# Periodensystem AR vs Finsternis

The clearest difference is price: Periodensystem AR at Free against Finsternis's $2.99. Periodensystem AR also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Periodensystem AR is free to download; Finsternis costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Periodensystem AR | Finsternis |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Paid |
| Size | 456 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suedwestrundfunk Anstalt des oeffentlichen Rechts](https://appshunter.io/developer/874296206) | [XIQIT GmbH](https://appshunter.io/developer/316760873) |

## What reviewers say

### Periodensystem AR

[App page](https://appshunter.io/ios/app/periodensystem-ar/id6502401585)

**Features:** macOS Compatibility

**In-app purchases:** none


### Finsternis

[App page](https://appshunter.io/ios/app/finsternis-eclipse/id6793573065)

Discover upcoming solar and lunar eclipses and whether they are visible from your location. Visualize eclipse paths on a 3D globe and receive timely reminders. Plan your viewing experience with precise contact times and location-based guidance.

**Highlights:** Upcoming eclipse list, Location-based visibility, 3D globe visualization, Precise contact times, Sky-finder compass, Customizable reminders, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Periodensystem AR free?

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

### Is Finsternis free?

Finsternis costs $2.99, with no in-app purchases.

### Do Periodensystem AR or Finsternis have ads?

Neither Periodensystem AR nor Finsternis shows ads.

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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.*