# MOON vs Flip Clock

The clearest difference is rating: Flip Clock at 5.0 against MOON's 1.0. Flip Clock also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. MOON sells 1 in-app purchase, starting at $39.99 per 3 months. Flip Clock asks for nothing beyond the download.

Flip Clock holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Flip Clock has 6 ratings behind it against 1, so its average is the more settled of the two.

MOON ships an update every 3 days, Flip Clock every 4 days. The most recent releases landed on September 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MOON | Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/moon-and/id6449190020/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/flip-clock-pure-edition/id6459018399/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 47 MB | 23 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [成钢 丁](https://appshunter.io/developer/1682824090) | [玲 刘](https://appshunter.io/developer/1707618525) |

## What reviewers say

### MOON

[App page](https://appshunter.io/ios/app/moon-and/id6449190020)

Explore lunar phases and celestial events with this comprehensive utility. Access a lunar calendar, moonrise/moonset times, and detailed phase information. Learn about the science behind lunar cycles and their impact on nature.

**Highlights:** Lunar phase calendar, Moonrise and moonset times, Detailed daily phase information, Lunar knowledge and tutorials, Access to premium features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁全部高级功能 | $39.99 | per 3 months |


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-pure-edition/id6459018399)

This app offers a beautiful, ad-free digital clock experience with multiple dial styles. Use it as a desktop alarm or a simple timepiece, with optional hourly chimes and custom prompts to keep you informed. It's a convenient digital alternative to a physical clock for daily life, work, and study.

**Highlights:** Multiple dial styles, Ad-free experience, Desktop alarm clock functionality, Hour reporting function, Custom prompts, Digital alternative to physical clocks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MOON free?

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

### Is Flip Clock free?

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

### Which has better reviews, MOON or Flip Clock?

Flip Clock is rated higher. MOON averages 1.0 out of 5 from 1 ratings, while Flip Clock averages 5.0 from 6 ratings.

### Do MOON or Flip Clock have ads?

MOON shows ads; Flip Clock does not.

### Which is updated more often, MOON or Flip Clock?

MOON ships an update every 3 days, and Flip Clock every 4 days. Most recently, MOON was updated on September 14, 2026 and Flip Clock on October 12, 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.*