# Lumu Light Meter vs FilmMeter

The clearest difference is review sentiment: FilmMeter at 96% against Lumu Light Meter's 53%. FilmMeter also leads on rating (4.8 vs 3.4) and update cadence (every 2 days vs monthly). Lumu Light Meter's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Lumu Light Meter sells 3 one-off in-app purchases and FilmMeter sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

FilmMeter holds the better App Store score, 4.8 against 3.4. Both are backed by a comparable volume of ratings — 103 and 64 respectively. Written reviews point the same way: 53% of Lumu Light Meter's written reviews are positive against 96% of FilmMeter's.

Lumu Light Meter ships an update monthly, FilmMeter every 2 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Lumu Light Meter | FilmMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (103 ratings)](https://appshunter.io/ios/app/lumu-light-meter/id730969737/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/filmmeter/id6753060069/reviews)** |
| Number of ratings | **103** | 64 |
| Positive reviews | 52.8% of reviews | **96.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 52 MB | 143 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lumu d.o.o.](https://appshunter.io/developer/912288615) | [宗 侯](https://appshunter.io/developer/1841159038) |

## What reviewers say

### 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


### FilmMeter

[App page](https://appshunter.io/ios/app/filmmeter/id6753060069)

This app transforms your iPhone into a professional light meter for film photography. It offers real-time metering, LiDAR ranging for accurate focus, and comprehensive film roll management. Features include reciprocity calculation, ND filter compensation, and an exposure log to streamline your shooting workflow.

**Highlights:** Real-time light metering, LiDAR ranging and depth of field, Film roll and camera management, Reciprocity and ND filter compensation, Long exposure timer, Exposure logging

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Buy me lunch | $2.99 | one-time |
| 请我吃块蛋糕 | $9.99 | one-time |
| 赞助开发 | $19.99 | one-time |


## Frequently asked questions

### Is Lumu Light Meter free?

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

### Is FilmMeter free?

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

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

FilmMeter is rated higher. Lumu Light Meter averages 3.4 out of 5 from 103 ratings, while FilmMeter averages 4.8 from 64 ratings.

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

Neither Lumu Light Meter nor FilmMeter shows ads.

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

Lumu Light Meter ships an update monthly, and FilmMeter every 2 days. Most recently, Lumu Light Meter was updated on October 20, 2026 and FilmMeter on October 25, 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.*