# EMD PTE vs Elementium

The clearest difference is in-app purchases: EMD PTE at none against Elementium's 9. EMD PTE also leads on review sentiment (90% vs 75%) and iOS requirement (12.0 vs 16.1). Elementium's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (576 vs 121). On price, rating, ads and device support there is nothing between them.

Both are free to download. Elementium sells 9 in-app purchases, starting at $1.99 per month. EMD PTE asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for EMD PTE against 4.6 for Elementium. Both are backed by a comparable volume of ratings — 121 and 576 respectively. Written reviews are what separate them: 90% of EMD PTE's written reviews are positive against 75% of Elementium's.

EMD PTE ships an update every 8 months, Elementium every 3 weeks. Both last shipped on September 29, 2026.

## The numbers

| Metric | EMD PTE | Elementium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (121 ratings)](https://appshunter.io/ios/app/emd-pte/id377393859/reviews)** | [4.6 (576 ratings)](https://appshunter.io/ios/app/elementium/id892123825/reviews) |
| Number of ratings | 121 | **576** |
| Positive reviews | **90.5% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 18 MB | 752 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Merck KGaA (Darmstadt, Germany)](https://appshunter.io/developer/370548001) | [Samuel Spencer](https://appshunter.io/developer/1128165856) |

## What reviewers say

### EMD PTE

[App page](https://appshunter.io/ios/app/emd-pte/id377393859)

This comprehensive mobile reference work provides detailed information on all chemical elements. It features a molar mass calculator, interactive visualizations, and offline access, making it an indispensable tool for students, educators, and chemistry enthusiasts.

**Highlights:** Detailed element information, Visualized element properties, Molar mass calculator, Offline access, Multi-language support, Element comparison function

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent user interface
- 🚀 Intuitive and easy to use
- 💡 Comprehensive information on elements
- 🔍 Detailed element properties and data
- 🎨 Visually appealing design

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔍 Missing some advanced features
- 🔧 Needs optimization for newer devices
- 🔢 Inconsistent unit display (Fahrenheit vs Celsius)

**Reported bugs**

- Incorrect atomic radius data for some elements
- Glitches when switching between screens

**Requested features**

- Add search functionality
- Provide more customization options
- Include isotope and mass data
- Improve navigation between elements


### Elementium

[App page](https://appshunter.io/ios/app/elementium/id892123825)

Access comprehensive information on every element of the periodic table. Explore detailed data, visualize trends, and utilize a built-in solubility calculator. Perfect for students and professionals needing quick, accurate chemical data.

**Highlights:** Detailed element information, Interactive periodic table, Dynamic filtering and trend visualization, Solubility calculator, Element image library, Bohr model visualizations, Home screen widgets

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ION, 1 month | $1.99 | per month |
| ION, 3 Months | $3.99 | per 3 months |
| ION, 6 months | $5.99 | per 6 months |
| ION, 1 year | $9.99 | per year |
| Export Data | $0.99 | one-time |
| Bohr Models | $1.99 | one-time |
| Advanced Sorting | $2.99 | one-time |
| Visual Elements | $3.99 | one-time |
| Advanced Tools | $4.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive interface
- 📚 Comprehensive element information and data
- 🎨 Beautiful, clean, and visually appealing design
- 🔗 Helpful Wikipedia and external resource links
- 📖 Excellent for educational purposes and studying

**What reviewers complain about**

- 💰 Expensive subscription model for premium features
- 🔐 Paywall blocking key features and element images
- 📺 Intrusive ads and purchase prompts on startup
- 🎨 Poor color contrast on metalloid background text
- 📱 Crashes on older devices (iPhone 6G iPod Touch, iPhone XS Max)

**Reported bugs**

- App crashes on startup and when tapping elements
- Crashes on older iOS devices and iPod Touch
- Molar mass not visible in iPhone landscape orientation
- Intrusive purchase prompt that's difficult to dismiss
- Rating request spam appearing too early in user experience

**Requested features**

- Element images and visual representations
- One-time purchase option instead of subscription
- Zoom out to view entire periodic table at once
- Better display of molar mass on iPhone in landscape mode
- More detailed information and content


## Frequently asked questions

### Is EMD PTE free?

EMD PTE is free to download, with no in-app purchases.

### Is Elementium free?

Elementium is free to download, with in-app purchases available.

### Which has better reviews, EMD PTE or Elementium?

EMD PTE is rated higher. EMD PTE averages 4.7 out of 5 from 121 ratings, while Elementium averages 4.6 from 576 ratings.

### Do EMD PTE or Elementium have ads?

Neither EMD PTE nor Elementium shows ads.

### Which is updated more often, EMD PTE or Elementium?

EMD PTE ships an update every 8 months, and Elementium every 3 weeks. Most recently, EMD PTE was updated on September 29, 2026 and Elementium on September 29, 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.*