# Light Meter Pro vs SlowLightMeter

The clearest difference is in-app purchases: SlowLightMeter at none against Light Meter Pro's 3. SlowLightMeter also leads on iOS requirement (15.6 vs 17.0). Light Meter Pro's advantage is update cadence (every 2 days vs every 4 days). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Light Meter Pro sells 3 in-app purchases, starting at $3.99 per month. SlowLightMeter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Light Meter Pro against 5.0 for SlowLightMeter. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Light Meter Pro ships an update every 2 days, SlowLightMeter every 4 days. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Light Meter Pro | SlowLightMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/light-meter-pro/id1615138357/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/slowlightmeter/id6751812869/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 1 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spectra, Incorporated](https://appshunter.io/developer/1615138359) | [Ari Jaaksi](https://appshunter.io/developer/1770069317) |

## What reviewers say

### Light Meter Pro

[App page](https://appshunter.io/ios/app/light-meter-pro/id1615138357)

This app helps photographers and videographers measure light accurately for perfect exposure. It offers real-time data, customizable alerts, and a user-friendly interface to enhance creative projects.

**Highlights:** Precision light measurements, Real-time data monitoring, Customizable lighting alerts, User-friendly interface, Advanced calibration technology

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Light Meter Plus | $3.99 | per month |
| Light Meter Plus | $9.99 | per year |
| Light Meter Plus | $9.99 | per year |


### SlowLightMeter

[App page](https://appshunter.io/ios/app/slowlightmeter/id6751812869)

This app provides a simple and accurate light meter for film photographers. It continuously measures light with minimal interaction and includes an ISO lock to prevent accidental changes. EV values are a core feature for ease of use.

**Highlights:** Reflective and incident light metering, Continuous light measurement, ISO lock, EV value display, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter Pro free?

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

### Is SlowLightMeter free?

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

### Which has better reviews, Light Meter Pro or SlowLightMeter?

Light Meter Pro and SlowLightMeter are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Light Meter Pro or SlowLightMeter have ads?

Neither Light Meter Pro nor SlowLightMeter shows ads.

### Which is updated more often, Light Meter Pro or SlowLightMeter?

Light Meter Pro ships an update every 2 days, and SlowLightMeter every 4 days. Most recently, Light Meter Pro was updated on September 19, 2026 and SlowLightMeter on September 18, 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.*