Comparison

Periodic Table of Elements+ vs Kora

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

Head to head
About

Periodic Table of Elements+

This educational app provides a compact Mendeleev's table with extensive chemical element data. It allows users to create molecular formulas, calculate their mass, and access detailed Wikipedia information for each element. Designed for students and chemistry enthusiasts, it offers VoiceOver accessibility and efficient space utilization.

Highlights
  • Mendeleev's table reference
  • Molecular formula composer
  • Molecular mass computation
  • VoiceOver accessibility
  • Links to Wikipedia pages
  • Copyable element information
Features
Read full description

A quick Mendeleïev's table using a little space. Accessible with VoiceOver, it is a useful reference for students and people interested in chemistry. It reports many data related to chemical elements, that you can select and copy. With this app you can create the molecular formula by long pressing the symbols and compute its mass. The app also includes links to the Wikipedia pages of the elements, for extensive information. - Composer for molecular formulas - Computes the molecular mass - Accessible with VoiceOver - Optimized to use a small space - Includes many elements’properties - Allows to copy the element’s information - Link to wikipedia pages for more information

About

Kora

Features
Read full description

Kora is your dedicated academic and campus assistant, tailored for our university! Powered by advanced natural language processing (NLP), Kora helps students and staff navigate academic, social, and campus life with ease. Whether you're searching for course details, managing your schedule, or staying updated on campus events, Kora is here to assist 24/7. Key Features: - Instant Answers: Get detailed responses to questions about courses, schedules, and campus resources. - Personalized Support: Receive tailored recommendations for academics, activities, and student clubs. - Organized Conversations: Access past chats and start new ones with a simple and intuitive interface. - Multilingual Support: Interact in your preferred language for a seamless experience.

Screenshots

Periodic Table of Elements+4 screens
Kora4 screens

Verdict

The call

The clearest difference is ads: Kora at none against Periodic Table of Elements+'s shown. Kora also leads on update cadence (every 3 days vs every 7 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Periodic Table of Elements+ ships an update every 7 months, Kora every 3 days. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Periodic Table of Elements+ versus Kora: the parameters behind the verdict, then further details
ParameterPeriodic Table of Elements+Kora
PriceFreeFree
Rating4.7 (58 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings58 — better—
Update frequencyEvery 7 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better16
Further details — not scored
Size38 MB19 MB
Age rating4+4+
DeveloperSonya MarcarelliIlhan Akbudak

In-app purchases

None

Periodic Table of Elements+

No in-app purchases

None

Kora

No in-app purchases

Questions

Is Periodic Table of Elements+ free?
Periodic Table of Elements+ is free to download, with no in-app purchases.
Is Kora free?
Kora is free to download, with no in-app purchases.
Do Periodic Table of Elements+ or Kora have ads?
Periodic Table of Elements+ shows ads; Kora does not.
Which is updated more often, Periodic Table of Elements+ or Kora?
Periodic Table of Elements+ ships an update every 7 months, and Kora every 3 days. Most recently, Periodic Table of Elements+ was updated on October 21, 2026 and Kora on October 4, 2026.

Other comparisons