Comparison

Visual Periodic Table Chemie vs StackJunior

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

Head to head
About

Visual Periodic Table Chemie

Access comprehensive data on all chemical elements, including atomic properties and molecular formulas. This tool features a detailed periodic table and reaction calculators to aid in chemistry studies and professional work.

Highlights
  • Element information lookup
  • Detailed periodic table
  • Molecular formula data
  • Crystal structure details
  • Electron energy levels
  • Chemical reaction calculators
Features
Read full description

This app allows you to quickly access information on all elements, including atomic number, atomic weight, boiling point, density, and more. You can also use it to find information on element molecular formulas, crystal structures, and electron energy levels. In addition, the app provides a detailed periodic table of elements to help you better understand the characteristics and relationships of the elements. It also offers various chemical reaction calculators to make your studies and work more efficient. Overall, the Chemical Element Lookup app for Apple devices is a very useful tool for both chemistry enthusiasts and professionals. Download and start using it now! Feedback email: proxima.centauri0@gmail.com

About

StackJunior

Features
Read full description

Where kids don't just use AI - they train it. StackJunior is the AI education platform built for curious minds ages 7+. Through immersive game worlds, kids collect training data, build real machine learning models, and watch their AIs compete on the global leaderboard. Real AI. Real projects. Real learning - without the screen-time guilt. This isn't another "chat with a bot" app. StackJunior turns kids into AI creators. WHAT KIDS DO • Play themed game worlds - runner, battle, builder, and explorer • Train real machine learning models using their own gameplay data • Compete head-to-head in the AI Battle Arena • Rise up the global leaderboard alongside classmates worldwide • Drag-and-drop their own AI apps in the AI App Builder • Follow structured AI courses paced for their age group WHAT KIDS LEARN • Foundations of machine learning - image classification, training, evaluation • Why data quality matters ("garbage in, garbage out") and how to collect good data • How AI actually makes decisions - no magic, no mystery • Hands-on project work - building image classifiers, scanners, and smart assistants • Critical thinking about AI: what it can do, what it can't, and how to use it well BUILT FOR PARENTS • Parent Dashboard - full visibility into what your child is learning and creating • Multi-child accounts in one place • "Log in as Ward" - see exactly the experience your child sees • Designed for child safety: no third-party advertising, no open chat with strangers, kids' privacy first • Age-appropriate progression for ages 7 through 16 USED BY SCHOOLS StackJunior is taught in classrooms around the world as part of school AI curricula. Student access is arranged through your school - there's nothing to buy inside the app. WHY IT'S DIFFERENT Most "kids and AI" apps hand children a chatbot. StackJunior flips the script: kids are the creators. They gather data, train models, and watch their AI compete. They don't just get better at using AI - they understand how it works. Where AI creators are made, not consumers. Designed for ages 7+. Built with children's privacy in mind. No third-party advertising. No open chat with strangers.

Screenshots

Visual Periodic Table Chemie4 screens
StackJunior4 screens

Verdict

The call

The clearest difference is price: StackJunior at Free against Visual Periodic Table Chemie's $1.99. Visual Periodic Table Chemie's advantage is iOS requirement (11.0 vs 15.0). 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

StackJunior is free to download; Visual Periodic Table Chemie costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Visual Periodic Table Chemie versus StackJunior: the parameters behind the verdict, then further details
ParameterVisual Periodic Table ChemieStackJunior
Price$1.99Free — better
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size184 MB249 MB
Age rating4+4+
Developer博 彭Stack Junior FZC LLC

In-app purchases

None

Visual Periodic Table Chemie

No in-app purchases

None

StackJunior

No in-app purchases

Questions

Is Visual Periodic Table Chemie free?
Visual Periodic Table Chemie costs $1.99, with no in-app purchases.
Is StackJunior free?
StackJunior is free to download, with no in-app purchases.
Do Visual Periodic Table Chemie or StackJunior have ads?
Neither Visual Periodic Table Chemie nor StackJunior shows ads.

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