# Light Meter LuMe vs ShutterMap

The clearest difference is update cadence: ShutterMap at every 2 days against Light Meter LuMe's every 5 days. ShutterMap also leads on device support (3 vs 1). Light Meter LuMe's advantage is iOS requirement (16.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

Light Meter LuMe ships an update every 5 days, ShutterMap every 2 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Light Meter LuMe | ShutterMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/light-meter-lume/id6772063294/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 9 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Contrast Studio](https://appshunter.io/developer/6772063296) | [思维 李](https://appshunter.io/developer/6797551947) |

## What reviewers say

### Light Meter LuMe

[App page](https://appshunter.io/ios/app/light-meter-lume/id6772063294)

This app acts as a professional light meter and exposure calculator for film photographers. It offers various metering modes, reciprocity correction for different film stocks, and depth of field calculations. It aims to replace multiple handheld tools with a single, convenient app.

**Highlights:** Multiple metering modes (Matrix, Center-weighted, Spot, Zone System), Multi-point spot metering with contrast evaluation, Reciprocity correction for various film stocks, Depth of field and hyperfocal distance calculator, Flash guide number calculator, Live exposure tools including histogram and clipping warnings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LuMe Pro Lifetime | $6.99 | one-time |


### ShutterMap

[App page](https://appshunter.io/ios/app/shuttermap/id6798739295)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Light Meter LuMe free?

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

### Is ShutterMap free?

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

### Do Light Meter LuMe or ShutterMap have ads?

Neither Light Meter LuMe nor ShutterMap shows ads.

### Which is updated more often, Light Meter LuMe or ShutterMap?

Light Meter LuMe ships an update every 5 days, and ShutterMap every 2 days. Most recently, Light Meter LuMe was updated on October 17, 2026 and ShutterMap on October 16, 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.*