# Konv vs Formula Conversion

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.

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.

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.

## The numbers

| Metric | Konv | Formula Conversion |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 26 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **14.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tatiana Knysh](https://appshunter.io/developer/1431548565) | [Janek Soomets](https://appshunter.io/developer/1315295062) |

## What reviewers say

### Konv

[App page](https://appshunter.io/ios/app/konv/id1431548566)

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:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Your Unit Converter | $0.99 | one-time |


### Formula Conversion

[App page](https://appshunter.io/ios/app/formula-conversion/id1586539965)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Formula Conversion | $3.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*