# Moon Phases vs US Calendar 2026

The clearest difference is in-app purchases: US Calendar 2026 at none against Moon Phases's 1. US Calendar 2026 also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Moon Phases sells 1 one-off in-app purchase. US Calendar 2026 asks for nothing beyond the download.

Moon Phases ships an update every 3 weeks, US Calendar 2026 every 2 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Moon Phases | US Calendar 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 40 MB | 26 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Grove Ltd](https://appshunter.io/developer/954373766) | [Poornima Arachchige](https://appshunter.io/developer/6789403973) |

## What reviewers say

### Moon Phases

[App page](https://appshunter.io/ios/app/moon-phases-lunar-tracker/id6760960352)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moon Phases Pro | $2.99 | one-time |


### US Calendar 2026

[App page](https://appshunter.io/ios/app/us-calendar-2026-2027/id6789895511)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moon Phases free?

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

### Is US Calendar 2026 free?

US Calendar 2026 is free to download, with no in-app purchases.

### Do Moon Phases or US Calendar 2026 have ads?

Both Moon Phases and US Calendar 2026 show ads.

### Which is updated more often, Moon Phases or US Calendar 2026?

Moon Phases ships an update every 3 weeks, and US Calendar 2026 every 2 weeks. Most recently, Moon Phases was updated on November 7, 2026 and US Calendar 2026 on November 6, 2026.

---

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