Comparison

Konv vs Formula Conversion

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

Head to head
About

Konv

This app offers fast and simple conversions for units and currencies across 13 essential categories. It includes quick presets for common conversions and currency exchange rates with online updates and offline capabilities.

Highlights
  • Unit and currency conversion
  • 13 essential categories
  • Quick presets
  • Online currency updates
  • Offline currency mode
Features
Read full description

Your everyday converter for units and currency - fast, clean, and easy to use. โ€ข 13 essential categories for daily life, travel, cooking, and work โ€ข Quick presets for popular conversions โ€ข Currency conversion with online updates and offline mode (last saved rates)

About

Formula Conversion

Features
Read full description

It is a formula conversion application. You can print a formula or a modified formula. You can save unmodified formulas to your phone's storage medium and then open it if necessary. Upgrading An application without an upgrade is limited to 24 formula conversions. If you want to convert the formula more than ten times, you must make an in-app purchase. Creating and opening a formula You can open the formula by clicking the first button on the toolbar. You can create a new formula using the symbols, symbols, numbers, and letters on the keyboard. You can change the font size of letters and symbols by pressing the "alp." Or "ALP." And "sym." Or "SYM." Buttons on the toolbar. If you wish, you can delete the characters by pressing the "del." Key. And use the arrows to move between the elements of the formula. Formatting the formula You can format the formula by first selecting the characters you want to change. The selection key is "Sel.", And you can then select by scrolling between the elements of the formula or by pressing the finger on the desired character. You can format the selected formula by pressing the second button on the toolbar from the back. You can change the font, font size, font, and font color Saving and printing the sample You can save the formula by pressing another button on the toolbar. Press the third button on the toolbar to print. If you want to delete the saved formulas, press the fourth button on the toolbar. Converting a formula When the formula is ready, you can publish parts of the formula. To publish part of a formula, select the item with the cursor. Press the fifth button on the toolbar to publish the formula. You can also print the converted formula by clicking the "Print" button. Zoom a formula If you want to increase or decrease the formula, press the third button on the back of the toolbar.

Screenshots

Konv4 screens
Formula Conversion3 screens

Verdict

The call

The clearest difference is update cadence: Konv at every 5 weeks against Formula Conversion's every 26 months. On price, ads, in-app purchases and device support 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

Both are free to download. Konv sells 1 one-off in-app purchase and Formula Conversion sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Konv ships an update every 5 weeks, Formula Conversion every 26 months. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

Scorecard1 real difference ยท 7 level
Konv versus Formula Conversion: the parameters behind the verdict, then further details
ParameterKonvFormula Conversion
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 5 weeks โ€” betterEvery 26 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 โ€” better14.1
Further details โ€” not scored
Size6 MB2 MB
Age rating4+4+
DeveloperTatiana KnyshJanek Soomets

In-app purchases

1 purchases

Konv

One-time1
  • Your Unit Converter$0.99
1 purchases

Formula Conversion

One-time1
  • Upgrade Formula Conversion$3.99

Questions

Is Konv free?
Konv is free to download, with in-app purchases available.
Is Formula Conversion free?
Formula Conversion is free to download, with in-app purchases available.
Do Konv or Formula Conversion have ads?
Neither Konv nor Formula Conversion shows ads.
Which is updated more often, Konv or Formula Conversion?
Konv ships an update every 5 weeks, and Formula Conversion every 26 months. Most recently, Konv was updated on October 13, 2026 and Formula Conversion on September 29, 2026.

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