Comparison

Kalkulators vs kong calculator

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

Head to head
About

Kalkulators

This app allows for complex calculations using numbers, operators, and variables. It offers multiple calculator instances and theme customization. Advanced mathematical functions and extended limits are available via in-app purchase.

Highlights
  • Expression input with operators and parentheses
  • Real-time calculation as you type
  • Variable support for dynamic calculations
  • Multiple calculator instances
  • Customizable themes (light/dark)
  • User-defined precision
Features
Read full description

Kalkulators = expression calculators. Examples: 1 + 2 + (5 - 2.345) 22.0 / 7 * (a +b) Features: - Expression: use numbers, parenthesis, operators: + - * / - No need for an "=" button. Calculates as you type. - Mathematical functions (with inApp purchase) - Variables: use them in the expression. Useful for example, to change the values without editing the expression - iPhone: "Basic" mode for quick calculations (no variables) - Multiple Kalkulators - Duplicate Kalkulator: easily compare results by using different values in an expression/variables - Preferences: theme (light/dark), precision, thousands separator With Kalkulators you will never need to write down those intermediate results. Buy the Pro version from the in-App store to unlock it's full potential. Buy it once and unlock both the iPad and iPhone Pro features. Note that Kalkulators is an iPad and iPhone app. Here are the differences • iPad: - Albums: let's you organize your formulas (maximum 5) - Formulas: let's you store your formulas (maximum 3/album) - Kalkulators: open many kalkulators at the same time (maximum 2) - Kalkulators variables: reference them in your formulas for quicker, more convenient calculations (2 variables) • iPhone: - Formulas: let's you store your formulas (maximum 2) - Kalkulators variables: reference them in your formulas for quicker, more convenient calculations (1 variable) • iPad and iPhone: - Duplicate Kalkulators - Two themes: light and dark - User defined precision (decimals) With the in-App purchase, this is what you get: • iPad: - Albums: maximum 100 - Formulas: maximum 100/album, no limit on the expression length - Kalkulators: maximum 20 - Kalkulators variables: 10 variables - Scientific keyboard with trigonometric and math functions • iPhone: - Formulas: maximum 100, no limit on the expression length - Kalkulators variables: 3 variables - Scientific keyboard with trigonometric and math functions

About

kong calculator

Features
Read full description

It is a simple calculator that provides a calculation history function.

Screenshots

Kalkulators4 screens
kong calculator2 screens

Verdict

The call

The clearest difference is in-app purchases: kong calculator at none against Kalkulators's 1. kong calculator also leads on update cadence (every 4 days vs every 9 months). Kalkulators's advantage is ads (none vs shown). On price, 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. Kalkulators sells 1 one-off in-app purchase. kong calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Kalkulators ships an update every 9 months, kong calculator every 4 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Kalkulators versus kong calculator: the parameters behind the verdict, then further details
ParameterKalkulatorskong calculator
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size21 MB20 MB
Age rating4+4+
DeveloperiPinsoftChangyeol Seo

In-app purchases

1 purchases

Kalkulators

One-time1
  • Kalkulators Pro$0.99
None

kong calculator

No in-app purchases

Questions

Is Kalkulators free?
Kalkulators is free to download, with in-app purchases available.
Is kong calculator free?
kong calculator is free to download, with no in-app purchases.
Do Kalkulators or kong calculator have ads?
kong calculator shows ads; Kalkulators does not.
Which is updated more often, Kalkulators or kong calculator?
Kalkulators ships an update every 9 months, and kong calculator every 4 days. Most recently, Kalkulators was updated on November 1, 2026 and kong calculator on November 3, 2026.

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