Coming Light vs Gnomon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Coming Light
This app helps photographers find the optimal light conditions for outdoor shoots. It predicts golden hour, blue hour, and star photography times, along with moon phases. Set reminders and view celestial object positions for perfect shots.
- Golden hour prediction
- Blue hour prediction
- Star photography timing
- Moonrise/moonset times
- Moon phase information
- Customizable reminders
- Celestial object location
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When shooting outdoor photography knowing the light that awaits you at the destination can make the difference between mediocre and outstanding photos. Golden hour is a magical time of day where the light is perfect for portraits and photographing autumn leaves. Blue hour provides wondrous cityscapes and urban images. Star photography needs the sun out of way to let the stars shine through and moonless nights. Coming Light tells you when the sun will be right for photography on your next outdoor excursion. See the times of the transitions of light from twilight, blue hour, and golden hour in both the morning and evening. You can see what time the light reaches the correct position. You can set reminders for a specific date and time, or set global reminders that will alert you before blue hour or golden hour at your current location. For any event you can view the location of the relevant object at the location. You can also see the time of moonrise and moonset along with the moon's phase to better plan your photo work. Note: Continued use of GPS running in the background can dramatically decrease battery life.
Gnomon
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GNOMON is an AR sun and moon path planner. Point your phone at the sky and see exactly where the sun will rise, travel and set, drawn over your camera view, before it happens. The gnomon was the first sun instrument in human history. This is yours. EVERYTHING IS COMPUTED No estimates and no fake data. GNOMON runs a full onboard ephemeris and computes every azimuth, altitude and event time from real astronomy for the exact place you are standing. Sunrise, solar noon, sunset, golden hour, blue hour, moonrise and moonset are all calculated on your device. SEE THE LIGHT BEFORE IT ARRIVES - The full sun path drawn over your camera, with past and future arcs - Live azimuth and altitude readout as you move your phone - A compass ruler with cardinal directions on the horizon - Event markers for sunrise, golden hour, noon, sunset and blue hour - A 24 hour time scrubber, drag it to preview the sky at any minute of the day - Tap any event to jump straight to that moment - Notifications before golden hour and sunset so you never miss the light MADE FOR PEOPLE WHO CHASE LIGHT Photographers planning a shot. Filmmakers scouting a location. Architects reading shadows. Or anyone who simply wants to know where the sun will be at 7 in the evening. CALIBRATED LIKE AN INSTRUMENT A quick compass calibration and a fine alignment step let you drag the on screen marker onto the real sun, locking the overlay to the sky in front of you. GNOMON PLUS Upgrade to unlock the full instrument: - Moon mode with the full lunar path, phases, illumination, moonrise and moonset - Date travel, preview the equinoxes and solstices and plan months ahead - MIL angle readouts in NATO 6400 for precision work Your location and camera feed never leave your device. Nothing is recorded and nothing is uploaded. Privacy Policy: https://docs.google.com/document/d/1Lkcu0DWHy4q1U7TOvaT6jWfqO6LwIc5V2Q1fGxc1V2g/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1m8JbuZmxgvlHB5qY7044NLyuA3pjJ3rzBy8fsmnKQhc/edit?usp=sharing
Screenshots
Verdict
The clearest difference is device support: Coming Light at 3 against Gnomon's 1. Coming Light also leads on iOS requirement (11.0 vs 18.6). On price, ads and in-app purchases 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. Coming Light sells 1 one-off in-app purchase and Gnomon sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Coming Light | Gnomon |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 16 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | William Morefield Jr. | Ahmet Giray Ucar |
In-app purchases
Coming Light
- Unlock Changing Dates and Location.$1.99
Gnomon
- Gnomon+ Weekly$2.997 Days
- Gnomon+ Yearly$24.991 Year







