# Hsia Calendar vs Time Dilation Explorer Lab

The clearest difference is ads: Hsia Calendar at none against Time Dilation Explorer Lab's shown. Hsia Calendar also leads on iOS requirement (16.6 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Hsia Calendar sells 2 in-app purchases, starting at $5.99 per month and Time Dilation Explorer Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Hsia Calendar | Time Dilation Explorer Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hsia-calendar/id6739701205/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 16 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Laurent Bottigliengo](https://appshunter.io/developer/1233984041) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Hsia Calendar

[App page](https://appshunter.io/ios/app/hsia-calendar/id6739701205)

This app helps you align with natural and cosmic cycles for optimal balance and prosperity. It offers practical daily advice, astrological insights, and agricultural planning based on sophisticated astronomical calculations. Live in harmony with the universe and cultivate serenity with this ancient wisdom.

**Highlights:** Alignment with natural and cosmic cycles, Precise astronomical calculations, Daily advice based on natural energies, Astrological insights (Five Elements, Bazi), Agricultural planning with solar terms, Promotes harmony and balance

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| hsia One Month | $5.99 | per month |
| One Year Subscription | $59.99 | per year |


### Time Dilation Explorer Lab

[App page](https://appshunter.io/ios/app/time-dilation-explorer-lab/id6773199521)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Hsia Calendar free?

Hsia Calendar is free to download, with in-app purchases available.

### Is Time Dilation Explorer Lab free?

Time Dilation Explorer Lab is free to download, with in-app purchases available.

### Do Hsia Calendar or Time Dilation Explorer Lab have ads?

Time Dilation Explorer Lab shows ads; Hsia Calendar does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*