U.S. Army STARS Elements vs Stemi Hexapod Upload
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Atom Builder
- SmashBond game
- Interactive Periodic Table
- STARS Challenge quiz
- 3D atom construction
- Bohr's model visualization
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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.
Stemi Hexapod Upload
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Upload code to your STEMI Hexapod using this mobile app! Scan QR code from STEMI platform, select your STEMI Hexapod and wait for magic to happen!
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Verdict
The clearest difference is update cadence: Stemi Hexapod Upload at every 2 weeks against U.S. Army STARS Elements's every 8 months. U.S. Army STARS Elements's advantage is iOS requirement (11.0 vs 13.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
U.S. Army STARS Elements ships an update every 8 months, Stemi Hexapod Upload every 2 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | U.S. Army STARS Elements | Stemi Hexapod Upload |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (19 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 8 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.6 |
| Further details — not scored | ||
| Size | 213 MB | 11 MB |
| Age rating | 9+ | 4+ |
| Developer | Army Game Studio | STEMI d.o.o. |
In-app purchases
U.S. Army STARS Elements
No in-app purchases
Stemi Hexapod Upload
No in-app purchases
Questions
Is U.S. Army STARS Elements free?
Is Stemi Hexapod Upload free?
Do U.S. Army STARS Elements or Stemi Hexapod Upload have ads?
Which is updated more often, U.S. Army STARS Elements or Stemi Hexapod Upload?
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