# Lumu Light Meter vs Color Flash Camera

The clearest difference is review sentiment: Lumu Light Meter at 53% against Color Flash Camera's 0%. Lumu Light Meter also leads on rating (3.4 vs 1.8) and ads (none vs shown). Color Flash Camera's advantage is in-app purchases (none vs 3). On price and device support there is nothing between them.

Both are free to download. Lumu Light Meter sells 3 one-off in-app purchases. Color Flash Camera asks for nothing beyond the download.

Lumu Light Meter holds the better App Store score, 3.4 against 1.8. That said, the two scores are not equally well evidenced: Lumu Light Meter has 99 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 53% of Lumu Light Meter's written reviews are positive against 0% of Color Flash Camera's.

Lumu Light Meter ships an update monthly, Color Flash Camera every 14 months. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Lumu Light Meter | Color Flash Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (99 ratings)](https://appshunter.io/ios/app/lumu-light-meter/id730969737/reviews)** | [1.8 (4 ratings)](https://appshunter.io/ios/app/color-flash-camera/id6448271714/reviews) |
| Number of ratings | **99** | 4 |
| Positive reviews | **52.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 14 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 52 MB | 5 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lumu d.o.o.](https://appshunter.io/developer/912288615) | [YONEKAWA Hideki](https://appshunter.io/developer/333475314) |

## 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


### Color Flash Camera

[App page](https://appshunter.io/ios/app/color-flash-camera/id6448271714)

This camera app allows you to customize the color of your screen flash for unique selfies. Capture photos in low light with a vibrant, colored glow. Save, edit, and share your creative shots directly from the app.

**Highlights:** Change flash color, Front camera selfies, Save photos to library, Thumbnail display, Edit and send photos, RGB color selection

**In-app purchases:** none


## Frequently asked questions

### Is Lumu Light Meter free?

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

### Is Color Flash Camera free?

Color Flash Camera is free to download, with no in-app purchases.

### Which has better reviews, Lumu Light Meter or Color Flash Camera?

Lumu Light Meter is rated higher. Lumu Light Meter averages 3.4 out of 5 from 99 ratings, while Color Flash Camera averages 1.8 from 4 ratings.

### Do Lumu Light Meter or Color Flash Camera have ads?

Color Flash Camera shows ads; Lumu Light Meter does not.

### Which is updated more often, Lumu Light Meter or Color Flash Camera?

Lumu Light Meter ships an update monthly, and Color Flash Camera every 14 months. Most recently, Lumu Light Meter was updated on September 19, 2026 and Color Flash Camera on June 1, 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.*