Comparison

Chemistry. Periodic table. AI vs PopStudy

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

Head to head
About

Chemistry. Periodic table. AI

Explore an interactive periodic table with 3D models and AI-powered explanations. Solve chemical reactions, calculate molar mass, and access a comprehensive reference. Features AR and home screen widgets for enhanced learning.

Highlights
  • Interactive Periodic Table with 3D models
  • AI-powered chemistry tutor (ChemAI)
  • Chemical reaction solver
  • Molar mass calculator
  • Augmented Reality (AR) elements
  • Home screen widgets
Features
Read full description

Explore the interactive Periodic Table like never before with Chemistry – your ultimate learning companion. Enjoy a comprehensive reference, periodic table with 3D models of chemical elements, reaction solver, molar mass calculator and more. Perfect for students and professionals. Try it now! Chemistry: Your Ultimate Learning Companion Why Download Chemistry? + Interactive customizable Periodic Table with 3D models and offline access + Learn smarter, not harder – get instant explanations from an AI built specifically for teaching chemistry + Solve chemical equations effortlessly with our advanced solver and ChemAI analyzer + Comprehensive chemical reference at your fingertips + Enhance learning with Augmented Reality (AR) and widgets + Ideal for students and professionals alike Key Features: [ Widgets ] Add widgets with chemical elements to your home screen – memorize useful information subconsciously. [ Ultimate Periodic Table ] Convenient interactive Periodic Table with search, customization, and offline information about all chemical elements. Tap on an element to view detailed reference information. Choose between modern or classic table styles, with customizable parameters and coloring. Memorize chemical elements subconsciously using home screen widgets. Place one or multiple widgets and occasionally view information about chemical elements: atomic number, position in the Periodic Table, photos of chemical substances, and discovery dates. [ ChemAI Tutor ] Discover a fresh approach to learning chemistry with ChemAI Tutor, an innovative AI-powered tutor that simplifies complex chemical concepts and offers personalized guidance. ChemAI makes it easy to explore intricate topics with clear explanations and interactive support, all tailored to your learning pace. Whether you're a student or a lifelong learner, our AI-driven tutor provides a friendly, engaging, and effective way to enhance your understanding of chemistry. Embrace the future of education with ChemAI Tutor and transform your study sessions into a rewarding learning experience. [ Reaction Search ] Find chemical reaction equations, even if the left or right part is unknown. Supports both organic and inorganic chemistry. Results are displayed in usual and ionic forms, with organic chemistry formulas drawn out. [ Molar Mass Calculator ] Enter the correct chemical compound, and the calculator will show molar masses and percentage compositions of elements in the given chemical substance. [ Solubility Table ] Always have the solubility table at hand to understand which reactions occur and which do not. No need to open a textbook to find the information you need. The Best Chemical Equation Solver for iPhone, iPad, and Apple Vision Pro + Periodic Table – in modern or classic style, with customizable parameters and coloring + Chemical elements in augmented reality and 3D + Atoms in Augmented Reality (AR) + Solubility Table + Chemical Reaction Search + Offline access to information about chemical elements + Molar Mass Calculator for chemical substances + Electronegativity Series of elements + Molecular Weights of organic substances + Electrochemical Series of metal activity + Acid Strength Series + List of acids and acidic residues + Standard Electrode Potential + Widgets for easy memorization of chemical elements from the Periodic Table + Standard Reduction Potentials at 25°C + Polyatomic ions + Atom radius diagram + Spectroscopy: interactive atomic spectra data – strong levels from NIST + Display electronegativity and boiling temperature right in the periodic table + All these tables and calculators are available in the free Chemistry app. Read more about our terms and conditions here: Terms of Use: http://getchemistry.io/terms-and-conditions/ios/ Privacy policy: http://getchemistry.io/privacy-policy/ios/

About

PopStudy

Master any subject with this educational app utilizing a spaced repetition system. Create custom study mixes, engage in personalized sessions, and track your learning progress. Access curated content and study offline on your devices.

Highlights
  • Spaced repetition system
  • Curated expert content
  • Customizable study mixes
  • Personalized daily sessions
  • Progress tracking
  • Cross-device syncing
  • Offline studying
Features
Read full description

