# Pocket Light Meter vs Lumu Light Meter

The clearest difference is price: Lumu Light Meter at Free against Pocket Light Meter's $9.99. Lumu Light Meter also leads on iOS requirement (12.0 vs 15.6). Pocket Light Meter's advantage is rating (4.5 vs 3.4) and review sentiment (87% vs 53%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Lumu Light Meter is free to download; Pocket Light Meter costs $9.99 up front. Pocket Light Meter sells 3 one-off in-app purchases and Lumu Light Meter sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Pocket Light Meter holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Pocket Light Meter has 1K ratings behind it against 99, so its average is the more settled of the two. Written reviews point the same way: 87% of Pocket Light Meter's written reviews are positive against 53% of Lumu Light Meter's.

Pocket Light Meter ships an update fortnightly, Lumu Light Meter monthly. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Pocket Light Meter | Lumu Light Meter |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.5 (1K ratings)](https://appshunter.io/ios/app/pocket-light-meter/id381698089/reviews)** | [3.4 (99 ratings)](https://appshunter.io/ios/app/lumu-light-meter/id730969737/reviews) |
| Number of ratings | **1K** | 99 |
| Positive reviews | **87.1% of reviews** | 52.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#70** | — |
| Size | 34 MB | 52 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nuwaste studios](https://appshunter.io/developer/338524950) | [Lumu d.o.o.](https://appshunter.io/developer/912288615) |

## What reviewers say

### Pocket Light Meter

[App page](https://appshunter.io/ios/app/pocket-light-meter/id381698089)

**Currently charting:** #70 Top Paid · Photo & Video (US App Store)

This app functions as a portable light meter, essential for film photographers using manual cameras. It accurately measures reflected light and provides reciprocity calculations for precise exposure control.

**Highlights:** Portable light meter, Reflected light measurement, Reciprocity calculations, Indispensable for film photography, Manual camera compatible

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ads remover | $1.99 | one-time |
| pint for the developer and get rid of the ads | $5.99 | one-time |
| donation to the developer | $5.99 | one-time |

**What reviewers like**

- 👍 Accurate light metering
- 📷 Useful for film photography
- 🔍 Spot metering feature
- 🔧 Customizable settings
- 🔋 Always available on phone

**What reviewers complain about**

- 🐛 Freezes or crashes in low light or with recent iOS updates
- 🔍 Unclear if spot or average metering
- 📊 Outdated user interface design
- 🔌 Ads can be distracting

**Reported bugs**

- Crashes or freezes with recent iOS updates
- Inconsistent metering in low light conditions
- Issues with saving metering data to photos

**Requested features**

- Add histogram display
- Implement manual mode to lock aperture/shutter
- Support for flash metering
- Improve low-light performance
- Provide more metering mode options (spot, center-weighted, etc.)


### Lumu Light Meter

[App page](https://appshunter.io/ios/app/lumu-light-meter/id730969737)

This app functions as a standalone reflective light meter or pairs with hardware for professional flash and color temperature measurements. It offers various modes for photography and videography, storing measurements with notes and location.

**Highlights:** Standalone reflective light meter, Flash and color temperature metering, Photo and cine/video modes, Spot metering, Color temperature in Kelvin, Store measurements with notes

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite to Power Upgrade | $69.99 | one-time |
| Power to Pro Upgrade | $229.99 | one-time |
| Lite to Pro Upgrade | $249.99 | one-time |

**What reviewers like**

- ✨ Accurate light metering
- ✨ Precise color meter readings
- 👍 Intuitive and clean UI
- 👍 Great for film photography
- 👍 Convenient pocket-sized tool

**What reviewers complain about**

- 😞 Terrible customer service
- 😞 Unresponsive support
- 😞 Expensive hardware
- 😞 Misleading advertising
- 😞 Inconsistent accuracy

**Reported bugs**

- 🐛 LUX value shown as FootCandle
- 🐛 ISO keeps changing when metering
- 🐛 Color temp readout option disappeared
- 🐛 Error when factory resetting module
- 🐛 Cannot read CCT

**Requested features**

- 💡 Aperture priority mode
- 💡 Ability to lock aperture
- 💡 Analog style shutter speed/aperture display
- 💡 Option to see all equivalent exposure settings at a glance
- 💡 Ability to take two readings and see difference in stops


## Frequently asked questions

### Is Pocket Light Meter free?

Pocket Light Meter costs $9.99, and also offers in-app purchases.

### Is Lumu Light Meter free?

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

### Which has better reviews, Pocket Light Meter or Lumu Light Meter?

Pocket Light Meter is rated higher. Pocket Light Meter averages 4.5 out of 5 from 1K ratings, while Lumu Light Meter averages 3.4 from 99 ratings.

### Do Pocket Light Meter or Lumu Light Meter have ads?

Neither Pocket Light Meter nor Lumu Light Meter shows ads.

### Which is updated more often, Pocket Light Meter or Lumu Light Meter?

Pocket Light Meter ships an update fortnightly, and Lumu Light Meter monthly. Most recently, Pocket Light Meter was updated on September 22, 2026 and Lumu Light Meter on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*