739141)

This app assists filmmakers and camera operators with camera setup by providing tools for crop factor, recording time, flicker-free video, depth of field, panning speed, and exposure. It offers customizable settings for various shooting situations and RED camera systems.

**Highlights:** Crop factor preview, R3D recording time evaluation, Flicker-free video calculation, Depth of field estimation, Panning speed guidance, Exposure assistance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Focus Chart free?

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

### Is RED Tools free?

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

### Which has better reviews, Focus Chart or RED Tools?

Focus Chart is rated higher. Focus Chart averages 4.4 out of 5 from 9 ratings, while RED Tools averages 3.3 from 15 ratings.

### Do Focus Chart or RED Tools have ads?

Neither Focus Chart nor RED Tools shows ads.

### Which is updated more often, Focus Chart or RED Tools?

Focus Chart ships an update every 16 months, and RED Tools every 21 months. Most recently, Focus Chart was updated on October 4, 2026 and RED Tools on September 19, 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.*