# Unit Converter Toolbox vs Русские меры

The clearest difference is review sentiment: Русские меры at 100% against Unit Converter Toolbox's 13%. Русские меры also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 months). Unit Converter Toolbox's advantage is in-app purchases (none vs 1). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Русские меры sells 1 one-off in-app purchase. Unit Converter Toolbox asks for nothing beyond the download.

Unit Converter Toolbox ships an update every 3 months, Русские меры every 5 days. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Unit Converter Toolbox | Русские меры |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1638481772/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 12.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 32 MB | 18 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andrej Podlubnyj](https://appshunter.io/developer/583628251) | [Dmitry Kanunnikoff](https://appshunter.io/developer/1449411291) |

## What reviewers say

### Unit Converter Toolbox

[App page](https://appshunter.io/ios/app/unit-converter-toolbox/id583628208)

Easily convert between various units of measurement for mass, temperature, distance, volume, pressure, area, weight, density, and more. This application supports both standard and exotic units, offering a straightforward solution for diverse conversion needs.

**Highlights:** Converts physical quantities, Converts volume units, Converts pressure units, Converts area units, Converts weight units, Converts temperature units, Converts density units, Converts length units

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Русские меры

[App page](https://appshunter.io/ios/app/id1638481772)

This app helps you convert between historical Russian units of measurement and modern units. It's perfect for history buffs and cultural enthusiasts interested in pre-revolutionary Russia.

**Highlights:** Converts historical Russian units, Converts to modern units, Explains historical measurements, Focuses on pre-revolutionary Russia, No usage restrictions

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Чаевые | $0.99 | one-time |


## Frequently asked questions

### Is Unit Converter Toolbox free?

Unit Converter Toolbox is free to download, with no in-app purchases.

### Is Русские меры free?

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

### Do Unit Converter Toolbox or Русские меры have ads?

Unit Converter Toolbox shows ads; Русские меры does not.

### Which is updated more often, Unit Converter Toolbox or Русские меры?

Unit Converter Toolbox ships an update every 3 months, and Русские меры every 5 days. Most recently, Unit Converter Toolbox was updated on October 22, 2026 and Русские меры on October 8, 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.*