# ASLightMeter vs SlowLightMeter

The clearest difference is review sentiment: SlowLightMeter at 100% against ASLightMeter's 42%. SlowLightMeter also leads on rating (5.0 vs 4.0) and update cadence (every 4 days vs every 43 months). ASLightMeter's advantage is iOS requirement (9.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SlowLightMeter holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 42% of ASLightMeter's written reviews are positive against 100% of SlowLightMeter's.

ASLightMeter ships an update every 43 months, SlowLightMeter every 4 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ASLightMeter | SlowLightMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/aslightmeter/id893232926/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slowlightmeter/id6751812869/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 41.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RR Soft](https://appshunter.io/developer/363992052) | [Ari Jaaksi](https://appshunter.io/developer/1770069317) |

## What reviewers say

### ASLightMeter

[App page](https://appshunter.io/ios/app/aslightmeter/id893232926)

A straightforward light meter application designed for film photography enthusiasts. It provides essential metering capabilities to help users capture well-exposed shots.

**Highlights:** Light metering, Designed for film photography, Simple interface

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

**In-app purchases:** none


### 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 ASLightMeter free?

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

### Is SlowLightMeter free?

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

### Which has better reviews, ASLightMeter or SlowLightMeter?

SlowLightMeter is rated higher. ASLightMeter averages 4.0 out of 5 from 4 ratings, while SlowLightMeter averages 5.0 from 2 ratings.

### Do ASLightMeter or SlowLightMeter have ads?

Neither ASLightMeter nor SlowLightMeter shows ads.

### Which is updated more often, ASLightMeter or SlowLightMeter?

ASLightMeter ships an update every 43 months, and SlowLightMeter every 4 days. Most recently, ASLightMeter was updated on October 5, 2026 and SlowLightMeter on October 8, 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.*