Comparison

Caar vs Periodic

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

Head to head
About

Caar

A full-screen coloring app for toddlers. It offers a blank canvas and a simple color palette, allowing young children to freely express their creativity without any boundaries. Keep your walls and furniture safe from artistic endeavors.

Highlights
  • Full-screen coloring canvas
  • Simple color palette
  • No lines to stay within
  • Designed for toddlers
  • Safe for furniture
Features
Read full description

A simple full-screen coloring application designed for my 1-year-old daughter. There are no lines to stay within, just a simple palette of colors and a blank canvas to color (she pronounces as 'caar') upon. Walls, floors and toys can now be safe from your toddler's artistic tendencies.

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

Caar1 screens
Periodic4 screens

Verdict

The call

The clearest difference is ads: Caar at none against Periodic's shown. Periodic's advantage is update cadence (every 5 weeks vs every 8 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

Caar ships an update every 8 months, Periodic every 5 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Caar versus Periodic: the parameters behind the verdict, then further details
ParameterCaarPeriodic
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size2 MB35 MB
Age rating4+4+
DeveloperzenwheelOm Prakash Chapagain

In-app purchases

None

Caar

No in-app purchases

None

Periodic

No in-app purchases

Questions

Is Caar free?
Caar is free to download, with no in-app purchases.
Is Periodic free?
Periodic is free to download, with no in-app purchases.
Do Caar or Periodic have ads?
Periodic shows ads; Caar does not.
Which is updated more often, Caar or Periodic?
Caar ships an update every 8 months, and Periodic every 5 weeks. Most recently, Caar was updated on November 1, 2026 and Periodic on October 25, 2026.

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