# Diana vs MOON Pro

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.

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.

## The numbers

| Metric | Diana | MOON Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/diana/id290525991/reviews) | **[4.4 (69 ratings)](https://appshunter.io/ios/app/moon-pro-moon-phases/id1507672995/reviews)** |
| Number of ratings | 6 | **69** |
| Positive reviews | 64.6% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 24 MB | 14 MB |
| Requires iOS | 14.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sorakaze Inc.](https://appshunter.io/developer/1046448101) | [MARK MANSER](https://appshunter.io/developer/1378563905) |

## What reviewers say

### Diana

[App page](https://appshunter.io/ios/app/diana/id290525991)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### MOON Pro

[App page](https://appshunter.io/ios/app/moon-pro-moon-phases/id1507672995)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Diana free?

Diana is free to download, with no in-app purchases.

### Is MOON Pro free?

MOON Pro is free to download, with in-app purchases available.

### Which has better reviews, Diana or MOON Pro?

MOON Pro is rated higher. Diana averages 3.5 out of 5 from 6 ratings, while MOON Pro averages 4.4 from 69 ratings.

### Do Diana or MOON Pro have ads?

Both Diana and MOON Pro show ads.

### Which is updated more often, Diana or MOON Pro?

Diana ships an update every 5 months, and MOON Pro weekly. Most recently, Diana was updated on October 27, 2026 and MOON Pro on October 27, 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.*