Comparison

Atomo vs Periodic Table

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

Head to head
About

Atomo

Features
Read full description

[Experience the Most Advanced Periodic Table] 'All Elements' goes beyond a simple chart to provide an innovative chemistry solution for students, teachers, and researchers. It is the only app that allows you to explore up to the 8th period, including theoretical prediction data beyond Oganesson (118). ■ Key Features * Extended Periodic Table: Provides the latest 8th-period layout from Hydrogen (1) to the unknown Unbinilium (120). * Verified Precision Data: Accurate data calibration for atomic weight, electron configuration, melting/boiling points (K), ionization energy, etc. * Relativistic Effects: Professional predictive descriptions of the unusual physical properties and phase changes of superheavy elements. * Over 14 Pro Lab Tools: A massive built-in virtual chemistry lab designed for immediate use in classrooms and labs. - Smart Calculators: Equation Balancer, Stoichiometry Calculator, Ideal Gas Law (PV=nRT), Molar Mass & Molarity, Unit Converter. - 3D & Visualizations: VSEPR 3D Molecular Geometry, Neon Emission Spectra, Electron Configuration Simulation. - Core Databases: Isotope DB, Solubility & Precipitation, Reactivity Series, Ionization/Electronegativity Trends, Scientific Constants. * Optimized Usability: A sophisticated dark mode and a custom chemistry keypad ensure a fast and comfortable learning environment. ■ Global Support This app fully supports 16 languages for users worldwide: English, Español, Français, Deutsch, Italiano, Português, Русский, Türkçe, العربية, हिन्दी, 简体中文, 繁體中文, 日本語, 한국어, Tiếng Việt, Bahasa Indonesia. ■ We Value Your Feedback We listen to our users. If you have any inconveniences, features to improve, data to add, or find any errors, please feel free to provide feedback. Your reviews are the greatest strength in making this app better. Privacy Policy: https://www.moteapps.com/privacy/atomo/privacy.html Terms of Use: https://www.moteapps.com/privacy/atomo/term.html

About

Periodic Table

Features
Read full description

EXPLORE 118 ELEMENTS A visual periodic table with properties, electron shells, history and uses. Search by name, symbol or atomic number, and zoom to explore. LEARN AND CALCULATE 182 reference topics, from basic concepts to organic chemistry. 14 solvers show their steps for balancing reactions, redox, oxidation states, molar mass, amounts of substance, solutions, pH and more. Consult solubility and other reference tables. Practise across 15 topics with feedback and explanations. PERIODIC TABLE PRO • Virtual lab: combine atoms and explore nearly 600 substances with animated molecules, properties, uses and safety information. • On-device AI tutor: ask in your own words. Equations and molar masses are checked with the app's calculation engine. • Scanner: photograph a reaction equation and balance it. • Unlimited practice sessions. The periodic table, element cards, handbook and solvers remain free. 20 LANGUAGES The app uses a supported device language on first launch. You can change it in the app; your choice is saved. Formulas retain their standard direction. Light and dark themes. PRIVACY AND AI REQUIREMENTS No accounts, ads, tracking or analytics. Reference content is available offline after installation. The AI tutor requires a compatible iPhone or iPad with iOS/iPadOS 26 or later, enabled Apple Intelligence and a downloaded model. AI language and region availability depend on the device and system version. Questions are processed on the device. Pro is available as a monthly or yearly subscription with a one-week free trial for eligible new subscribers, or a one-time purchase for lifetime access. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Your Apple ID is charged after the free trial. Manage or cancel in App Store settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ultim8digital.github.io/periodic-table/privacy.html

Screenshots

Atomo4 screens
Periodic Table4 screens

Verdict

The call

The clearest difference is ads: Periodic Table at none against Atomo's shown. Periodic Table also leads on update cadence (every 3 days vs monthly). Atomo's advantage is iOS requirement (13.0 vs 15.0). 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. Atomo sells 1 in-app purchase, starting at $1.99 per year and Periodic Table sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Atomo ships an update monthly, Periodic Table every 3 days. Both last shipped on October 24, 2026.

Scorecard3 real differences · 3 level
Atomo versus Periodic Table: the parameters behind the verdict, then further details
ParameterAtomoPeriodic Table
PriceFreeFree
Update frequencyMonthlyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size33 MB72 MB
Age rating4+4+
DeveloperINHEE KIM18382145061Oleg Korunov

In-app purchases

1 purchases

Atomo

Subscriptions1
  • Premium Pass (1 Year)$1.991 Year
3 purchases

Periodic Table

Subscriptions2
  • Pro — monthly7 Days trial$1.991 Month
  • Pro — yearly7 Days trial$9.991 Year
One-time1
  • Periodic Table Pro$19.99

Questions

Is Atomo free?
Atomo is free to download, with in-app purchases available.
Is Periodic Table free?
Periodic Table is free to download, with in-app purchases available.
Do Atomo or Periodic Table have ads?
Atomo shows ads; Periodic Table does not.
Which is updated more often, Atomo or Periodic Table?
Atomo ships an update monthly, and Periodic Table every 3 days. Most recently, Atomo was updated on October 24, 2026 and Periodic Table on October 24, 2026.

Other comparisons