# Light Meter + SensorArray vs Exposure Buddy

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

Both are free to download. Light Meter + SensorArray sells 1 one-off in-app purchase and Exposure Buddy sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Light Meter + SensorArray ships an update every 2 weeks, Exposure Buddy weekly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Light Meter + SensorArray | Exposure Buddy |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 6 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Dynamic Star Pty Ltd](https://appshunter.io/developer/1847769282) | [Huang Yao-tseng](https://appshunter.io/developer/955366736) |

## 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 |


### Exposure Buddy

[App page](https://appshunter.io/ios/app/exposure-buddy-photo-calc/id6759903352)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version (Remove Ads) | $0.99 | one-time |


## Frequently asked questions

### Is Light Meter + SensorArray free?

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

### Is Exposure Buddy free?

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

### Do Light Meter + SensorArray or Exposure Buddy have ads?

Light Meter + SensorArray shows ads; Exposure Buddy does not.

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

Light Meter + SensorArray ships an update every 2 weeks, and Exposure Buddy weekly. Most recently, Light Meter + SensorArray was updated on October 20, 2026 and Exposure Buddy on October 25, 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.*