# SunGraph vs EclipseTimesCalc

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.

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.

## The numbers

| Metric | SunGraph | EclipseTimesCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (12 ratings)](https://appshunter.io/ios/app/sungraph/id321534034/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 56.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 11 MB | 5 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tremont Air, LLC](https://appshunter.io/developer/309321587) | [robert hawley](https://appshunter.io/developer/1567295439) |

## What reviewers say

### SunGraph

[App page](https://appshunter.io/ios/app/sungraph/id321534034)

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.

**Highlights:** 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

**In-app purchases:** none


### EclipseTimesCalc

[App page](https://appshunter.io/ios/app/eclipsetimescalc/id1567295437)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SunGraph free?

SunGraph is free to download, with no in-app purchases.

### Is EclipseTimesCalc free?

EclipseTimesCalc is free to download, with no in-app purchases.

### Do SunGraph or EclipseTimesCalc have ads?

Neither SunGraph nor EclipseTimesCalc shows ads.

### Which is updated more often, SunGraph or EclipseTimesCalc?

SunGraph ships an update every 4 months, and EclipseTimesCalc every 4 months. Most recently, SunGraph was updated on September 18, 2026 and EclipseTimesCalc on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*