Comparison

Impari Period vs Periodic

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

Head to head
About

Impari Period

Features
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Memorize the elements of the periodic table for chemistry with this highly customizable quizzing application. Adjust it to suit your particular learning requirements. Draw questions and answers from one or more of multiple choices, including: * element full chemical name * element symbol * atomic number * periodic table period * periodic table group * element family * valence electrons orbital * element state at room temperature and pressure Select the question pool to include three different types of questions: * single answer selection * multiple choice selection (choose all) * type the answer questions Configure the number of questions and how they are selected: * user set number of random questions (allowing repeats) * user set number of unique, non-repeating questions * ask ALL questions currently matching the selection filters Configure how missed answers are handled with multiple options: * just continue with quiz * repeat missed questions one time * keep repeating missed questions until answered correctly Utilize filters to further limit the questions included and target your individual learning goals. Filters include the capability to combine matches with and/or selected logic - as well as the ability to block specific elements from question selection. Save settings that meet your needs to be used automatically with future use of the application - or reset to the system defaults at will. All of this allows you to configure the app to help you quickly learn element names, symbols, numbers, and properties. It is an ideal study aid for chemistry students who need to memorize various portions of this information.

About

Periodic

Features
Read full description

The PeriodicTableElements is an elegant app that is interactive and fun. Easy to use, easy to understand, simple and effective. It shows the periodic table of elements in variety of ways 1) Classic grid with name that is color coded. You can configure it to look however you like. 2) Visually appealing electron distribution. 3) Visually appealing Lewis dot structure. 4) List that can be sorted based on different element properties like group, period, category etc. These awesome periodic tables can be shared by simple double click anywhere on the table. It is possible to copy the periodic table diagrams as high quality SVG xml. Drag your finger on the periodic table canvas to update elements automatically or tap on an element to see more details. Tap on an element and all the rest of the related elements are highlighted. Details of a selected element is shown in a beautifully drawn animated element. Tap on the animated element and you will see more details that can also be shared. Tapping on the list element will navigate you to a page that shows details of the element. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This is a perfect app if you are a student learning chemistry. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!

Screenshots

Impari Period4 screens
Periodic4 screens

Verdict

The call

The clearest difference is update cadence: Impari Period at fortnightly against Periodic's every 5 weeks. Periodic's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Impari Period costs $1.99 and Periodic $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Impari Period ships an update fortnightly, Periodic every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences ยท 4 level
Impari Period versus Periodic: the parameters behind the verdict, then further details
ParameterImpari PeriodPeriodic
Price$1.99$1.99
Update frequencyFortnightly โ€” betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS16.615.1 โ€” better
Further details โ€” not scored
Size3 MB31 MB
Age rating4+4+
DeveloperDavid OrgemanOm Prakash Chapagain

In-app purchases

None

Impari Period

No in-app purchases

None

Periodic

No in-app purchases

Questions

Is Impari Period free?
Impari Period costs $1.99, with no in-app purchases.
Is Periodic free?
Periodic costs $1.99, with no in-app purchases.
Do Impari Period or Periodic have ads?
Neither Impari Period nor Periodic shows ads.
Which is updated more often, Impari Period or Periodic?
Impari Period ships an update fortnightly, and Periodic every 5 weeks. Most recently, Impari Period was updated on November 3, 2026 and Periodic on November 5, 2026.

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