# Long Exposure Toolkit vs Lumu Light Meter

The clearest difference is review sentiment: Long Exposure Toolkit at 100% against Lumu Light Meter's 53%. Long Exposure Toolkit also leads on rating (4.5 vs 3.4) and in-app purchases (none vs 3). Lumu Light Meter's advantage is price (Free vs $5.99) and ratings volume (99 vs 4). On ads and device support there is nothing between them.

Lumu Light Meter is free to download; Long Exposure Toolkit costs $5.99 up front. Lumu Light Meter sells 3 one-off in-app purchases. Long Exposure Toolkit asks for nothing beyond the download.

Long Exposure Toolkit holds the better App Store score, 4.5 against 3.4. 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: 100% of Long Exposure Toolkit's written reviews are positive against 53% of Lumu Light Meter's.

Long Exposure Toolkit ships an update every 3 months, Lumu Light Meter monthly. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Long Exposure Toolkit | Lumu Light Meter |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/long-exposure-toolkit/id656092265/reviews)** | [3.4 (99 ratings)](https://appshunter.io/ios/app/lumu-light-meter/id730969737/reviews) |
| Number of ratings | 4 | **99** |
| Positive reviews | **100.0% of reviews** | 52.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 30 MB | 52 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Offield](https://appshunter.io/developer/557480777) | [Lumu d.o.o.](https://appshunter.io/developer/912288615) |

## What reviewers say

### Long Exposure Toolkit

[App page](https://appshunter.io/ios/app/long-exposure-toolkit/id656092265)

This app provides DSLR photographers with a suite of tools for creating long exposure photographs. It includes calculators for ND filters, light metering, time-lapses, and exposure values, along with tips and a photo feed for inspiration.

**Highlights:** ND Calculator, Light Meter, Timelapse Calculator, Exposure Value (EV) Calculator, Star Trail Calculator, Exposure Timer, Flickr Photo Feed

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

**In-app purchases:** none


### 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 Long Exposure Toolkit free?

Long Exposure Toolkit costs $5.99, with no in-app purchases.

### Is Lumu Light Meter free?

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

### Which has better reviews, Long Exposure Toolkit or Lumu Light Meter?

Long Exposure Toolkit is rated higher. Long Exposure Toolkit averages 4.5 out of 5 from 4 ratings, while Lumu Light Meter averages 3.4 from 99 ratings.

### Do Long Exposure Toolkit or Lumu Light Meter have ads?

Neither Long Exposure Toolkit nor Lumu Light Meter shows ads.

### Which is updated more often, Long Exposure Toolkit or Lumu Light Meter?

Long Exposure Toolkit ships an update every 3 months, and Lumu Light Meter monthly. Most recently, Long Exposure Toolkit was updated on October 2, 2026 and Lumu Light Meter on October 12, 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.*