# Planetary Guide vs Luna Moon Calendar

The clearest difference is price: Luna Moon Calendar at Free against Planetary Guide's $9.99. Planetary Guide's advantage is update cadence (weekly vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Luna Moon Calendar is free to download; Planetary Guide costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetary Guide ships an update weekly, Luna Moon Calendar every 2 weeks. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Planetary Guide | Luna Moon Calendar |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 7 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Allyson Jane Bunting](https://appshunter.io/developer/1745521704) | [Nasuf OZGUR](https://appshunter.io/developer/1346113256) |

## What reviewers say

### Planetary Guide

[App page](https://appshunter.io/ios/app/planetary-guide/id6502454896)

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

**In-app purchases:** none


### Luna Moon Calendar

[App page](https://appshunter.io/ios/app/luna-moon-calendar/id6759957605)

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

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Guide free?

Planetary Guide costs $9.99, with no in-app purchases.

### Is Luna Moon Calendar free?

Luna Moon Calendar is free to download, with no in-app purchases.

### Do Planetary Guide or Luna Moon Calendar have ads?

Neither Planetary Guide nor Luna Moon Calendar shows ads.

### Which is updated more often, Planetary Guide or Luna Moon Calendar?

Planetary Guide ships an update weekly, and Luna Moon Calendar every 2 weeks. Most recently, Planetary Guide was updated on November 4, 2026 and Luna Moon Calendar on October 25, 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.*