Comparison

Periodic Table vs Structural Formulas Study

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

Head to head
About

Periodic Table

Explore the universe's language with this interactive chemistry app. It offers a clear, visual, and fact-based approach to understanding elements, isotopes, and chemical reactions. Ideal for students, educators, and curious minds.

Highlights
  • Interactive Periodic Table
  • Detailed Element Cards
  • 3300+ Isotopes
  • Molar Mass Calculator
  • Chemistry Dictionary
  • Reactions & Equations
  • Solubility Chart & Orbital Models
Features
Read full description

▶ Why should you install this? Chemistry isn’t school torture — it’s the language of the universe. And if you still think chemistry is just boring tables, meaningless equations, and endless memorization, then no one ever really showed it to you the right way. This app makes chemistry clear. Useful. Beautiful. No boring lectures. No confusing terms. No ads. Just facts, visuals, and respect for your time. ▶ Who is it for? For students — to understand, not just memorize. For university learners — to save time and stress. For teachers — to keep everything essential within reach. For chemists — to stop dealing with outdated, clunky websites. For anyone curious about how the world really works. ▶ Why you’ll love it • Interactive Periodic Table — flexible layout, filters, and color themes.
• Detailed Element Cards — from atomic data to symmetry and radioactivity.
• 3300+ Isotopes — searchable, filterable, and presented clearly.
• Molar Mass Calculator — handles even the most complex formulas.
• Chemistry Dictionary — short, precise, human-readable definitions.
• Reactions & Equations — with clear conditions and explanations.
• Favorites, notes, and comparison tools to organize your knowledge.
• Solubility chart, orbital models, graphs, and visual symmetry tools. Everything you need — from the classroom to the lab. Chemistry isn’t a dry science — it’s the language of matter. And now, that language fits in your pocket — complete with all the glossaries and data about our universe.

About

Structural Formulas Study

Explore and study over 100 molecular structures with detailed properties and clear diagrams. This app offers quick search and filtering for efficient exam preparation and daily learning, with offline access available.

Highlights
  • 100+ molecular structures
  • Detailed structural formulas
  • Essential chemical properties
  • Quick search and filters
  • Offline access
  • Exam preparation tool
Features
Read full description

Learn chemistry the easy way. Explore, search, and filter over 100 molecular structures with clear diagrams and essential data — perfect for exam prep or daily study. Features - 100+ molecules - Structural formulas with detailed properties (mass, density, pKa, etc.) - Quick search & category filters - Offline access – no internet required - Ideal for high school & college chemistry students Make chemistry study simple, efficient, and always at your fingertips!

Screenshots

Periodic Table4 screens
Structural Formulas Study4 screens

Verdict

The call

The clearest difference is in-app purchases: Structural Formulas Study at none against Periodic Table's 11. Structural Formulas Study also leads on rating (5.0 vs 4.8). Periodic Table's advantage is update cadence (every 6 days vs every 5 weeks) and ratings volume (5.4K vs 1). On price, ads 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. Periodic Table sells 9 in-app purchases, starting at $0.99 per month. Structural Formulas Study asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Structural Formulas Study holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Periodic Table has 5.4K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Periodic Table ships an update every 6 days, Structural Formulas Study every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Periodic Table versus Structural Formulas Study: the parameters behind the verdict, then further details
ParameterPeriodic TableStructural Formulas Study
PriceFreeFree
Rating4.8 (5.4K ratings)5.0 (1 ratings) — better
Positive reviews88.2% of reviews—
Number of ratings5.4K — better1
Update frequencyEvery 6 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.1 — better18.4
Further details — not scored
Size152 MB5 MB
Age rating4+4+
DeveloperNikita ChernykhJun Yamabe

Customer experience

Periodic Table

All ratings5,399 ratings
Positive95.6%
Neutral2.0%
Negative2.4%
Written reviews559 reviews
Positive88.2%
Neutral4.8%
Negative7.0%

Structural Formulas Study

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Periodic Table

Reported bugs

2 issues
  • Widget shows incorrect element positions
  • Electron configuration information missing for some elements

Requested features

5 requests
  • Add Arabic language support
  • Improve search functionality
  • Allow full periodic table view
  • Add pronunciation for element names
  • Include more physical constants and data

Structural Formulas Study

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Periodic Table

Subscriptions6
  • Professional: 1 Month$0.991 Month
  • Professional: 6 Months2 variants$3.996 Months
  • Professional: 6 Months7 Days trial$3.996 Months
Show 3 more
  • Professional: 1 Year2 variants$6.991 Year
  • Professional: 1 Year7 Days trial$6.991 Year
  • Professional: 1 Year$14.991 Year
One-time3
  • Professional: Unlimited$14.99
  • Professional: Unlimited$24.99
  • Professional: Unlimited$59.99
None

Structural Formulas Study

No in-app purchases

Questions

Is Periodic Table free?
Periodic Table is free to download, with in-app purchases available.
Is Structural Formulas Study free?
Structural Formulas Study is free to download, with no in-app purchases.
Which has better reviews, Periodic Table or Structural Formulas Study?
Structural Formulas Study is rated higher. Periodic Table averages 4.8 out of 5 from 5.4K ratings, while Structural Formulas Study averages 5.0 from 1 ratings.
Do Periodic Table or Structural Formulas Study have ads?
Neither Periodic Table nor Structural Formulas Study shows ads.
Which is updated more often, Periodic Table or Structural Formulas Study?
Periodic Table ships an update every 6 days, and Structural Formulas Study every 5 weeks. Most recently, Periodic Table was updated on October 25, 2026 and Structural Formulas Study on October 24, 2026.

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