# The Elements by Theodore Gray vs Univerzoom 3D

The clearest difference is price: Univerzoom 3D at $2.99 against The Elements by Theodore Gray's $9.99. Univerzoom 3D also leads on review sentiment (97% vs 73%) and iOS requirement (15.0 vs 17.0). On rating, ratings volume, update cadence and ads there is nothing between them.

The Elements by Theodore Gray costs $9.99 and Univerzoom 3D $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Univerzoom 3D holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 123 and 289 respectively. Written reviews point the same way: 73% of The Elements by Theodore Gray's written reviews are positive against 97% of Univerzoom 3D's.

The Elements by Theodore Gray ships an update every 3 months, Univerzoom 3D every 2 months. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | The Elements by Theodore Gray | Univerzoom 3D |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | [4.6 (123 ratings)](https://appshunter.io/ios/app/the-elements-by-theodore-gray/id364147847/reviews) | **[4.8 (289 ratings)](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156/reviews)** |
| Number of ratings | 123 | **289** |
| Positive reviews | 73.1% of reviews | **97.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 1.5 GB | 255 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NatureGuides Ltd.](https://appshunter.io/developer/310574314) | [Linda Schnetzinger](https://appshunter.io/developer/1479825448) |

## What reviewers say

### The Elements by Theodore Gray

[App page](https://appshunter.io/ios/app/the-elements-by-theodore-gray/id364147847)

Explore the building blocks of the universe with this interactive guide to the periodic table. Discover beautifully photographed elements, fascinating stories, and detailed 3D models of over 500 objects, all presented in multiple languages.

**Highlights:** Living periodic table interface, Rotating 3D element samples, Detailed 3D object models, Pinch-zoom and 3D stereo viewing, Multilingual support, Fascinating stories and facts

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

**In-app purchases:** none

**What reviewers like**

- 💎 Stunning visuals and 3D animations
- 📚 Comprehensive information on elements
- 🎨 Engaging and humorous writing style
- 🏫 Excellent educational tool for all ages

**What reviewers complain about**

- 🔍 Difficult to navigate and find specific elements
- 🔌 Massive file size takes up a lot of storage
- 🐛 Frequent crashes and stability issues
- 💰 Expensive for the limited content

**Reported bugs**

- Element descriptions cut off on iPhone 6 Plus
- Crashes when switching landscape orientations
- Unable to download app after initial purchase

**Requested features**

- Add option to disable animations
- Improve periodic table navigation
- Include more detailed scientific information
- Support multiple languages and spellings


### Univerzoom 3D

[App page](https://appshunter.io/ios/app/univerzoom-3d-explore-scale/id1552648156)

Explore the vastness of the universe and the intricacies of the microcosmos with intuitive touch controls. Compare celestial bodies, everyday objects, and subatomic particles to grasp their true scale. Discover fascinating facts and learn about the cosmos and beyond.

**Highlights:** Intuitive gesture-based scaling, Explore universe to atomic levels, Compare sizes of diverse objects, Learn facts about celestial bodies, Text-to-Speech for facts, External resource links

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Elements by Theodore Gray free?

The Elements by Theodore Gray costs $9.99, with no in-app purchases.

### Is Univerzoom 3D free?

Univerzoom 3D costs $2.99, with no in-app purchases.

### Which has better reviews, The Elements by Theodore Gray or Univerzoom 3D?

Univerzoom 3D is rated higher. The Elements by Theodore Gray averages 4.6 out of 5 from 123 ratings, while Univerzoom 3D averages 4.8 from 289 ratings.

### Do The Elements by Theodore Gray or Univerzoom 3D have ads?

Neither The Elements by Theodore Gray nor Univerzoom 3D shows ads.

### Which is updated more often, The Elements by Theodore Gray or Univerzoom 3D?

The Elements by Theodore Gray ships an update every 3 months, and Univerzoom 3D every 2 months. Most recently, The Elements by Theodore Gray was updated on October 26, 2026 and Univerzoom 3D on October 21, 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.*