# Flat Earth Pro vs Kemetic App

The clearest difference is price: Kemetic App at Free against Flat Earth Pro's $3.99. Kemetic App also leads on update cadence (every 9 days vs every 6 weeks). Flat Earth Pro's advantage is in-app purchases (none vs 2) and ads (none vs shown).

Kemetic App is free to download; Flat Earth Pro costs $3.99 up front. Kemetic App sells 2 in-app purchases, starting at $0.99 per month. Flat Earth Pro asks for nothing beyond the download.

Flat Earth Pro ships an update every 6 weeks, Kemetic App every 9 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Flat Earth Pro | Kemetic App |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.9 (108 ratings)](https://appshunter.io/ios/app/flat-earth-pro/id1664580677/reviews)** | — |
| Number of ratings | **108** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 224 MB | 185 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Othman Alzahrani](https://appshunter.io/developer/1664580679) | [BLACKBEACON B.V.](https://appshunter.io/developer/1734626435) |

## What reviewers say

### Flat Earth Pro

[App page](https://appshunter.io/ios/app/flat-earth-pro/id1664580677)

Visualize celestial body positions, daylight coverage, and moon phases on an Earth projection. Explore sun and moon overhead positions, rise/set times, and lunar details. Features offline functionality and a local weather forecast.

**Highlights:** Daylight coverage visualization, Sun and moon overhead positions, Rise and set times, Moon phases and libration, Offline functionality, Local weather forecast

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

**In-app purchases:** none


### Kemetic App

[App page](https://appshunter.io/ios/app/kemetic-app/id6479200304)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| kemetic monthly | $0.99 | per month |
| kemetic yearly | $8.99 | per year |


## Frequently asked questions

### Is Flat Earth Pro free?

Flat Earth Pro costs $3.99, with no in-app purchases.

### Is Kemetic App free?

Kemetic App is free to download, with in-app purchases available.

### Do Flat Earth Pro or Kemetic App have ads?

Kemetic App shows ads; Flat Earth Pro does not.

### Which is updated more often, Flat Earth Pro or Kemetic App?

Flat Earth Pro ships an update every 6 weeks, and Kemetic App every 9 days. Most recently, Flat Earth Pro was updated on October 16, 2026 and Kemetic App on October 8, 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.*