# hellocetus vs Today, Aligned

The clearest difference is iOS requirement: Today, Aligned at 13.0 against hellocetus's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. hellocetus sells 3 in-app purchases, starting at $1.99 per month and Today, Aligned sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | hellocetus | Today, Aligned |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waitcle](https://appshunter.io/developer/1824924378) | [Junwhan Choi](https://appshunter.io/developer/1869225088) |

## What reviewers say

### hellocetus

[App page](https://appshunter.io/ios/app/hellocetus-supermoon-calendar/id6759944569)

Track celestial events like supermoons, moon phases, and planet positions with this astronomy calendar. Plan observations, get local sun and moon times, and explore detailed sky data.

**Highlights:** Supermoon calendar with long-range dates, Daily moon phase and illumination tracking, Local sun and moon times, Planet position comparison, Save observation notes and reminders, Optional astronomy event alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HelloCetus Premium Monthly | $1.99 | per month |
| HelloCetus Premium Yearly | $4.99 | per year |
| HelloCetus Premium | $6.99 | one-time |


### Today, Aligned

[App page](https://appshunter.io/ios/app/today-aligned/id6761419936)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| This Month 24-Hour Access | $0.99 | one-time |
| This Year 24-Hour Access | $1.99 | one-time |


## Frequently asked questions

### Is hellocetus free?

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

### Is Today, Aligned free?

Today, Aligned is free to download, with in-app purchases available.

### Do hellocetus or Today, Aligned have ads?

Neither hellocetus nor Today, Aligned 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.*