# FoCal Mobile vs Black Lens

The clearest difference is review sentiment: Black Lens at 100% against FoCal Mobile's 0%. Black Lens also leads on rating (5.0 vs 3.8) and in-app purchases (none vs 1). FoCal Mobile's advantage is price (Free vs $1.99) and device support (3 vs 1). On update cadence and ads there is nothing between them.

FoCal Mobile is free to download; Black Lens costs $1.99 up front. FoCal Mobile sells 1 in-app purchase, starting at $19.99 per year. Black Lens asks for nothing beyond the download.

Black Lens holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 17 and 5 respectively. Written reviews point the same way: 0% of FoCal Mobile's written reviews are positive against 100% of Black Lens's.

FoCal Mobile ships an update every 6 weeks, Black Lens every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FoCal Mobile | Black Lens |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.8 (17 ratings)](https://appshunter.io/ios/app/focal-mobile/id1644899552/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/black-lens/id6754779190/reviews)** |
| Number of ratings | **17** | 5 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Freemium** | Paid |
| Size | 111 MB | 1 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Reikan Technology Ltd](https://appshunter.io/developer/1644899554) | [Steven Johnson](https://appshunter.io/developer/1849992806) |

## What reviewers say

### FoCal Mobile

[App page](https://appshunter.io/ios/app/focal-mobile/id1644899552)

This app helps photographers calibrate and analyze their DSLR camera's autofocus system for sharper images. It offers automatic testing and tuning, with advanced features available through a subscription.

**Highlights:** Automatic DSLR autofocus analysis, Camera and lens calibration, Test setup verification, One-tap autofocus testing, Comparison database, Historical data review, Camera time synchronization

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FoCal Mobile Pro | $19.99 | per year |


### Black Lens

[App page](https://appshunter.io/ios/app/black-lens/id6754779190)

This app offers an automated, eyes-free selfie experience using face tracking and haptic feedback. It guides users to the perfect shot with vibrations and spoken cues, even for rear-camera selfies or in bright sunlight. Designed for accessibility, it features a high-contrast interface and voice control.

**Highlights:** Automated photo capture, Haptic feedback for framing, Eyes-free operation, Mask Mode for glare reduction, Full voice control, Optimized rear-camera selfies

**In-app purchases:** none


## Frequently asked questions

### Is FoCal Mobile free?

FoCal Mobile is free to download, with in-app purchases available.

### Is Black Lens free?

Black Lens costs $1.99, with no in-app purchases.

### Which has better reviews, FoCal Mobile or Black Lens?

Black Lens is rated higher. FoCal Mobile averages 3.8 out of 5 from 17 ratings, while Black Lens averages 5.0 from 5 ratings.

### Do FoCal Mobile or Black Lens have ads?

Neither FoCal Mobile nor Black Lens shows ads.

### Which is updated more often, FoCal Mobile or Black Lens?

FoCal Mobile ships an update every 6 weeks, and Black Lens every 2 months. Most recently, FoCal Mobile was updated on October 25, 2026 and Black Lens on October 24, 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.*