# Day & Night Map vs Moon Phase Keeper

The clearest difference is price: Day & Night Map at Free against Moon Phase Keeper's $2.99. Moon Phase Keeper's advantage is update cadence (weekly vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Day & Night Map is free to download; Moon Phase Keeper costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Day & Night Map ships an update every 7 months, Moon Phase Keeper weekly. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Day & Night Map | Moon Phase Keeper |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (1.4K ratings)](https://appshunter.io/ios/app/day-and-night-map/id741375889/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free | — |
| Size | 48 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volker Voecking Software Engineering](https://appshunter.io/developer/390175341) | [Huseyin Bagana](https://appshunter.io/developer/1537624907) |

## What reviewers say

### Day & Night Map

[App page](https://appshunter.io/ios/app/day-and-night-map/id741375889)

Visualize the Earth's day and night cycles on an interactive world map. Select any date and time to see current illumination, or create animated GIFs of changing light patterns.

**Highlights:** Real-time day/night map, Selectable date and time, Animated GIF creation, Minute-by-minute updates, Global illumination visualization

**In-app purchases:** none

**What reviewers like**

- 👍 Great app
- 🚀 Useful for radio hams
- 👍 Interesting to see sun/moon movement
- 👍 Excellent for travelers

**What reviewers complain about**

- 🐛 Widget issues (doesn't update, resizing)
- 🐛 Crashes on some devices

**Reported bugs**

- Moon position not displayed on iPad
- Daylight savings time not working properly

**Requested features**

- Option to keep noon at center and have map move
- Show analemma and sun position on it
- 24-hour clock setting for widget
- Improve moon position display on iPad


### 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 Day & Night Map free?

Day & Night Map is free to download, with no in-app purchases.

### Is Moon Phase Keeper free?

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

### Do Day & Night Map or Moon Phase Keeper have ads?

Neither Day & Night Map nor Moon Phase Keeper shows ads.

### Which is updated more often, Day & Night Map or Moon Phase Keeper?

Day & Night Map ships an update every 7 months, and Moon Phase Keeper weekly. Most recently, Day & Night Map was updated on October 19, 2026 and Moon Phase Keeper on October 9, 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.*