Simple Moon Phase Calendar vs MOON Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Moon Phase Calendar
A straightforward calendar app displaying detailed lunar information for each date. It includes moon phase, age, distance, illumination, zodiac sign, and rise/set times. Features a note function, widgets, and customizable notifications for key lunar events and Mercury retrograde.
- Moon phase and age display
- Lunar distance and illumination
- Moon sign and constellation
- Mercury retrograde tracking
- Moonrise and moonset times
- Note function
- Widget support
- Customizable notifications
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It is a simple moon phase calendar. Tap the date cell to display the detail screen. The data to display is the moon phase, moon age, distance, percent illuminated, moon sign , constellation, Mercury retrograde, moonrise and monnset etc. There is also a note function and Widget. You can notify on full moon, new moon, first quarter, last quarter, beginning and the end of Mercury retrograde.
MOON Pro
Track the current phase of the moon and its cycle with detailed astronomical data. View information on moon age, distance, and upcoming eclipses. Discover the moon's current zodiac sign.
- Current moon phase and cycle tracking
- Detailed astronomical data (age, distance)
- Upcoming lunar and solar eclipse information
- Current moon zodiac sign display
- Moon and sun angular diameter
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MOON Pro will show you the current moon's phase and the current cycle from 'new moon' to 'new moon' Detail data shows: * Moon Age (Days) * Moon Distance (km) * Sun Distance (km) * Moon Angular Diameter (degrees) * Sun Angular Diameter (degrees) * Next Lunar Eclipse * Next Solar Eclipse * Current Moon Zodiac Sign
Screenshots
Verdict
The clearest difference is update cadence: MOON Pro at weekly against Simple Moon Phase Calendar's every 5 months. MOON Pro also leads on review sentiment (90% vs 65%) and device support (3 vs 1). Simple Moon Phase Calendar's advantage is rating (4.8 vs 4.4). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Simple Moon Phase Calendar sells 2 one-off in-app purchases and MOON Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Simple Moon Phase Calendar holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 86 and 69 respectively. Written reviews complicate that: 65% of Simple Moon Phase Calendar's written reviews are positive against 90% of MOON Pro's, so the app with the better star average is not the one people write more warmly about.
Simple Moon Phase Calendar ships an update every 5 months, MOON Pro weekly. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | Simple Moon Phase Calendar | MOON Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (86 ratings) — better | 4.4 (69 ratings) |
| Positive reviews | 65.1% of reviews | 90.0% of reviews — better |
| Number of ratings | 86 — better | 69 |
| Update frequency | Every 5 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Fumihiro Takahashi | MARK MANSER |
Customer experience
Simple Moon Phase Calendar
MOON Pro
In-app purchases
Simple Moon Phase Calendar
- Remove Ads$1.99
- Unlock$1.99
MOON Pro
- Remove Ads$1.99
Questions
Is Simple Moon Phase Calendar free?
Is MOON Pro free?
Which has better reviews, Simple Moon Phase Calendar or MOON Pro?
Do Simple Moon Phase Calendar or MOON Pro have ads?
Which is updated more often, Simple Moon Phase Calendar or MOON Pro?
Other comparisons
