# Monad Calendar Clock vs Mathematicl

The clearest difference is price: Mathematicl at Free against Monad Calendar Clock's $0.99. Monad Calendar Clock's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On ads and in-app purchases there is nothing between them.

Mathematicl is free to download; Monad Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Monad Calendar Clock | Mathematicl |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.7 (14 ratings)](https://appshunter.io/ios/app/monad-calendar-clock/id1437026437/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Paid | — |
| Size | 266 MB | 1 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Earth at the Center LLC](https://appshunter.io/developer/1437026436) | [Tanima Kashyap](https://appshunter.io/developer/1268137369) |

## What reviewers say

### Monad Calendar Clock

[App page](https://appshunter.io/ios/app/monad-calendar-clock/id1437026437)

This app visualizes time through planetary and celestial movements, contrasting natural rhythms with mechanical time. It offers unique perspectives on Earth's position in space and time, showing star and planet locations, seasonal changes, and lunar phases.

**Highlights:** Planetary time and date display, Celestial ring visualization, Heliocentric and Geocentric modes, Star and planet location tracking, Seasonal and lunar phase progression, Twilight and sunrise/sunset times, Event scheduling

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

**In-app purchases:** none


### Mathematicl

[App page](https://appshunter.io/ios/app/mathematicl/id6769868900)

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

**In-app purchases:** none


## Frequently asked questions

### Is Monad Calendar Clock free?

Monad Calendar Clock costs $0.99, with no in-app purchases.

### Is Mathematicl free?

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

### Do Monad Calendar Clock or Mathematicl have ads?

Neither Monad Calendar Clock nor Mathematicl 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.*