Comparison

Elementa vs Periodic Table

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

Head to head
About

Elementa

Features
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Elementa is a modern chemistry companion designed for students, teachers, and anyone interested in chemistry. Whether you're studying for an exam, solving homework, or exploring the periodic table, Elementa provides fast access to essential chemical information and practical study tools. Features - Interactive periodic table with detailed information for every element - atomic number, mass, electron configuration, oxidation states, electronegativity, and more - Orbital diagram for each element - Spectrum lines for each element - 3D atomic model for each element - 3D Crystal lattice for each element - Reaction helper - Formula solver - Molar mass calculator - Dilution calculator - pH/pOH calculator - Gas law solver - Unit converter - Study mode: Flash cards - Study mode: Guess the symbol quiz - Study mode: Guess the name quiz - Study mode: Oxidation states quiz Perfect for: - High school students - University students - Chemistry teachers - Science enthusiasts Whether you're learning the basics or reviewing advanced concepts, Elementa helps make chemistry easier to understand.

About

Periodic Table

Features
Read full description

Stop memorizing the periodic table. Start understanding it. Ever struggled to make sense of 118 elements, confusing electron configurations, and endless chemical equations? Periodic Table - Chem AI turns chemistry from memorization into real understanding โ€” with an AI tutor that actually explains the "why" behind every element. INTERACTIVE PERIODIC TABLE โ€” Every element at your fingertips - All 118 elements with detailed properties, isotopes, and compounds - Tap any element for instant atomic data, electron configuration, and history - Color-coded by element category for visual clarity - Filter by state, group, or property CHEMAI โ€” Your personal AI chemistry tutor - Ask anything: "Why can carbon form 4 bonds?" and get clear, step-by-step answers - Snap a photo of your homework and get instant help - Not just answers โ€” real explanations that help you learn - Personalized to your level: beginner to advanced AR ATOM VIEWER โ€” See atoms come alive - Place 3D atom models on your desk with augmented reality - Rotate, zoom, and explore electron orbitals in real space - The perfect way to visualize what textbooks can't show MOLAR MASS CALCULATOR โ€” Instant results - Type any formula (Hโ‚‚SOโ‚„, Cโ‚†Hโ‚โ‚‚Oโ‚†) and get molar mass instantly - Full element breakdown with individual contributions - Custom chemistry keyboard for fast formula input EQUATION BALANCER โ€” Balance in one tap - Enter any unbalanced equation and get the answer immediately - Step-by-step breakdown of the balancing process CHEMISTRY DICTIONARY โ€” 500+ terms explained - Look up any chemistry term with clear, simple definitions - From "electronegativity" to "Le Chatelier's principle" WHY STUDENTS LOVE IT - "I went from C to A in chemistry" โ€” real results - Just tap an element โ€” no complicated setup - AI explains concepts your teacher couldn't - Beautiful, Duolingo-inspired design that makes learning fun - Works offline for core periodic table data Perfect for AP Chemistry, GCSE, IB, MCAT prep, or anyone curious about how the world works at the atomic level. --- SUBSCRIPTION OPTIONS: - Weekly: $4.99/week - Yearly: $19.99/year (Best Value โ€” Save 92%) Free users can explore basic element data. Upgrade to Pro for unlimited ChemAI conversations, AR viewer, full isotope database, and all tools. Payment will be charged to your Apple ID account at the confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. Subscriptions may be managed by the user and auto-renewal may be turned off by going to Account Settings after purchase. Privacy Policy: https://www.aishen.mobi/chem-ai/privacy-policy Terms of Use: https://www.aishen.mobi/chem-ai/terms-of-service

Screenshots

Elementa4 screens
Periodic Table4 screens

Verdict

The call

The clearest difference is in-app purchases: Elementa at none against Periodic Table's 2. Periodic Table's advantage is ads (none vs shown) and iOS requirement (13.0 vs 26.2). On price and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Periodic Table sells 2 in-app purchases, starting at $2.99 per 7 days. Elementa asks for nothing beyond the download.

Scorecard3 real differences ยท 2 level
Elementa versus Periodic Table: the parameters behind the verdict, then further details
ParameterElementaPeriodic Table
PriceFreeFree
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS26.213.0 โ€” better
Further details โ€” not scored
Size10 MB228 MB
Age rating4+4+
DeveloperRainbow 123hongmei shen

In-app purchases

None

Elementa

No in-app purchases

2 purchases

Periodic Table

Subscriptions2
  • Premium Weekly3 Days trial$2.997 Days
  • Premium Annual$29.991 Year

Questions

Is Elementa free?
Elementa is free to download, with no in-app purchases.
Is Periodic Table free?
Periodic Table is free to download, with in-app purchases available.
Do Elementa or Periodic Table have ads?
Elementa shows ads; Periodic Table does not.

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