Comparison

EMD PTE vs EleMend

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EMD PTE

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
Read full description

The EMD PSE App is the ultimate tool for every friend of chemistry – whether pupil or teacher, university student or professor, amateur or expert, hobbyist or technician. Our app is the must-have of digital periodic tables. Get informed with our mobile reference work, any time, with ease, offline and in detail, in the usual straightforward, user-friendly way. Download now free of charge and start experimenting.  New features in the latest version: - Additional translations: Chinese (simplified), Portuguese, and Russian. - Users can now change the language directly in the app - New function for direct comparison of two elements - A separate keypad for the molar mass calculator makes formulas easier to enter - Headline and breadcrumbs added for improved orientation - Filtering option and optimized usability for the ranking list of properties - Update of element master data - Update to current operating system versions - Improved touch support for diagrams - Museum mode All existing features: - All important information about the elements: atomic number, valence electrons, oxidation state, electronegativity according to Allred-Rochow and Pauling, atomic mass, boiling point, melting point, atomic radius, density, history, discoverer, classification, crystalline structure type, electron configuration, ionization energy, isotopic composition, state of matter, hardness according to Mohs, basic state, oxidation numbers, percentage of mass in Earth’s crust, year of discovery, half-life, and much more. - Visualized element properties: atomic radius, atomic radius graphic, electronegativity (according to Allred-Rochow and Pauling), ionization energy, relative atomic mass, state of matter, ranking list of properties, discovery, classifications. - Molar mass calculator: simple entry field for chemical formulas. Calculate molar mass simply and quickly. - Offline use. No Internet needed. All contents in one app.  - Streamlined handling of access rights. - Interactive operation: smart operating elements and numerous selection options. - Variety of languages: German, English, French and Spanish.

About

EleMend

Explore the periodic table with interactive 3D models of elements and their atomic structures. Visualize electron orbitals and observe emission spectra for a deeper understanding of chemical properties and applications.

Highlights
  • 3D element models
  • Interactive atomic structures
  • 3D orbital visualizations
  • Emission spectrum feature
  • Comprehensive element data
  • Targeted element search
Read full description

EleMend Periodic Table app is the ideal tool for individuals with an interest in chemistry, science, and the elements. Sporting a user-friendly interface, the app furnishes an abundance of information about each element, encompassing its properties, historical significance, and practical applications. Among the most captivating features of EleMend is its 3D representation of each element. With a mere few taps, users can immerse themselves in the structure of every atom, gaining insight into the arrangement of electrons, protons, and neutrons through a lifelike and interactive experience. This feature breathes life into the elements, facilitating a clearer comprehension of their behavior and characteristics. This Periodic Table app further augments understanding by offering 3D visualizations of orbitals. This novel perspective enhances users' grasp of electron movement within an atom's nucleus. The three-dimensional presentation of these patterns fosters an intuitive understanding of electron distribution across energy levels, which in turn govern an element's chemical properties. A robust asset within EleMend is the emission spectrum feature. This tool allows users to observe the distinct range of colors emitted by an element when subjected to excitation, such as heat or exposure to an electric field. By scrutinizing these colors, scientists can identify unknown elements and glean insights into diverse substances' behaviors. Additionally, the app encompasses a trove of element-specific data, including atomic weight, melting and boiling points, and other essential particulars. Users can perform targeted searches for specific elements or explore by categories like metals, nonmetals, or noble gases. Each element boasts its own dedicated page, replete with comprehensive information regarding its discovery, historical context, and industrial and everyday applications. Irrespective of whether one is a student, educator, or merely intrigued by the natural world, the EleMend Periodic Table app proves an invaluable resource for delving into the elements and the science underpinning them. Leveraging its 3D models, visualizations, and wealth of insights, the app provides a distinctive and captivating approach to unraveling the universe's fundamental building blocks.

Screenshots

EMD PTE4 screens
EleMend4 screens

Verdict

The call

The clearest difference is ads: EMD PTE at none against EleMend's shown. EMD PTE also leads on monetization model (free vs ad-supported). EleMend's advantage is update cadence (every 5 days vs every 8 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for EMD PTE against 4.6 for EleMend. Both are backed by a comparable volume of ratings — 121 and 59 respectively. Written reviews are what separate them: 90% of EMD PTE's written reviews are positive against 87% of EleMend's.

UpkeepUpdate frequency

EMD PTE ships an update every 8 months, EleMend every 5 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
EMD PTE versus EleMend: the parameters behind the verdict, then further details
ParameterEMD PTEEleMend
PriceFreeFree
Rating4.7 (121 ratings) — better4.6 (59 ratings)
Positive reviews90.5% of reviews — better87.0% of reviews
Number of ratings121 — better59
Update frequencyEvery 8 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size18 MB153 MB
Age rating4+4+
DeveloperMerck KGaA (Darmstadt, Germany)ZipoApps

Customer experience

EMD PTE

All ratings121 ratings
Positive90.9%
Neutral0.8%
Negative8.3%
Written reviews126 reviews
Positive90.5%
Neutral4.0%
Negative5.6%

EleMend

All ratings59 ratings
Positive91.5%
Neutral0.0%
Negative8.5%
Written reviews23 reviews
Positive87.0%
Neutral0.0%
Negative13.0%

Bugs and requests

EMD PTE

Reported bugs

2 issues
  • Incorrect atomic radius data for some elements
  • Glitches when switching between screens

Requested features

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

EleMend

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

EMD PTE

No in-app purchases

None

EleMend

No in-app purchases

Questions

Is EMD PTE free?
EMD PTE is free to download, with no in-app purchases.
Is EleMend free?
EleMend is free to download, with no in-app purchases.
Which has better reviews, EMD PTE or EleMend?
EMD PTE is rated higher. EMD PTE averages 4.7 out of 5 from 121 ratings, while EleMend averages 4.6 from 59 ratings.
Do EMD PTE or EleMend have ads?
EleMend shows ads; EMD PTE does not.
Which is updated more often, EMD PTE or EleMend?
EMD PTE ships an update every 8 months, and EleMend every 5 days. Most recently, EMD PTE was updated on October 5, 2026 and EleMend on October 11, 2026.

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