# ASLightMeter vs illumeter

The clearest difference is review sentiment: illumeter at 100% against ASLightMeter's 42%. illumeter also leads on rating (4.6 vs 4.0) and update cadence (every 2 weeks vs every 43 months). ASLightMeter's advantage is iOS requirement (9.0 vs 16.0). 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.

illumeter holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 4 and 11 respectively. Written reviews point the same way: 42% of ASLightMeter's written reviews are positive against 100% of illumeter's.

ASLightMeter ships an update every 43 months, illumeter every 2 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ASLightMeter | illumeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/aslightmeter/id893232926/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/illumeter/id6474086258/reviews)** |
| Number of ratings | 4 | **11** |
| Positive reviews | 41.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RR Soft](https://appshunter.io/developer/363992052) | [Seunghun Yang](https://appshunter.io/developer/1586944242) |

## 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


### illumeter

[App page](https://appshunter.io/ios/app/illumeter/id6474086258)

This app functions as a portable light meter, allowing users to measure exposure values like aperture, shutter speed, and ISO. It offers features for logging shots with location and settings, and provides customization options for a personalized user experience.

**Highlights:** Exposure measurement (Aperture, Shutter Speed, ISO), Tap-to-focus exposure lock, Exposure compensation, Frame logging with location and settings, List and map view of logged frames, Customizable settings and appearance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASLightMeter free?

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

### Is illumeter free?

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

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

illumeter is rated higher. ASLightMeter averages 4.0 out of 5 from 4 ratings, while illumeter averages 4.6 from 11 ratings.

### Do ASLightMeter or illumeter have ads?

Neither ASLightMeter nor illumeter shows ads.

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

ASLightMeter ships an update every 43 months, and illumeter every 2 weeks. Most recently, ASLightMeter was updated on October 5, 2026 and illumeter on October 7, 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.*