Comparison

Periodic Table vs StudyGuides.com

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

Head to head
About

Periodic Table

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Periodica brings the periodic table to life, making chemistry accessible, intuitive, and engaging for students, educators, and enthusiasts alike. Built with simplicity and user privacy in mind, Periodica provides detailed, accurate information about every element, interactive tools, and powerful search capabilities — all in a beautifully designed, ad-free environment. Periodica Features: Advanced Chemistry Calculator: • Master chemistry calculations with our advanced calculator. Get detailed step-by-step explanations for: • Equation Balancing: Easily balance chemical equations with detailed guidance at every step. • Molar Mass Calculations: Clearly see each step involved in determining molar masses. Detailed Element Information: • Access detailed element profiles with interactive Bohr diagrams, atomic properties, electron configurations, isotopes, compounds, and more — all neatly organized. Interactive Exploration: • Effortlessly navigate and visualize element relationships and chemical properties. Personalized Experience: • Save favorites and customize your learning journey. Privacy First: • Periodica respects your privacy — no accounts, no tracking, no ads. Your data never leaves your device. Stay Connected: Website: https://www.periodica.io Instagram: @periodica.io Threads: @periodica.io TikTok: @periodica.io X: @PeriodicaApp Policies: Terms of Service: https://periodica.io/policies/terms Privacy Policy: https://periodica.io/policies/privacy Contact & Feedback: For support, suggestions, or feedback, reach us at support@periodica.io. Explore chemistry your way — private, powerful, and distraction-free with Periodica.

About

StudyGuides.com

Master any subject with personalized study tools. Prepare for academic exams and professional certifications with in-depth guides, flashcards, practice questions, and simulated exams. Adapt your learning style to study smarter and pass with confidence.

Highlights
  • Detailed study guides
  • Interactive flashcards
  • Practice questions
  • Survival mode challenges
  • Simulated exams
  • Personalized study tools
Features
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Master any subject with personalized study tools built for students and professionals. Whether you’re preparing for high-stakes academic exams or professional certifications, StudyGuides.com gives you everything you need to study smarter, retain more, and pass with confidence. Transform the way you study with StudyGuides.com, your all-in-one prep platform for academic exams and professional certifications. Choose from a massive library of resources designed for every learning style: Detailed Study Guides: In-depth breakdowns tailored to your subject. Interactive Flashcards: Perfect for quick daily reviews and active recall. Practice Questions: Test your knowledge with targeted multiple-choice sets. Survival Mode Challenges: Gamify your review sessions to stay engaged. Simulated Exams: Practice under realistic test-day conditions. Adapt your prep to your learning style and achieve your goals with StudyGuides.com.

Screenshots

Periodic Table4 screens
StudyGuides.com4 screens

Verdict

The call

The clearest difference is in-app purchases: Periodic Table at none against StudyGuides.com's 1. Periodic Table also leads on update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement 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. StudyGuides.com sells 1 in-app purchase, starting at $12.99 per month. Periodic Table asks for nothing beyond the download.

UpkeepUpdate frequency

Periodic Table ships an update every 3 days, StudyGuides.com fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Periodic Table versus StudyGuides.com: the parameters behind the verdict, then further details
ParameterPeriodic TableStudyGuides.com
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size23 MB6 MB
Age rating4+12+
DeveloperHAYDEN D'ERRICOAdvancement Solutions, LLC

In-app purchases

None

Periodic Table

No in-app purchases

1 purchases

StudyGuides.com

Subscriptions1
  • Premium Monthly3 Days trial$12.991 Month

Questions

Is Periodic Table free?
Periodic Table is free to download, with no in-app purchases.
Is StudyGuides.com free?
StudyGuides.com is free to download, with in-app purchases available.
Do Periodic Table or StudyGuides.com have ads?
Neither Periodic Table nor StudyGuides.com shows ads.
Which is updated more often, Periodic Table or StudyGuides.com?
Periodic Table ships an update every 3 days, and StudyGuides.com fortnightly. Most recently, Periodic Table was updated on November 8, 2026 and StudyGuides.com on October 31, 2026.

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