Comparison

Kalkulators vs Just A Calc

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

Just A Calc

Features
Read full description

This is Just A Calculator, nothing more, nothing less. The calculator will perform addition, subtraction, multiplication, division, percentage calculations, and find the square root. This will allow a maximum 38 digits to the left of the decimal and a maximum of 12 digits to the right of the decimal. This was developed primarily for the iPhone, however it will work on any iOS device.

Screenshots

Kalkulators4 screens
Just A Calc2 screens

Verdict

The call

The clearest difference is in-app purchases: Just A Calc at none against Kalkulators's 1. Just A Calc also leads on iOS requirement (12.0 vs 15.0). Kalkulators's advantage is update cadence (every 9 months vs every 38 months). On price, ads 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. Kalkulators sells 1 one-off in-app purchase. Just A Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Kalkulators ships an update every 9 months, Just A Calc every 38 months. The most recent releases landed on October 8, 2026 and September 26, 2026 respectively.

Scorecard3 real differences · 7 level
Kalkulators versus Just A Calc: the parameters behind the verdict, then further details
ParameterKalkulatorsJust A Calc
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 9 months — betterEvery 38 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size21 MB10 MB
Age rating4+4+
DeveloperiPinsoftTom Doherty

In-app purchases

1 purchases

Kalkulators

One-time1
  • Kalkulators Pro$0.99
None

Just A Calc

No in-app purchases

Questions

Is Kalkulators free?
Kalkulators is free to download, with in-app purchases available.
Is Just A Calc free?
Just A Calc is free to download, with no in-app purchases.
Do Kalkulators or Just A Calc have ads?
Neither Kalkulators nor Just A Calc shows ads.
Which is updated more often, Kalkulators or Just A Calc?
Kalkulators ships an update every 9 months, and Just A Calc every 38 months. Most recently, Kalkulators was updated on October 8, 2026 and Just A Calc on September 26, 2026.

Other comparisons