Gnomon vs FrameSeeker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
FrameSeeker
Plan your photography by visualizing light conditions and terrain. See sun, moon, and Milky Way positions, golden hour, and twilights. Scout locations with 3D terrain and camera field of view simulations before you go.
- Sun, Moon, and Milky Way positioning
- Golden hour and twilight visualization
- 3D terrain mapping
- Camera field of view simulation
- Depth of field and hyperfocal distance
- Share and view community photos
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FrameSeeker is the ultimate camera and drone shot preplanning app. It tells you where the light will be, so you can be there before it happens. Pick any spot on the map and stand in it. The viewfinder renders real terrain at a real focal length (16 mm to 800 mm, on your sensor) so you can see whether the ridge blocks the sunrise before you drive four hours to find out that it does. THE LIGHT • Sun, Moon and Milky Way positions for any place and any date • Golden hour, blue hour and the three twilights, on a timeline you can scrub • Rise and set solved against the actual horizon, not a flat one • Solar and lunar eclipses, rendered where they happen THE CAMERA • Field of view for any focal length and sensor, full frame to Micro Four Thirds • Depth of field and hyperfocal distance • Stand at eye level or on the summit — no clamped pitch, no clamped altitude THE MAP • 3D terrain from real elevation data, offline once downloaded • Photorealistic 3D tiles where you want detail (FrameSeeker Plus subscription) • Region packs, so a valley in the Dolomites works without signal THE PEOPLE • Share the frames you make, pinned to where you stood • See what others shot nearby, and in what light • Hold a place with your best-liked photograph there • Public or private, per photograph, always your choice Your photographs carry their coordinates. FrameSeeker shows you that, and lets you keep any of them to yourself. FRAMESEEKER PLUS SUBSCRIPTION FrameSeeker Plus is an auto-renewable subscription: $2.99 per month. Everything else in FrameSeeker is free. Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel it in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://beneaze.github.io/frameseeker-legal/en/privacy.html
Screenshots
Verdict
The clearest difference is iOS requirement: Gnomon at 18.6 against FrameSeeker's 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. Gnomon sells 2 in-app purchases, starting at $2.99 per 7 days and FrameSeeker sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Gnomon | FrameSeeker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 18.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 16 MB | 95 MB |
| Age rating | 4+ | 9+ |
| Developer | Ahmet Giray Ucar | Benedikt Lezius |
In-app purchases
Gnomon
- Gnomon+ Weekly$2.997 Days
- Gnomon+ Yearly$24.991 Year
FrameSeeker
- FrameSeeker Plus$0.991 Month









