# CameraTestSlate vs Light Meter + SensorArray

The clearest difference is in-app purchases: CameraTestSlate at none against Light Meter + SensorArray's 1. CameraTestSlate also leads on ads (none vs shown) and device support (4 vs 2). Light Meter + SensorArray's advantage is update cadence (every 2 weeks vs every 11 months). On price and iOS requirement there is nothing between them.

Both are free to download. Light Meter + SensorArray sells 1 one-off in-app purchase. CameraTestSlate asks for nothing beyond the download.

CameraTestSlate ships an update every 11 months, Light Meter + SensorArray every 2 weeks. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | CameraTestSlate | Light Meter + SensorArray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/light-meter-plus-sensorarray/id6754421088/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 19 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Adam Wilt](https://appshunter.io/developer/590364682) | [Dynamic Star Pty Ltd](https://appshunter.io/developer/1847769282) |

## What reviewers say

### CameraTestSlate

[App page](https://appshunter.io/ios/app/cameratestslate/id6504781682)

**Features:** iPhone Duo support

**In-app purchases:** none


### Light Meter + SensorArray

[App page](https://appshunter.io/ios/app/light-meter-plus-sensorarray/id6754421088)

This app provides hardware-validated light metering for analog film, digital cinema, and audio. It offers features like spot metering, reciprocity compensation for long exposures, and ambient color balance estimation. It's designed for professionals and works offline with a privacy-first approach.

**Highlights:** Hardware-linked spot metering, Reciprocity compensation for long exposures, Ambient color balance estimation, Calibrated sound pressure level monitoring, NOAA solar tracking, Digital film log, Focus stacking assistant

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access all Pro-tools & calculators | $4.99 | one-time |


## Frequently asked questions

### Is CameraTestSlate free?

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

### Is Light Meter + SensorArray free?

Light Meter + SensorArray is free to download, with in-app purchases available.

### Do CameraTestSlate or Light Meter + SensorArray have ads?

Light Meter + SensorArray shows ads; CameraTestSlate does not.

### Which is updated more often, CameraTestSlate or Light Meter + SensorArray?

CameraTestSlate ships an update every 11 months, and Light Meter + SensorArray every 2 weeks. Most recently, CameraTestSlate was updated on October 30, 2026 and Light Meter + SensorArray on October 20, 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.*