Comparison

Devatsalya vs Periodic Table Ultimate

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

Head to head
About

Devatsalya

Features
Read full description

Get access to all content on Devina Rao. Access pre-recorded courses, enrol in live workshops, get certified, and a lot more! Be a part of the awesome community that you always wanted to be in!

About

Periodic Table Ultimate

Explore chemistry with an interactive periodic table and 3D atom models. Features offline info cards, augmented reality, and an AI tutor for personalized learning. Customize your study experience with themes and dark mode.

Highlights
  • Interactive Periodic Table
  • Offline element info cards
  • Augmented Reality 3D atom models
  • AI Tutor for explanations
  • Customizable color themes
  • Dark Mode support
  • Atomic spectra and radius visuals
Features
Read full description

Periodic Table Ultimate — learning, made simple Studying chemistry doesn’t have to be confusing or intimidating. Periodic Table Ultimate helps you actually get the elements with a clean, interactive experience built for students. Everything is designed to be clear, visual, and easy to explore, right on your iPhone. Open the app and dive into a smooth, zoomable Periodic Table. Tap any element to see a short, easy-to-read info card that works offline, perfect for quick studying or last-minute reviews. Want to see what atoms really look like? Use Augmented Reality to place 3D atoms right in your space. Rotate them, look closer, and understand their structure in a way textbooks can’t show. You can also explore atomic spectra or compare atomic sizes using simple visual tools. Need extra help? ChemAI is an optional study buddy that can explain concepts, answer questions, and help you work through topics at your own pace. Make the table feel personal. Switch between color styles, group elements by their properties, and use Dark Mode for comfortable late-night studying. Pinch, zoom, and explore however you like. Whether you’re studying for class, preparing for exams, or just curious about how matter works, Periodic Table Ultimate gives you a relaxed, friendly way to learn chemistry. Take it slow. Tap around. Explore. Chemistry is easier when it feels approachable. 〉Features 
• Interactive Periodic Table in modern, classic, and long layouts
 • Offline element info cards
 • Augmented Reality elements and 3D atom models
 • Interactive atomic spectra (NIST data) 
• Atomic radius comparison visuals 
• Custom color themes and property-based grouping 
• Adjustable element data (atomic mass, electron levels, and more) 
• Smooth pinch-to-zoom controls 
• Dark Mode support 
• Fast search by element name or symbol
 • Optional subscription for advanced data and the ChemAI Tutor Terms of Use: http://getchemistry.io/terms-and-conditions/ios/ Privacy policy: http://getchemistry.io/privacy-policy/ios/

Screenshots

Devatsalya4 screens
Periodic Table Ultimate4 screens

Verdict

The call

The clearest difference is update cadence: Periodic Table Ultimate at every 3 days against Devatsalya's every 7 months. On price, ads, 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. Devatsalya sells 1 one-off in-app purchase and Periodic Table Ultimate sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Devatsalya ships an update every 7 months, Periodic Table Ultimate every 3 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 9 level
Devatsalya versus Periodic Table Ultimate: the parameters behind the verdict, then further details
ParameterDevatsalyaPeriodic Table Ultimate
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 7 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size52 MB48 MB
Age rating4+4+
DeveloperTagMango IncDenis Chashchin

In-app purchases

1 purchases

Devatsalya

One-time1
  • Starter Membership$4.99
3 purchases

Periodic Table Ultimate

Subscriptions3
  • ChemAI Tutor3 Days trial$2.991 Month
  • Data3 Days trial$2.991 Month
  • Ultimate3 Days trial$4.991 Month

Questions

Is Devatsalya free?
Devatsalya is free to download, with in-app purchases available.
Is Periodic Table Ultimate free?
Periodic Table Ultimate is free to download, with in-app purchases available.
Do Devatsalya or Periodic Table Ultimate have ads?
Neither Devatsalya nor Periodic Table Ultimate shows ads.
Which is updated more often, Devatsalya or Periodic Table Ultimate?
Devatsalya ships an update every 7 months, and Periodic Table Ultimate every 3 days. Most recently, Devatsalya was updated on October 1, 2026 and Periodic Table Ultimate on September 29, 2026.

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