# Moon Phase Calendar & Tracker vs Moon Phase Keeper

The clearest difference is price: Moon Phase Calendar & Tracker at Free against Moon Phase Keeper's $2.99. Moon Phase Calendar & Tracker also leads on update cadence (every 2 days vs every 9 days). Moon Phase Keeper's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Moon Phase Calendar & Tracker is free to download; Moon Phase Keeper costs $2.99 up front. Moon Phase Calendar & Tracker sells 1 one-off in-app purchase. Moon Phase Keeper asks for nothing beyond the download.

Moon Phase Calendar & Tracker ships an update every 2 days, Moon Phase Keeper every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Moon Phase Calendar & Tracker | Moon Phase Keeper |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (33 ratings)](https://appshunter.io/ios/app/moon-phase-calendar-and-tracker/id6757232102/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free | — |
| Size | 136 MB | 3 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel McAleese](https://appshunter.io/developer/1675544623) | [Huseyin Bagana](https://appshunter.io/developer/1537624907) |

## What reviewers say

### Moon Phase Calendar & Tracker

[App page](https://appshunter.io/ios/app/moon-phase-calendar-and-tracker/id6757232102)

Track the lunar cycle with a realistic 3D moon simulation. Visualize its position on a map, access a comprehensive calendar with rise/set times and illumination percentages, and receive custom notifications for celestial events and eclipses. Includes detailed astronomical data and customizable home screen widgets.

**Highlights:** Realistic 3D live moon simulation, Interactive moon position map, Comprehensive lunar calendar, Smart custom notifications, Deep astronomical data, Beautiful home screen widgets, Global location support

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hey Moon Pro | $3.99 | one-time |


### Moon Phase Keeper

[App page](https://appshunter.io/ios/app/moon-phase-keeper/id6758664879)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moon Phase Calendar & Tracker free?

Moon Phase Calendar & Tracker is free to download, with in-app purchases available.

### Is Moon Phase Keeper free?

Moon Phase Keeper costs $2.99, with no in-app purchases.

### Do Moon Phase Calendar & Tracker or Moon Phase Keeper have ads?

Neither Moon Phase Calendar & Tracker nor Moon Phase Keeper shows ads.

### Which is updated more often, Moon Phase Calendar & Tracker or Moon Phase Keeper?

Moon Phase Calendar & Tracker ships an update every 2 days, and Moon Phase Keeper every 9 days. Most recently, Moon Phase Calendar & Tracker was updated on October 31, 2026 and Moon Phase Keeper on October 31, 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.*