Comparison

U.S. Army STARS Elements vs Chemical Elements Learning

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

Head to head
About

U.S. Army STARS Elements

Explore the world of chemistry with interactive tools to build atoms, learn chemical bonds, and discover elements. Test your knowledge with engaging challenges designed for students, teachers, and enthusiasts.

Highlights
  • Atom Builder
  • SmashBond game
  • Interactive Periodic Table
  • STARS Challenge quiz
  • 3D atom construction
  • Bohr's model visualization
Features
Read full description

U.S. Army STARS Elements is a fun and exciting way to learn chemistry. Build your own atom, play a game to help you learn about chemical bonds, explore the periodic table, and test your chemistry knowledge. Elements is great for students, teachers, and anyone interested in chemistry. U.S. Army STARS Elements includes... Atom Builder - A simple, powerful tool that let’s you construct and discover atoms. Add and subtract protons, neutrons, and electrons and see, in 3D, what you can create. SmashBond - Use the octet rule to bond elements and score points in SmashBond. Swap elements to make 2, 3, or 4 element bonds, and grab bonuses to get a SMASHBOND. It’s a really fun way to help you become familiar with the octet rule and learn common chemical bonds by their type, symbol, name and Lewis dot diagram. Periodic Table - Use the table to view trends and detailed information about each of the 118 elements. See an interactive Bohr’s model and learn interesting facts about the elements. It’s like a regular periodic table, but interactive and fun. STARS Challenge - When you’re ready to test your knowledge, take the STARS Challenge. You’ll be presented with questions in 3 areas (elements, bonding, and atomic configuration). Can you master them all? No matter what your level of experience with chemistry, U.S. Army STARS Elements makes learning fun. Easy to use lesson plans and teacher guides are available at http://usarmystars.com/lessons to help integrate Elements into the classroom.

About

Chemical Elements Learning

Learn chemical element symbols and atomic numbers with interactive quizzes. Customize quiz settings for effective memorization. Ideal for science and chemistry test preparation.

Highlights
  • List of elements 1-118
  • Element symbol quiz
  • Customizable quiz settings
  • Memorization aid
  • Test preparation tool
Features
Read full description

It is an application for learning chemical element symbols A list of element symbols with atomic numbers from 1 to 118 Let's memorize the element symbol using the element symbol quiz function It is possible to set the name and symbol, the order of questions, the range of questions, etc. Can be used for science, chemistry tests, quizzes, etc.

Screenshots

U.S. Army STARS Elements4 screens
Chemical Elements Learning3 screens

Verdict

The call

The clearest difference is rating: U.S. Army STARS Elements at 4.7 against Chemical Elements Learning's 3.0. U.S. Army STARS Elements also leads on ads (none vs shown) and monetization model (free vs ad-supported). Chemical Elements Learning's advantage is update cadence (every 3 months vs every 8 months). On price, in-app purchases and device support 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

U.S. Army STARS Elements holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: U.S. Army STARS Elements has 18 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

U.S. Army STARS Elements ships an update every 8 months, Chemical Elements Learning every 3 months. The most recent releases landed on September 29, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
U.S. Army STARS Elements versus Chemical Elements Learning: the parameters behind the verdict, then further details
ParameterU.S. Army STARS ElementsChemical Elements Learning
PriceFreeFree
Rating4.7 (18 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings18 — better2
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size213 MB14 MB
Age rating9+4+
DeveloperArmy Game StudioRyouhei Azuma

Customer experience

U.S. Army STARS Elements

All ratings18 ratings
Positive88.9%
Neutral5.6%
Negative5.6%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Chemical Elements Learning

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

U.S. Army STARS Elements

No in-app purchases

None

Chemical Elements Learning

No in-app purchases

Questions

Is U.S. Army STARS Elements free?
U.S. Army STARS Elements is free to download, with no in-app purchases.
Is Chemical Elements Learning free?
Chemical Elements Learning is free to download, with no in-app purchases.
Which has better reviews, U.S. Army STARS Elements or Chemical Elements Learning?
U.S. Army STARS Elements is rated higher. U.S. Army STARS Elements averages 4.7 out of 5 from 18 ratings, while Chemical Elements Learning averages 3.0 from 2 ratings.
Do U.S. Army STARS Elements or Chemical Elements Learning have ads?
Chemical Elements Learning shows ads; U.S. Army STARS Elements does not.
Which is updated more often, U.S. Army STARS Elements or Chemical Elements Learning?
U.S. Army STARS Elements ships an update every 8 months, and Chemical Elements Learning every 3 months. Most recently, U.S. Army STARS Elements was updated on September 29, 2026 and Chemical Elements Learning on September 22, 2026.

Other comparisons