illumeter vs Light Meter & Logbook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
illumeter
This app functions as a portable light meter, allowing users to measure exposure values like aperture, shutter speed, and ISO. It offers features for logging shots with location and settings, and provides customization options for a personalized user experience.
- Exposure measurement (Aperture, Shutter Speed, ISO)
- Tap-to-focus exposure lock
- Exposure compensation
- Frame logging with location and settings
- List and map view of logged frames
- Customizable settings and appearance
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illumeter, The Simplest Light Meter in Your Pocket. Exposure Meter • Choose the value you want to measure from Aperture, Shutter Speed, or ISO. • The selected value automatically adjusts based on changes in the other two settings. • Tap a specific point on the screen to lock the exposure to that area. • An exposure compensation feature is provided to help you handle various challenging lighting conditions. Frame Logging • Log your frames by composing your shot and pressing the shutter button. • Location, date and time, EV value, and settings are recorded with each frame. • Review your recorded frames in a list and on a map. • Easily delete or edit incorrect frames. Settings & Personalization • Easily toggle various features on or off. • Deactivate or remove unused values. • Customize the app's appearance and feedback to your preference.
Light Meter & Logbook
Transform your smartphone into a professional light meter and comprehensive photo logbook. It offers precise exposure readings, advanced tools for various photography styles, and a flexible interface to organize all your shooting data.
- Reflected metering with camera
- EV calibration and fractional stops
- ISO range 3-25,600
- ND filter and long-exposure timer
- Spot metering with histogram
- Film library and push/pull processing
- Photo logbook for settings and notes
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Turn your phone into a professional light meter and photo logbook — ideal for film, digital, medium-format, and pinhole photography. ACCURATE EXPOSURES • Reflected metering with your camera • EV calibration for precision • Fractional stops (1/2, 1/3) for fine-tuning ADVANCED TOOLS • ISO range from 3 to 25,600 • ND filter and long-exposure timer • Spot metering with histogram • 35mm equivalent focal length display • Medium-format focal length conversion support • Apply color filters to the live preview for accurate B&W film visualization • Pinhole camera support with custom f-numbers • Built-in library of 20+ films with the option to add your own • Push/pull processing support • Reciprocity correction for long exposures FAST & FLEXIBLE • One-tap exposure calculation • Customizable metering screen layout • Equipment profiles for cameras, lenses, and pinhole setups — now including medium-format systems • Dark mode and haptic feedback COMPLETE PHOTO LOGBOOK • Record exposure settings, location, and notes • Keep all shooting data organized and accessible PERSONALIZED INTERFACE • Light, Dark, or System themes • Custom primary color Download Light Meter & Logbook to achieve accurate exposures and keep every shot documented — all in one powerful app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: illumeter at 4.6 against Light Meter & Logbook's 4.0. illumeter also leads on in-app purchases (none vs 3) and ratings volume (11 vs 1). Light Meter & Logbook's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Light Meter & Logbook sells 3 in-app purchases, starting at $0.99 per month. illumeter asks for nothing beyond the download.
illumeter holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: illumeter has 11 ratings behind it against 1, so its average is the more settled of the two.
illumeter ships an update every 2 weeks, Light Meter & Logbook every 6 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.
| Parameter | illumeter | Light Meter & Logbook |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (11 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Seunghun Yang | Vadim Turko |
Customer experience
illumeter
Light Meter & Logbook
In-app purchases
illumeter
No in-app purchases
Light Meter & Logbook
- Lightmeter Pro$0.991 Month
- Lightmeter Pro$14.991 Year
- Lightmeter Pro$9.99
Questions
Is illumeter free?
Is Light Meter & Logbook free?
Which has better reviews, illumeter or Light Meter & Logbook?
Do illumeter or Light Meter & Logbook have ads?
Which is updated more often, illumeter or Light Meter & Logbook?
Other comparisons
