Coming Light vs f/oss
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.
f/oss
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f/oss is a free light meter for film photography, rebuilt from the ground up as a fully native app. Point the spot-metering circle at your subject and read the exposure instantly. f/oss measures true photometric luminance through your iPhone's camera and is calibrated against professional reference meters. FIVE METERING MODES • Aperture Priority: set f-stop and ISO, get your shutter speed • Shutter Priority: set shutter and ISO, get your f-stop • Exposure Value: read the scene's EV directly • Cine: shutter angle and frame rate for filmmakers • Manual: check your chosen settings against the metered scene BUILT FOR REAL CAMERAS • Camera profiles: save your bodies with their actual shutter and bias limits • Full, half or third stop increments • Configurable shutter, aperture, ISO and exposure bias ranges • Reference lock: freeze a reading and measure scene contrast in stops • Exposure lock for recompose workflows ACCURATE • True spot metering of exactly the circle you see • Full-color light analysis: reads saturated LED and neon light correctly • Verified against professional meters from daylight to low light FREE, NO SUBSCRIPTION Every feature is free, forever. If f/oss saves your shots, there is an optional tip jar.
Screenshots
Verdict
The clearest difference is update cadence: f/oss at every 6 days against Coming Light's every 2 months. Coming Light's advantage is iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and device support 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 f/oss sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Coming Light ships an update every 2 months, f/oss every 6 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.
| Parameter | Coming Light | f/oss |
|---|---|---|
| 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 | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 16 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | William Morefield Jr. | Luca Tescari |
In-app purchases
Coming Light
- Unlock Changing Dates and Location.$1.99
f/oss
- Nice Tip$1.99
- Generous Tip$5.99
- Amazing Tip$9.99









