# Universe Size Comparison vs Interactive Minds

The clearest difference is rating: Interactive Minds at 5.0 against Universe Size Comparison's 3.2. Interactive Minds also leads on review sentiment (100% vs 70%) and update cadence (every 4 days vs every 3 months). Universe Size Comparison's advantage is price ($1.99 vs $5.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Universe Size Comparison costs $1.99 and Interactive Minds $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Interactive Minds holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 30 and 9 respectively. Written reviews point the same way: 70% of Universe Size Comparison's written reviews are positive against 100% of Interactive Minds's.

Universe Size Comparison ships an update every 3 months, Interactive Minds every 4 days. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Universe Size Comparison | Interactive Minds |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | [3.2 (30 ratings)](https://appshunter.io/ios/app/universe-size-comparison/id1473946290/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/interactive-minds-universe/id1508762771/reviews)** |
| Number of ratings | **30** | 9 |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 411 MB | 176 MB |
| Requires iOS | 17.0 | **8.0** |
| Devices | **iPhone, iPad, Apple TV** | iPad |
| Age rating | +4 | 4+ |
| Developer | [Daniele Citi](https://appshunter.io/developer/1187632258) | [Vosonos LLC](https://appshunter.io/developer/578659631) |

## What reviewers say

### 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


### Interactive Minds

[App page](https://appshunter.io/ios/app/interactive-minds-universe/id1508762771)

An interactive science book exploring the universe with stunning visuals and detailed facts. It covers a wide range of astronomical topics, from stars to galactic superclusters, designed for young learners.

**Highlights:** Interactive science book format, Stunning photos and videos, Universe simulations, Covers stars, galaxies, nebulae, and more, Kid-friendly design for ages 11+, No ads or in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Universe Size Comparison free?

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

### Is Interactive Minds free?

Interactive Minds costs $5.99, with no in-app purchases.

### Which has better reviews, Universe Size Comparison or Interactive Minds?

Interactive Minds is rated higher. Universe Size Comparison averages 3.2 out of 5 from 30 ratings, while Interactive Minds averages 5.0 from 9 ratings.

### Do Universe Size Comparison or Interactive Minds have ads?

Neither Universe Size Comparison nor Interactive Minds shows ads.

### Which is updated more often, Universe Size Comparison or Interactive Minds?

Universe Size Comparison ships an update every 3 months, and Interactive Minds every 4 days. Most recently, Universe Size Comparison was updated on October 29, 2026 and Interactive Minds on October 10, 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.*