# Light Meter + SensorArray vs OBD2 Ninja

The clearest difference is price: Light Meter + SensorArray at Free against OBD2 Ninja's $0.99. Light Meter + SensorArray also leads on iOS requirement (16.6 vs 18.0). OBD2 Ninja's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Light Meter + SensorArray is free to download; OBD2 Ninja costs $0.99 up front. Light Meter + SensorArray sells 1 one-off in-app purchase. OBD2 Ninja asks for nothing beyond the download.

Light Meter + SensorArray ships an update every 2 weeks, OBD2 Ninja every 3 days. The most recent releases landed on October 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Light Meter + SensorArray | OBD2 Ninja |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/light-meter-plus-sensorarray/id6754421088/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 3 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Dynamic Star Pty Ltd](https://appshunter.io/developer/1847769282) | [Cory Green](https://appshunter.io/developer/1656262598) |

## What reviewers say

### 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 |


### OBD2 Ninja

[App page](https://appshunter.io/ios/app/obd2-ninja-car-code-reader/id6794873767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter + SensorArray free?

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

### Is OBD2 Ninja free?

OBD2 Ninja costs $0.99, with no in-app purchases.

### Do Light Meter + SensorArray or OBD2 Ninja have ads?

Light Meter + SensorArray shows ads; OBD2 Ninja does not.

### Which is updated more often, Light Meter + SensorArray or OBD2 Ninja?

Light Meter + SensorArray ships an update every 2 weeks, and OBD2 Ninja every 3 days. Most recently, Light Meter + SensorArray was updated on October 3, 2026 and OBD2 Ninja on September 22, 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.*