Comparison

U.S. Army STARS Elements vs Periodic Table Explorer Pro

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

Periodic Table Explorer Pro

Features
Read full description

The Ultimate Periodic Table—No Wi-Fi Required. Discover the wonders of chemistry with Offline Periodic Table Explorer, the beautifully designed, ad-free app built for students, teachers, and curious minds of all ages. Whether you're studying for an exam, teaching in the classroom, or just love science, this powerful yet simple app puts the entire periodic table right at your fingertips—completely offline. Why You'll Love It Tap & Learn Just tap any element to dive into rich, easy-to-understand details. From atomic number and mass to fun facts, discovery history, and pronunciation—you get it all in one clean interface. Interactive Periodic Table - Explore a full-color and scrollable periodic table. - Instantly filter by state, category, or group. - Color-coded for quick understanding of each element’s type. Loaded with Knowledge - Learn how elements are used in real life. - Discover who discovered them and when. - Hear each element pronounced correctly with a simple tap. Smart Search & Filters - Search by name, symbol, or atomic number. - Filter by metal types, gases, or other categories. - Compare two elements side-by-side to better understand trends. Study Anytime, Anywhere - No internet needed – works 100% offline. - No ads. No interruptions. Just learning. - Perfect for on-the-go studying or areas with no Wi-Fi. Built for Education Whether you're a high school student, university learner, teacher, or parent, this app was crafted to be your reliable chemistry companion—simple enough for beginners, detailed enough for experts. One-Time Purchase. Lifetime Access. No subscriptions. No hidden fees. Just one payment and the entire app is yours—forever. Perfect For: - Students - Teachers - Science lovers - Parents wanting quality learning tools What You Get: - Fully interactive periodic table - Over 100+ element profiles - Audio pronunciations - Offline access forever - Beautiful dark mode support - Clean, intuitive design with zero ads Download Now Empower your chemistry learning journey today with Offline Periodic Table Explorer—the smartest way to explore the elements, offline.

Screenshots

U.S. Army STARS Elements4 screens
Periodic Table Explorer Pro4 screens

Verdict

The call

The clearest difference is price: U.S. Army STARS Elements at Free against Periodic Table Explorer Pro's $4.99. U.S. Army STARS Elements also leads on iOS requirement (11.0 vs 18.4). On ads, 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

U.S. Army STARS Elements is free to download; Periodic Table Explorer Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
U.S. Army STARS Elements versus Periodic Table Explorer Pro: the parameters behind the verdict, then further details
ParameterU.S. Army STARS ElementsPeriodic Table Explorer Pro
PriceFree — better$4.99
Rating4.6 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 8 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better18.4
Further details — not scored
Size213 MB6 MB
Age rating9+4+
DeveloperArmy Game StudioChatStick Company Limited

In-app purchases

None

U.S. Army STARS Elements

No in-app purchases

None

Periodic Table Explorer Pro

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 Periodic Table Explorer Pro free?
Periodic Table Explorer Pro costs $4.99, with no in-app purchases.
Do U.S. Army STARS Elements or Periodic Table Explorer Pro have ads?
Neither U.S. Army STARS Elements nor Periodic Table Explorer Pro shows ads.

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