PopStudy — Master Spanish, French, or Chinese Most language apps teach you to dabble. PopStudy is built for learners who want to actually master a language — to read, write, listen, and speak with real fluency. Three languages. Curriculum-grade content. An AI coach that sharpens your skills. How does it work? Have you ever found yourself unwittingly singing the words to a song that's played over and over on the radio? That's spaced repetition at work. Research shows our brains transform repeated information into real knowledge, very quickly. PopStudy uses a scientifically-tuned spaced repetition engine to help you achieve fluency in record time — training you to recognize the nuanced sounds, patterns, and rhythms that are the building blocks of any language. What's inside: - A scientifically-tuned spaced repetition engine that gets vocabulary and grammar to stick — faster than streak-based apps. - An expert-curated library of lessons in Spanish, French, and Chinese, charting a path for everyday learners, plus ACTFL-aligned paths for school programs. - Custom AI lessons on any topic you choose — from job interview prep to vocabulary from your favorite TV shows — generated on demand. - A 24/7 AI coach to answer your questions and target your learning goals. - Listening, reading, speaking, and writing activities — comprehension drills built on native-speaker audio, pronunciation practice with instant feedback, spelling drills, and role-play scenarios. - Daily performance reports that show your strengths and weaknesses, so you always know how far you've come and where you need to go next. - Cross-platform sync across iPhone, iPad, and the web. Pick up where you left off. PopStudy is built for serious learners — students preparing for AP Spanish, AP French, or HSK Chinese exams; professionals working toward fluency; heritage speakers reconnecting with a family language; and anyone ready to go beyond beginner streaks. Have fun speaking your new language with confidence — you'll amaze yourself and the people around you. Download PopStudy and start mastering your language today. PopStudy Premium is an auto-renewable subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://popstudy.com/privacy_policy

Screenshots

Chemistry. Periodic table. AI4 screens
PopStudy4 screens

Verdict

The call

The clearest difference is ads: PopStudy at none against Chemistry. Periodic table. AI's shown. PopStudy also leads on review sentiment (100% vs 84%) and monetization model (ad-supported vs free with in-app purchases). Chemistry. Periodic table. AI's advantage is ratings volume (2.7K vs 9) and device support (6 vs 2). On price, rating, update cadence and in-app purchases 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. Chemistry. Periodic table. AI sells 9 in-app purchases, starting at $1.99 per 7 days and PopStudy sells 9 in-app purchases, starting at $7.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Chemistry. Periodic table. AI against 4.9 for PopStudy. That said, the two scores are not equally well evidenced: Chemistry. Periodic table. AI has 2.7K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 84% of Chemistry. Periodic table. AI's written reviews are positive against 100% of PopStudy's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
Chemistry. Periodic table. AI versus PopStudy: the parameters behind the verdict, then further details
ParameterChemistry. Periodic table. AIPopStudy
PriceFreeFree
Rating4.9 (2.7K ratings)4.9 (9 ratings)
Positive reviews84.3% of reviews100.0% of reviews — better
Number of ratings2.7K — better9
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod, Apple TV, Apple Watch, Vision Pro — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size71 MB152 MB
Age rating4+4+
DeveloperDenis ChashchinLongtail Studios

Customer experience

Chemistry. Periodic table. AI

All ratings2,747 ratings
Positive97.1%
Neutral0.8%
Negative2.1%
Written reviews153 reviews
Positive84.3%
Neutral5.2%
Negative10.5%

PopStudy

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Chemistry. Periodic table. AI

Reported bugs

2 issues
  • Crashes or freezes when opening certain sections
  • Search function not working as expected for some elements

Requested features

4 requests
  • Add electronegativity values to periodic table
  • Improve chemical equation balancing functionality
  • Implement a dark mode option
  • Highlight/compare elements on periodic table

PopStudy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Chemistry. Periodic table. AI

Subscriptions5
  • Chemistry Pro$1.997 Days
  • Chemistry Pro3 Days trial4 variants$2.991 Year
  • Chemistry Pro$2.993 Months
Show 2 more
  • ChemAI Tutor3 Days trial$2.991 Month
  • Chemistry Pro3 Days trial$3.993 Months
One-time4
  • Chemical Elements Info$7.99
  • Chemistry Pro$12.99
  • Chemistry Pro$17.49
Show 1 more
  • Chemistry Pro$34.99
9 purchases

PopStudy

Subscriptions6
  • Student Monthly7 Days trial$7.491 Month
  • Personal Monthly7 Days trial$14.991 Month
  • Family Monthly7 Days trial$19.991 Month
Show 3 more
  • Student Yearly7 Days trial$47.901 Year
  • Personal Yearly7 Days trial$95.901 Year
  • Family Yearly7 Days trial$167.991 Year
One-time3
  • 1-Month Subscription$7.99
  • 3-Month Subscription$19.99
  • 1-Year Subscription$59.99

Questions

Is Chemistry. Periodic table. AI free?
Chemistry. Periodic table. AI is free to download, with in-app purchases available.
Is PopStudy free?
PopStudy is free to download, with in-app purchases available.
Which has better reviews, Chemistry. Periodic table. AI or PopStudy?
Chemistry. Periodic table. AI and PopStudy are both rated 4.9 out of 5 on the App Store, from 2.7K and 9 ratings respectively.
Do Chemistry. Periodic table. AI or PopStudy have ads?
Chemistry. Periodic table. AI shows ads; PopStudy does not.
Which is updated more often, Chemistry. Periodic table. AI or PopStudy?
Chemistry. Periodic table. AI ships an update fortnightly, and PopStudy fortnightly. Most recently, Chemistry. Periodic table. AI was updated on October 30, 2026 and PopStudy on October 29, 2026.

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