# Diana vs SimpleMoon

The clearest difference is rating: SimpleMoon at 4.9 against Diana's 3.5. SimpleMoon also leads on review sentiment (86% vs 65%) and ratings volume (304 vs 6). Diana's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SimpleMoon sells 1 one-off in-app purchase. Diana asks for nothing beyond the download.

SimpleMoon holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: SimpleMoon has 304 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 86% of SimpleMoon's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Diana | SimpleMoon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/diana/id290525991/reviews) | **[4.9 (304 ratings)](https://appshunter.io/ios/app/simplemoon-moon-phase/id518753922/reviews)** |
| Number of ratings | 6 | **304** |
| Positive reviews | 64.6% of reviews | **86.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 24 MB | 20 MB |
| Requires iOS | 14.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sorakaze Inc.](https://appshunter.io/developer/1046448101) | [Tag Along K](https://appshunter.io/developer/716343859) |

## 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


### SimpleMoon

[App page](https://appshunter.io/ios/app/simplemoon-moon-phase/id518753922)

Get accurate, real-time moon phase and illumination information for any day. Easily navigate through dates and view the moon's appearance for your specific hemisphere. The app works offline and provides upcoming full and new moon dates.

**Highlights:** Real-time moon phase and illumination, Date navigation and calendar selection, Offline functionality, Hemisphere-specific moon views, Next full and new moon dates

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads from SimpleMoon | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🌕 Accurate moon phases
- 🖼️ Beautiful moon visuals
- 💡 Ability to check past and future dates
- 📱 Responsive developer

**What reviewers complain about**

- ⚠️ Unwanted adult content
- 🚫 Missing key information (rise/set times)
- 🖥️ No widget available
- 🤔 Limited features for some users
- 🧭 Location not always requested/used

**Reported bugs**

- Adult content appearing unexpectedly
- Moon phase accuracy issues reported
- App not rotating on iPads (resolved)
- Displays (null)% and black moon

**Requested features**

- Include moon rise and set times
- Add a widget for quick overview
- Allow dragging to scroll through dates
- App icon showing current moon phase
- Southern Hemisphere option


## Frequently asked questions

### Is Diana free?

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

### Is SimpleMoon free?

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

### Which has better reviews, Diana or SimpleMoon?

SimpleMoon is rated higher. Diana averages 3.5 out of 5 from 6 ratings, while SimpleMoon averages 4.9 from 304 ratings.

### Do Diana or SimpleMoon have ads?

Both Diana and SimpleMoon show ads.

### Which is updated more often, Diana or SimpleMoon?

Diana ships an update every 5 months, and SimpleMoon every 5 months. Most recently, Diana was updated on October 24, 2026 and SimpleMoon on October 22, 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.*