# Space by Tinybop vs Universe Size Comparison

The clearest difference is rating: Space by Tinybop at 4.3 against Universe Size Comparison's 3.1. Space by Tinybop also leads on iOS requirement (12.0 vs 17.0). Universe Size Comparison's advantage is price ($1.99 vs $3.99). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Space by Tinybop costs $3.99 and Universe Size Comparison $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Space by Tinybop holds the better App Store score, 4.3 against 3.1. Both are backed by a comparable volume of ratings — 72 and 29 respectively. Written reviews complicate that: 67% of Space by Tinybop's written reviews are positive against 70% of Universe Size Comparison's, so the app with the better star average is not the one people write more warmly about.

Space by Tinybop ships an update every 6 months, Universe Size Comparison every 4 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Space by Tinybop | Universe Size Comparison |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[4.3 (72 ratings)](https://appshunter.io/ios/app/space-by-tinybop/id1126517945/reviews)** | [3.1 (29 ratings)](https://appshunter.io/ios/app/universe-size-comparison/id1473946290/reviews) |
| Number of ratings | **72** | 29 |
| Positive reviews | 66.7% of reviews | **70.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 255 MB | 413 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Age rating | 4+ | +4 |
| Developer | [Tinybop Inc.](https://appshunter.io/developer/682046582) | [Daniele Citi](https://appshunter.io/developer/1187632258) |

## What reviewers say

### 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


### Universe Size Comparison

[App page](https://appshunter.io/ios/app/universe-size-comparison/id1473946290)

Explore the vastness of space and understand celestial body dimensions through interactive 3D comparisons. Discover the scale of planets and stars, from our Sun to hypergiant stars, with guided tours and free comparison modes.

**Highlights:** 3D astronomical comparisons, Tour Mode with guided explanations, Free Mode for custom comparisons, Scale comparisons of planets and stars, Detailed celestial body information, Elegant user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Space by Tinybop free?

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

### Is Universe Size Comparison free?

Universe Size Comparison costs $1.99, with no in-app purchases.

### Which has better reviews, Space by Tinybop or Universe Size Comparison?

Space by Tinybop is rated higher. Space by Tinybop averages 4.3 out of 5 from 72 ratings, while Universe Size Comparison averages 3.1 from 29 ratings.

### Do Space by Tinybop or Universe Size Comparison have ads?

Neither Space by Tinybop nor Universe Size Comparison shows ads.

### Which is updated more often, Space by Tinybop or Universe Size Comparison?

Space by Tinybop ships an update every 6 months, and Universe Size Comparison every 4 months. Most recently, Space by Tinybop was updated on October 21, 2026 and Universe Size Comparison 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.*