# Combat Clock 2a vs Sun Calculator

The clearest difference is update cadence: Combat Clock 2a at every 6 days against Sun Calculator's every 48 months. Combat Clock 2a also leads on rating (4.4 vs 4.0) and review sentiment (70% vs 50%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Combat Clock 2a costs $0.99 and Sun Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Combat Clock 2a holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Combat Clock 2a has 36 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 70% of Combat Clock 2a's written reviews are positive against 50% of Sun Calculator's.

Combat Clock 2a ships an update every 6 days, Sun Calculator every 48 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Combat Clock 2a | Sun Calculator |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/combat-clock-2a/id1471648729/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/sun-calculator/id1603759487/reviews) |
| Number of ratings | **36** | 4 |
| Positive reviews | **70.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 48 months |
| Monetization | Paid | Paid |
| Size | 13 MB | 9 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOHN W GRANHOLM](https://appshunter.io/developer/1464746158) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Combat Clock 2a

[App page](https://appshunter.io/ios/app/combat-clock-2a/id1471648729)

This app replicates a 1957 Air Force 24-hour analog clock. It displays current GPS coordinates, heading, and compass bearing, indicating direction in portrait mode. The application is active only when in the foreground and does not save or transmit any personal data.

**Highlights:** 24-hour analog clock display, Sweeping second hand, GPS coordinate display, Heading and compass bearing, Portrait mode directional indicator, Foreground active only

**Features:** macOS Compatibility

**In-app purchases:** none


### Sun Calculator

[App page](https://appshunter.io/ios/app/sun-calculator/id1603759487)

This app simulates the sun's movement and sunlight phases in a 3D environment. It calculates sun azimuth, height, and shadow length for any given location and time, with interactive controls for time flow and device orientation.

**Highlights:** Interactive 3D sun movement simulation, Calculates sun azimuth, height, and zenith angle, Sunrise, sunset, dusk, and dawn time calculation, Daytime length and shadow length calculation, Custom object height for shadow distance, Device rotation for compass orientation, Time flow for shadow change preview

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

**In-app purchases:** none


## Frequently asked questions

### Is Combat Clock 2a free?

Combat Clock 2a costs $0.99, with no in-app purchases.

### Is Sun Calculator free?

Sun Calculator costs $2.99, with no in-app purchases.

### Which has better reviews, Combat Clock 2a or Sun Calculator?

Combat Clock 2a is rated higher. Combat Clock 2a averages 4.4 out of 5 from 36 ratings, while Sun Calculator averages 4.0 from 4 ratings.

### Do Combat Clock 2a or Sun Calculator have ads?

Neither Combat Clock 2a nor Sun Calculator shows ads.

### Which is updated more often, Combat Clock 2a or Sun Calculator?

Combat Clock 2a ships an update every 6 days, and Sun Calculator every 48 months. Most recently, Combat Clock 2a was updated on October 25, 2026 and Sun Calculator on October 24, 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.*