# light & deep vs FocalCalc

light & deep and FocalCalc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. light & deep sells 1 one-off in-app purchase and FocalCalc sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | light & deep | FocalCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/light-and-deep/id6761198321/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Rybakov](https://appshunter.io/developer/1888238166) | [Takumi Komatsu](https://appshunter.io/developer/6805753098) |

## What reviewers say

### light & deep

[App page](https://appshunter.io/ios/app/light-and-deep/id6761198321)

This app assists photographers and filmmakers by acting as a viewfinder, light meter, and LiDAR rangefinder. It helps visualize depth of field, measure light exposure, and frame shots with various camera formats. Advanced features for precise measurements and reference saving are available through a one-time purchase.

**Highlights:** Light metering with aperture/shutter priority, Depth of field visualization, LiDAR distance measurement, Customizable camera format previews, Reference photo saving with metadata, Spot metering and calibration (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light & Deep Pro | $11.99 | one-time |


### FocalCalc

[App page](https://appshunter.io/ios/app/focalcalc/id6812771766)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Free Trial | Free | one-time |
| FocalCalc Full Version | $1.99 | one-time |


## Frequently asked questions

### Is light & deep free?

light & deep is free to download, with in-app purchases available.

### Is FocalCalc free?

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

### Do light & deep or FocalCalc have ads?

Neither light & deep nor FocalCalc shows ads.

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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.*