# Lunaro vs hellocetus

The clearest difference is ads: hellocetus at none against Lunaro's shown. hellocetus also leads on iOS requirement (15.0 vs 17.6). Lunaro's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lunaro ships an update every 3 days, hellocetus monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lunaro | hellocetus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lunaro/id6744329460/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 77 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jordan Barone](https://appshunter.io/developer/1807112167) | [Waitcle](https://appshunter.io/developer/1824924378) |

## What reviewers say

### Lunaro

[App page](https://appshunter.io/ios/app/lunaro/id6744329460)

**In-app purchases:** none


### 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:** none


## Frequently asked questions

### Is Lunaro free?

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

### Is hellocetus free?

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

### Do Lunaro or hellocetus have ads?

Lunaro shows ads; hellocetus does not.

### Which is updated more often, Lunaro or hellocetus?

Lunaro ships an update every 3 days, and hellocetus monthly. Most recently, Lunaro was updated on October 24, 2026 and hellocetus on October 28, 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.*