# Universe Size Comparison vs DragginMath

The clearest difference is rating: DragginMath at 5.0 against Universe Size Comparison's 3.1. DragginMath also leads on review sentiment (100% vs 67%) and update cadence (every 6 weeks vs every 4 months). Universe Size Comparison's advantage is price ($1.99 vs $9.99) and ratings volume (29 vs 3). On ads, in-app purchases, monetization model and device support there is nothing between them.

Universe Size Comparison costs $1.99 and DragginMath $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DragginMath holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Universe Size Comparison has 29 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 67% of Universe Size Comparison's written reviews are positive against 100% of DragginMath's.

Universe Size Comparison ships an update every 4 months, DragginMath every 6 weeks. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Universe Size Comparison | DragginMath |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | [3.1 (29 ratings)](https://appshunter.io/ios/app/universe-size-comparison/id1473946290/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dragginmath/id1507473098/reviews)** |
| Number of ratings | **29** | 3 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 411 MB | 5 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniele Citi](https://appshunter.io/developer/1187632258) | [brising.com](https://appshunter.io/developer/1507473097) |

## 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


### DragginMath

[App page](https://appshunter.io/ios/app/dragginmath/id1507473098)

This app transforms algebraic equations into interactive visual experiences, allowing users to manipulate and understand mathematical concepts through hands-on interaction. It serves as a powerful tool for learning, teaching, and practicing algebra, making complex ideas accessible and engaging for novices.

**Highlights:** Converts equations into interactive pictures, Manipulate equations by dragging elements, Visualize internal equation structure, Experiment with algebraic properties, Create and share animated math lessons, Email homework assignments and receive them back

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

**In-app purchases:** none


## Frequently asked questions

### Is Universe Size Comparison free?

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

### Is DragginMath free?

DragginMath costs $9.99, with no in-app purchases.

### Which has better reviews, Universe Size Comparison or DragginMath?

DragginMath is rated higher. Universe Size Comparison averages 3.1 out of 5 from 29 ratings, while DragginMath averages 5.0 from 3 ratings.

### Do Universe Size Comparison or DragginMath have ads?

Neither Universe Size Comparison nor DragginMath shows ads.

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

Universe Size Comparison ships an update every 4 months, and DragginMath every 6 weeks. Most recently, Universe Size Comparison was updated on September 15, 2026 and DragginMath on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*