# Flat Earth Sun, Moon Clock vs USD 447

The clearest difference is price: USD 447 at Free against Flat Earth Sun, Moon Clock's $2.99. Flat Earth Sun, Moon Clock's advantage is update cadence (monthly vs every 3 months) and chart position (#187 vs unranked). On ads, in-app purchases and device support there is nothing between them.

USD 447 is free to download; Flat Earth Sun, Moon Clock costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flat Earth Sun, Moon Clock ships an update monthly, USD 447 every 3 months. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Flat Earth Sun, Moon Clock | USD 447 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/flat-earth-sun-moon-clock/id1539327599/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | — |
| Best chart rank | **#187** | — |
| Size | 58 MB | 143 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [rohit guleria](https://appshunter.io/developer/1450717751) | [Unified School District 447 Cherryvale](https://appshunter.io/developer/1687562485) |

## What reviewers say

### Flat Earth Sun, Moon Clock

[App page](https://appshunter.io/ios/app/flat-earth-sun-moon-clock/id1539327599)

**Currently charting:** #187 Top Paid · Education (US App Store)

This app displays real-time positions of the sun and moon, including sunrise, sunset, and twilight times. It offers customizable clock styles, backgrounds, and time-lapse functions to visualize celestial movements and moon phases.

**Highlights:** Real-time sun and moon positions, Sunrise, sunset, and twilight times, Moon phase visualization, Customizable clock styles and backgrounds, Hourly and daily time-lapse function, Weather information

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

**In-app purchases:** none


### USD 447

[App page](https://appshunter.io/ios/app/usd-447/id6449045794)

**In-app purchases:** none


## Frequently asked questions

### Is Flat Earth Sun, Moon Clock free?

Flat Earth Sun, Moon Clock costs $2.99, with no in-app purchases.

### Is USD 447 free?

USD 447 is free to download, with no in-app purchases.

### Do Flat Earth Sun, Moon Clock or USD 447 have ads?

Neither Flat Earth Sun, Moon Clock nor USD 447 shows ads.

### Which is updated more often, Flat Earth Sun, Moon Clock or USD 447?

Flat Earth Sun, Moon Clock ships an update monthly, and USD 447 every 3 months. Most recently, Flat Earth Sun, Moon Clock was updated on October 29, 2026 and USD 447 on October 20, 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.*