Comparison

Chemicastle 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

Chemicastle

Features
Read full description

In Chemicastle, learning is built right into the gameplay. Combine atoms to form molecules, discover how bond types determine physical and chemical behavior. Educational Focus: - Understand intra- and intermolecular bonds - Explore the structure-property relationship - Practice with the periodic table and element behavior - Visualize abstract chemistry concepts in an interactive world Gameplay Features: - Craft molecules from randomly generated atoms - Defend your castle against monster waves - Manage resources Perfect For: - High school and university students learning chemistry fundamentals - Teachers seeking interactive classroom tools - Science enthusiasts who love puzzles and strategy games

About

Periodic Table

Explore all 118 elements with detailed data, original illustrations, and a spaced-repetition study system. Features include a guided equation balancer, 3D atom view, and molar-mass calculator. This private app works offline and is designed for effective learning.

Highlights
  • All 118 elements with original illustrations
  • Spaced-repetition study system
  • Guided equation balancer
  • 3D atom view
  • Molar-mass calculator
  • Offline functionality
  • Curriculum packs for AP, IB, A-Level, GCSE, MCAT
Features
Read full description

Every element, beautifully made - and a study system that actually makes it stick. Periodic Table: Elements pairs all 118 elements with original illustrations, real numbers, sourced isotope data, emission spectra, and a spaced-repetition study system that schedules each card for the moment you're about to forget it. Includes FSRS flashcards, 109 balance-checked reactions, a guided equation balancer, 3D atom view, macro-to-subatomic dive, and widgets. THE TABLE All 118 elements, each with original cover art, a plain-language story, and sourced data you can trust. Every element page shows where its facts come from. Pinch from the poster view into a data-rich focus grid, explore periodic trends, and search isotopes like c-14, carbon 14, and u235. STUDY THAT STICKS Spaced-repetition decks and flashcards adapt to your recall. Curriculum packs support AP, IB, A-Level, GCSE, and MCAT review. Custom drills and Test Rescue help focus study before an exam. Readiness and mastery tracking stay on your device. TOOLS Use the molar-mass calculator for real formulas, hydrates, and brackets. Explore a 3D atom view, element-of-the-day widgets, and classroom-friendly table tools. PRIVATE BY DESIGN No accounts. No ads. No analytics. No tracking. No cloud. The app works fully offline because the table ships inside the app. Available in 50+ languages. One-time purchase includes all current features. No subscriptions, ads, tracking, accounts, or cloud. Made by Rizk Corsight. Includes three days of full access at no charge. After 72 hours, the app locks until the one-time Full Access unlock is purchased. The access period does not renew or charge automatically; there is no subscription. Reference and study features work offline after download; purchases, restores, and external links may require internet.

Screenshots

Chemicastle2 screens
Periodic Table4 screens

Verdict

The call

The clearest difference is in-app purchases: Chemicastle at none against Periodic Table's 2. Chemicastle also leads on iOS requirement (15.0 vs 17.0). Periodic Table's advantage is update cadence (every 11 days vs every 4 months). 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 2 one-off in-app purchases. Chemicastle asks for nothing beyond the download.

UpkeepUpdate frequency

Chemicastle ships an update every 4 months, Periodic Table every 11 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 6 level
Chemicastle versus Periodic Table: the parameters behind the verdict, then further details
ParameterChemicastlePeriodic Table
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better17.0
Further details — not scored
Size301 MB143 MB
Age rating9+4+
DeveloperHaute ecole pedagogique HEP-BEJUNERizk Corsight, LLC

In-app purchases

None

Chemicastle

No in-app purchases

2 purchases

Periodic Table

One-time2
  • 3-Day TrialFree
  • Full Access Unlock$4.99

Questions

Is Chemicastle free?
Chemicastle 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 Chemicastle or Periodic Table have ads?
Neither Chemicastle nor Periodic Table shows ads.
Which is updated more often, Chemicastle or Periodic Table?
Chemicastle ships an update every 4 months, and Periodic Table every 11 days. Most recently, Chemicastle was updated on October 10, 2026 and Periodic Table on October 1, 2026.

Other comparisons