Light Meter vs AstroExposure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Light Meter
This tool helps film and manual camera users determine correct exposure settings. It offers various metering modes, calibration options, and a shooting log with scene photos and data.
- Aperture-priority and shutter-priority metering
- Average, center-weighted, and spot metering
- Zone metering for local exposure control
- 18% gray card calibration
- Histogram display
- EV display, ISO presets, ND filter compensation
- Shooting log with scene photos
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An exposure meter for film and manual cameras, focused on the shooting data you need in the field. Key Features: * Aperture-priority and shutter-priority metering. * Average, center-weighted, and spot metering. * Zone metering in spot mode for local exposure control. * 18% gray card calibration for spot readings. * Histogram display for highlights and shadows. * EV display, film ISO presets, and ND filter compensation. * Shooting log with scene photos and metering data.
AstroExposure
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AstroExposure is a simple, precise calculator for planning your night sky photography. Choose your calculation method, enter your focal length, aperture, and sensor specifications, and instantly get a recommended exposure time to minimize star trailing. The app supports the most widely used astrophotography rules, including the 500 Rule and the NPF Rule. You can also select a camera from the built-in database, adjust settings manually, and save your favorite configurations. Key features: • Astrophotography exposure time calculation • 500 Rule and NPF Rule support • Sensor or camera selection • Focal length, aperture, and pixel size settings • Favorites for quick access to your settings • Clean, fast, and distraction-free interface AstroExposure is designed for photographers who want to spend less time calculating and more time under the stars.
Screenshots
Verdict
Light Meter and AstroExposure are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 sells 1 one-off in-app purchase and AstroExposure sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | Light Meter | AstroExposure |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (11 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17 — better | 17.6 |
| Further details — not scored | ||
| Size | 18 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Moegi Co., Ltd. | Piriou Alain |
In-app purchases
Light Meter
- Lifetime Pro Membership$5.99
AstroExposure
- Espresso under the stars ☕️$0.99
- Latte under the stars ☕️🥛$2.99
- Coffee thermos under the stars 🫖$3.99
Questions
Is Light Meter free?
Is AstroExposure free?
Do Light Meter or AstroExposure have ads?
Other comparisons
