# Light Meter LuMe vs Zenposure

Light Meter LuMe and Zenposure are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Light Meter LuMe sells 1 one-off in-app purchase and Zenposure sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Light Meter LuMe ships an update every 5 days, Zenposure every 6 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Light Meter LuMe | Zenposure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (19 ratings)](https://appshunter.io/ios/app/light-meter-lume/id6772063294/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Contrast Studio](https://appshunter.io/developer/6772063296) | [TAKUMA FUJITSUKA](https://appshunter.io/developer/6780568682) |

## 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 |


### Zenposure

[App page](https://appshunter.io/ios/app/zenposure-light-meter/id6794678102)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Lifetime License | $4.99 | one-time |


## Frequently asked questions

### Is Light Meter LuMe free?

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

### Is Zenposure free?

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

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

Neither Light Meter LuMe nor Zenposure shows ads.

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

Light Meter LuMe ships an update every 5 days, and Zenposure every 6 days. Most recently, Light Meter LuMe was updated on October 28, 2026 and Zenposure on October 24, 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.*