# Planetary Clock vs Space by Tinybop

The clearest difference is rating: Planetary Clock at 4.9 against Space by Tinybop's 4.3. Planetary Clock also leads on price ($0.99 vs $3.99). Space by Tinybop's advantage is update cadence (every 6 months vs every 27 months) and review sentiment (67% vs 57%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Planetary Clock costs $0.99 and Space by Tinybop $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetary Clock holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 34 and 72 respectively. Written reviews complicate that: 57% of Planetary Clock's written reviews are positive against 67% of Space by Tinybop's, so the app with the better star average is not the one people write more warmly about.

Planetary Clock ships an update every 27 months, Space by Tinybop every 6 months. The most recent releases landed on August 19, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Planetary Clock | Space by Tinybop |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | **[4.9 (34 ratings)](https://appshunter.io/ios/app/planetary-clock/id812876503/reviews)** | [4.3 (72 ratings)](https://appshunter.io/ios/app/space-by-tinybop/id1126517945/reviews) |
| Number of ratings | 34 | **72** |
| Positive reviews | 57.1% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 14 MB | 255 MB |
| Requires iOS | **11.4** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piotr Knapczyk](https://appshunter.io/developer/1541886746) | [Tinybop Inc.](https://appshunter.io/developer/682046582) |

## What reviewers say

### Planetary Clock

[App page](https://appshunter.io/ios/app/planetary-clock/id812876503)

Visualize the precise positions of all planets in the Solar System for any given day. It uses accurate NASA data for orbital calculations and relative planet sizing, offering a clear, educational view of celestial mechanics.

**Highlights:** Real-time planet positions, Accurate orbital calculations, Uses NASA data, Relative planet sizing, Educational solar system view

**Features:** macOS Compatibility

**In-app purchases:** none


### Space by Tinybop

[App page](https://appshunter.io/ios/app/space-by-tinybop/id1126517945)

Explore our solar system and visit each planet up close. Discover their surfaces, characteristics, and orbits through interactive play. Test atmospheres, gravity, and observe planetary spins and seasons.

**Highlights:** Visit 8 planets and the sun, Study planet surfaces up close, Discover planet characteristics, Test atmospheres and gravity with meteorites, Compare planet sizes and masses, Observe planetary orbits and moon phases, Explore Mars with rovers and chopper

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Clock free?

Planetary Clock costs $0.99, with no in-app purchases.

### Is Space by Tinybop free?

Space by Tinybop costs $3.99, with no in-app purchases.

### Which has better reviews, Planetary Clock or Space by Tinybop?

Planetary Clock is rated higher. Planetary Clock averages 4.9 out of 5 from 34 ratings, while Space by Tinybop averages 4.3 from 72 ratings.

### Do Planetary Clock or Space by Tinybop have ads?

Neither Planetary Clock nor Space by Tinybop shows ads.

### Which is updated more often, Planetary Clock or Space by Tinybop?

Planetary Clock ships an update every 27 months, and Space by Tinybop every 6 months. Most recently, Planetary Clock was updated on August 19, 2026 and Space by Tinybop on September 26, 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.*