# Spacetime Clock vs Floating Clock

The clearest difference is price: Spacetime Clock at Free against Floating Clock's $5.99. Spacetime Clock also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). Floating Clock's advantage is rating (5.0 vs 2.8) and review sentiment (64% vs 41%). On ratings volume, in-app purchases, monetization model and iOS requirement there is nothing between them.

Spacetime Clock is free to download; Floating Clock costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Floating Clock holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews point the same way: 41% of Spacetime Clock's written reviews are positive against 64% of Floating Clock's.

Spacetime Clock ships an update every 2 months, Floating Clock every 6 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Spacetime Clock | Floating Clock |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [2.8 (4 ratings)](https://appshunter.io/ios/app/spacetime-clock/id404558956/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/floating-clock-desktop-time/id1609851584/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | 40.9% of reviews | **64.3% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 20 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [y-design](https://appshunter.io/developer/398188218) | [少都 陈](https://appshunter.io/developer/1597633787) |

## What reviewers say

### Spacetime Clock

[App page](https://appshunter.io/ios/app/spacetime-clock/id404558956)

Explore celestial mechanics and terrestrial positioning with this app. Visualize moon phases, Earth's rotation, and your location's latitude and longitude. It also includes a compass and level meter for your device.

**Highlights:** Moon phases visualization, Earth rotation and revolution simulation, Latitude and longitude display, Compass functionality, iPhone level meter, Customizable background colors

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

**In-app purchases:** none


### Floating Clock

[App page](https://appshunter.io/ios/app/floating-clock-desktop-time/id1609851584)

Display a customizable digital clock, stopwatch, and countdown timer that floats over other applications or your mobile desktop. Personalize backgrounds and fonts for a unique timekeeping experience.

**Highlights:** Floating clock overlay, Stopwatch functionality, Countdown timer, Customizable backgrounds and fonts, Multiple window support, Adjustable window size

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Spacetime Clock free?

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

### Is Floating Clock free?

Floating Clock costs $5.99, with no in-app purchases.

### Which has better reviews, Spacetime Clock or Floating Clock?

Floating Clock is rated higher. Spacetime Clock averages 2.8 out of 5 from 4 ratings, while Floating Clock averages 5.0 from 6 ratings.

### Do Spacetime Clock or Floating Clock have ads?

Floating Clock shows ads; Spacetime Clock does not.

### Which is updated more often, Spacetime Clock or Floating Clock?

Spacetime Clock ships an update every 2 months, and Floating Clock every 6 months. Most recently, Spacetime Clock was updated on October 14, 2026 and Floating Clock on October 9, 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.*