SunGraph vs EclipseTimesCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SunGraph
Calculate sunrise and sunset times for any location globally and any day of the year. Explore earliest/latest times, the equation of time, and sun inclination. Visualize the sun's position on Earth.
- Sunrise and sunset times worldwide
- Earliest and latest sunrise/sunset
- Equation of time display
- Sun inclination at transit
- World view of sun's position
- User location database
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SunGraph is a sunrise and sunset calculator showing sunrise and sunset times for anywhere in the world and for any day of the year. For any latitude the earliest and latest sunrise and sunset times will be displayed. The analemma screen displays the equation of time along with the inclination of the sun above the horizon at transit. A world view shows the location of the sun on the Earth for the current time, or any day of the year. A data base can store user locations.
EclipseTimesCalc
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This uses the algorithms developed over the past 150 years along with the best information available about the locations of sun, moon, and earth to predict when an eclipse will occur at a particular location on the earth. This is useful to find where to go, where to look, and how the moon will move across the sun. It also provides the sunrise/set times for the location
Screenshots
Verdict
The clearest difference is device support: SunGraph at 4 against EclipseTimesCalc's 2. SunGraph also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.
| Parameter | SunGraph | EclipseTimesCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (12 ratings) — better | — |
| Positive reviews | 56.8% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 11 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tremont Air, LLC | robert hawley |
In-app purchases
SunGraph
No in-app purchases
EclipseTimesCalc
No in-app purchases
