# Focus Chart vs Magic Sonic ViewFinder

The clearest difference is in-app purchases: Focus Chart at none against Magic Sonic ViewFinder's 2. Focus Chart also leads on ads (none vs shown) and review sentiment (100% vs 86%). Magic Sonic ViewFinder's advantage is update cadence (monthly vs every 16 months) and rating (4.7 vs 4.4). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Magic Sonic ViewFinder sells 2 in-app purchases, starting at $1.49 per month. Focus Chart asks for nothing beyond the download.

Magic Sonic ViewFinder holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 9 and 42 respectively. Written reviews complicate that: 100% of Focus Chart's written reviews are positive against 86% of Magic Sonic ViewFinder's, so the app with the better star average is not the one people write more warmly about.

Focus Chart ships an update every 16 months, Magic Sonic ViewFinder monthly. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Focus Chart | Magic Sonic ViewFinder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/focus-chart/id808174720/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/magic-sonic-viewfinder/id1347498091/reviews)** |
| Number of ratings | 9 | **42** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 21 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cadrage GmbH](https://appshunter.io/developer/793232743) | [Roman Medvid](https://appshunter.io/developer/1180410540) |

## 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


### Magic Sonic ViewFinder

[App page](https://appshunter.io/ios/app/magic-sonic-viewfinder/id1347498091)

This app simulates the field of view for various camera and lens combinations, aiding filmmakers in preproduction. It allows users to preview shots with different focal lengths, aspect ratios, and color presets, and save them for future reference.

**Highlights:** Precise framing preview, Simulates digital camera field of view, Supports numerous camera models, Tele adapter and anamorphic lens simulation, Aspect ratio frame guides, Color presets (LUTs), Save shots with metadata

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features: subscription | $1.49 | per month |
| Premium features: purchase | $4.99 | one-time |


## Frequently asked questions

### Is Focus Chart free?

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

### Is Magic Sonic ViewFinder free?

Magic Sonic ViewFinder is free to download, with in-app purchases available.

### Which has better reviews, Focus Chart or Magic Sonic ViewFinder?

Magic Sonic ViewFinder is rated higher. Focus Chart averages 4.4 out of 5 from 9 ratings, while Magic Sonic ViewFinder averages 4.7 from 42 ratings.

### Do Focus Chart or Magic Sonic ViewFinder have ads?

Magic Sonic ViewFinder shows ads; Focus Chart does not.

### Which is updated more often, Focus Chart or Magic Sonic ViewFinder?

Focus Chart ships an update every 16 months, and Magic Sonic ViewFinder monthly. Most recently, Focus Chart was updated on October 4, 2026 and Magic Sonic ViewFinder on October 5, 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.*