# Konv vs equivalence principle

The clearest difference is in-app purchases: equivalence principle at none against Konv's 1. Konv's advantage is iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Konv sells 1 one-off in-app purchase. equivalence principle asks for nothing beyond the download.

## The numbers

| Metric | Konv | equivalence principle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/konv/id1431548566/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 0 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tatiana Knysh](https://appshunter.io/developer/1431548565) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## 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 |


### equivalence principle

[App page](https://appshunter.io/ios/app/equivalence-principle/id6670335382)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Konv free?

Konv is free to download, with in-app purchases available.

### Is equivalence principle free?

equivalence principle is free to download, with no in-app purchases.

### Do Konv or equivalence principle have ads?

Neither Konv nor equivalence principle shows ads.

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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.*