Diana vs MOON Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diana
Visualize the Moon's journey with detailed phase tracking and precise rise/set times for both the Moon and Sun. This app utilizes your location data to provide accurate astronomical information.
- Waxing and waning moon display
- New, quarter, full, and third-quarter phase dates
- Moon and Sun rise/set times
- Location-based astronomical calculations
- GPS positioning integration
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Diana graphically displays the waxing and waning of the Moon. # Functions: * Displays the waxing and waning of the Moon * Displays the dates of the Moon's new, first-quarter, full, and third-quarter phases * Displays the times of the rising and setting of both the Moon and the Sun * All figures are computed based on positioning data from GPS or location selection. # Support * Mail: support@sorakaze.co.jp * Twitter: @sorakazeinc
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 rating: MOON Pro at 4.4 against Diana's 3.5. MOON Pro also leads on update cadence (weekly vs every 5 months) and review sentiment (90% vs 65%). Diana's advantage is in-app purchases (none vs 1). On price, ads and device support 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. MOON Pro sells 1 one-off in-app purchase. Diana asks for nothing beyond the download.
MOON Pro holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: MOON Pro has 69 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 65% of Diana's written reviews are positive against 90% of MOON Pro's.
Diana ships an update every 5 months, MOON Pro weekly. Both last shipped on October 27, 2026.
| Parameter | Diana | MOON Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (6 ratings) | 4.4 (69 ratings) — better |
| Positive reviews | 64.6% of reviews | 90.0% of reviews — better |
| Number of ratings | 6 | 69 — better |
| Update frequency | Every 5 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.5 | 12.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | sorakaze Inc. | MARK MANSER |
Customer experience
Diana
MOON Pro
In-app purchases
Diana
No in-app purchases
MOON Pro
- Remove Ads$1.99
